Full Stack Development is the practice of creating the front end and back end of websites and applications together. This type of code-based process creates websites that are not only efficient, but have rich visuals, interactive features, and specialized user experiences. The developers who specialize in this method are called Full Stack Developers, and they are the experts who create real-world solutions that clients need.

A Full Stack Developer is proficient in both the front-end and back-end of Application Development. They possess a diverse skill set that allows them to design websites and applications with minimal supervision or guidance from clients. These highly skilled individuals can create projects that are complex and specialized yet stay within a client’s budgetary requirements. From graphic design to developing robust databases, Full Stack Developers can handle any development project from start to finish.

Presenting solutions for today’s clients requires more than just an understanding of coding language. Full Stack Developers must be well versed in many languages, including HTML, JavaScript, Python and CSS. These languages allow for the creation of unique webpages, apps, and programs that can integrate into existing systems as well as stand alone as independent solutions.

Here's some projects that our expert Full Stack Developer made real:

  • Creating automated web scraping robots that can search the Internet for topics related to a client’s needs
  • Developing familiar interfaces between intuitive websites used daily
  • Creating engaging mobile applications capable of performing multiple functions seamlessly
  • Designing custom databases tailored to the needs of the client
  • Constructing simple yet sophisticated websites for business owners whose main focus is increasing customer engagement

As you can see, Freelancer.com allows clients to hire Full Stack Developers for a variety of development tasks with ease. The range and breadth of what these developers can do is quite impressive in its own right: from webscraping robots to website creation, they can make almost any project come alive with their code wizardry. So if you know have a project or product idea you think requires Full Stack Development skills – then post it today on Freelancer.com and hire one of our experts to bring it to life!

На підставі 175,139 відгуків клієнтів, рейтинг Full Stack Developers становить 4.9 із 5 зірочок.
Найняти Full Stack Developers

Full Stack Development is the practice of creating the front end and back end of websites and applications together. This type of code-based process creates websites that are not only efficient, but have rich visuals, interactive features, and specialized user experiences. The developers who specialize in this method are called Full Stack Developers, and they are the experts who create real-world solutions that clients need.

A Full Stack Developer is proficient in both the front-end and back-end of Application Development. They possess a diverse skill set that allows them to design websites and applications with minimal supervision or guidance from clients. These highly skilled individuals can create projects that are complex and specialized yet stay within a client’s budgetary requirements. From graphic design to developing robust databases, Full Stack Developers can handle any development project from start to finish.

Presenting solutions for today’s clients requires more than just an understanding of coding language. Full Stack Developers must be well versed in many languages, including HTML, JavaScript, Python and CSS. These languages allow for the creation of unique webpages, apps, and programs that can integrate into existing systems as well as stand alone as independent solutions.

Here's some projects that our expert Full Stack Developer made real:

  • Creating automated web scraping robots that can search the Internet for topics related to a client’s needs
  • Developing familiar interfaces between intuitive websites used daily
  • Creating engaging mobile applications capable of performing multiple functions seamlessly
  • Designing custom databases tailored to the needs of the client
  • Constructing simple yet sophisticated websites for business owners whose main focus is increasing customer engagement

As you can see, Freelancer.com allows clients to hire Full Stack Developers for a variety of development tasks with ease. The range and breadth of what these developers can do is quite impressive in its own right: from webscraping robots to website creation, they can make almost any project come alive with their code wizardry. So if you know have a project or product idea you think requires Full Stack Development skills – then post it today on Freelancer.com and hire one of our experts to bring it to life!

На підставі 175,139 відгуків клієнтів, рейтинг Full Stack Developers становить 4.9 із 5 зірочок.
Найняти Full Stack Developers

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    Статус роботи
    71 знайдені роботи

    I’m looking for a results-driven salesperson who can open doors for my AI consulting and full-stack web development company on a commission-only basis. Your job is simple: identify qualified B2B prospects, pitch our services, and close deals. What I provide • Clear service outlines, pricing tiers, and a founder directly available to support demos or technical deep dives. • Fast turnaround on proposals and technical questions so you can keep conversations moving. What I need from you • Your own lead-generation strategy and contact list, or the ability to build one quickly. • Consistent pipeline updates so we can fine-tune messaging together. • A hunter mindset—payment comes entirely from the commission you earn on every closed contract. ...

    $482 Average bid
    $482 Сер. заявка
    9 заявки
    Full-Stack Developer Needed for CrewUp
    6 дні(-в) left
    Верифіковано

    Summary Full-Stack React/ Developer Needed for CrewUp Marketplace Platform CrewUp is a B2B web marketplace that connects general contractors with subcontractors. The platform helps construction professionals find work, hire qualified crews, manage opportunities, and build dependable business relationships. We are looking for an experienced Full-Stack Developer to continue building the application within our existing codebase and technology stack. Website: Project Details - Fixed budget: $100 total — final budget - Timeline: 7 calendar days total - Engagement: Full-stack development - Stack: React, , Supabase, GitHub, Vercel, Stripe, and third-party APIs Please apply only if you are comfortable with both the fixed budget and 7-day timeline. Before You Apply Please review each...

    $138 Average bid
    $138 Сер. заявка
    121 заявки

    Project Overview I am seeking an experienced full-stack developer or small team to audit, improve, secure, and modernize an existing production website and infrastructure. This is **not a greenfield project**. An existing frontend, backend/API, PostgreSQL database, content, media, forms, administrative functionality, Docker deployment, and VPS environment are already in place. The current website has experienced intermittent outages and loading failures. Based on prior troubleshooting, the likely problem area is a combination of deployment/runtime stability and security rather than a simple frontend bug. Known symptoms/issues include: Website sometimes hangs or times out while Docker containers still appear to be running. Nginx and Docker are functional, but the deployment is not yet ...

    $467 Average bid
    $467 Сер. заявка
    259 заявки
    Construction ERP System Development
    6 дні(-в) left
    Верифіковано

    We are looking for an experienced Full-Stack Developer or development team to build a custom web-based Construction ERP system for a contracting company. The ERP will include Project Management, Tender & BOQ Management, Procurement, RFQ, Supplier Quotations, Purchase Orders, GRN, Inventory, Project Cost Control, Approval Workflows, Document Management, Dashboards, Reports, Multi-Company, Multi-Branch, Roles & Permissions, Arabic/English support, and responsive web access. The system must be production-ready, modular, scalable, secure, API-ready, and fully integrated between modules. We already have a detailed Scope of Work covering technical requirements, milestones, acceptance criteria, source-code ownership, deployment, warranty, and maintenance. Budget: USD 1,500 base develo...

    $1252 Average bid
    $1252 Сер. заявка
    178 заявки
    Mobile Banking Education & Lead-Gen App
    6 дні(-в) left
    Верифіковано

    Financial Literacy & Lead-Generation App — Project Description Overview We are building a mobile-friendly application for a bank that helps everyday users understand insurance products and other financial instruments (savings, investment, and protection products) in a simple, friendly, and multilingual way. The app is educational and lead-focused: users learn about products, get their questions answered by an AI assistant, and can submit an enquiry that is routed to the bank's sales/agent team for follow-up. This is a non-transactional platform — no purchases, payments, or account opening in this phase. Goal Improve financial literacy, present the bank's products in an accessible format, and generate qualified leads — while giving the bank full control to ...

    $3005 Average bid
    $3005 Сер. заявка
    23 заявки
    Hub Website Development
    6 дні(-в) left

    I’m launching an online hub and need a developer who can turn the concept into a full-featured, production-ready site. The platform should welcome entrepreneurs, investors, and mentors alike, so intuitive navigation and a clean, modern UI are critical. Core modules I must see at go-live: • Networking platform – searchable member directory, profile creation, direct messaging, and discussion threads. • Resource library – categorized, filterable repository where I can upload guides, templates, videos, and external links. Granular access control is a plus. • Event management – calendar, RSVPs, ticketing (free and paid), plus the ability to stream or embed virtual sessions. I’d like everything built with scalability in mind, using a mainstrea...

    $414 Average bid
    $414 Сер. заявка
    193 заявки

    Job Title: End-to-End E-commerce Website Development for Hardware Equipment Store Category: Web Development / E-commerce Project Overview: We're looking for an experienced full-stack developer or agency to build a complete e-commerce website for selling hardware equipment (tools, machinery, industrial/construction hardware, etc.). The platform should be fully functional, secure, and ready for real customer transactions from day one. Scope of Work: 1. Core E-commerce Platform Product catalog with categories, subcategories, filters (brand, price, specifications, etc.) Product detail pages with images, descriptions, specs, and stock availability Search functionality with autocomplete/suggestions Shopping cart and wishlist User registration/login (email, phone OTP, and/or social logi...

    $564 Average bid
    $564 Сер. заявка
    45 заявки

    Job Title: End-to-End E-commerce Website Development for Hardware Equipment Store Category: Web Development / E-commerce Project Overview: We're looking for an experienced full-stack developer or agency to build a complete e-commerce website for selling hardware equipment (tools, machinery, industrial/construction hardware, etc.). The platform should be fully functional, secure, and ready for real customer transactions from day one. Scope of Work: 1. Core E-commerce Platform Product catalog with categories, subcategories, filters (brand, price, specifications, etc.) Product detail pages with images, descriptions, specs, and stock availability Search functionality with autocomplete/suggestions Shopping cart and wishlist User registration/login (email, phone OTP, and/or social logi...

    $549 Average bid
    $549 Сер. заявка
    59 заявки

    Project Overview: We are launching ABC Launch (African Business Catalyst Launch), a lightweight entrepreneurship training platform tailored for young entrepreneurs in Nigeria. The core concept is a $5/month membership where users complete 5 core course modules (pillars). We need a skilled WordPress developer to build the Minimum Viable Product (MVP) using reliable, out-of-the-box plugins to keep development fast and cost-effective. - The site will be hosted on Kinsta (Google Cloud) and must be extremely clean, highly optimized for speed, and consume minimal mobile data for users on 3G/4G networks. - Key Features to Implement:Membership & LMS: Set up a system (like MemberPress, LearnDash, or LifterLMS) with a subscription model ($5/month) and 5 sequential course modules. - Gated...

    $2006 Average bid
    $2006 Сер. заявка
    193 заявки
    Desarrollo de dApp 2.5 de Comunicación P2P
    5 дні(-в) left
    Верифіковано

    Solicitud de Propuesta (RFP) / Pliego Técnico Perfil: Ingeniero Senior WebRTC & Web3 Systems / Desarrollador Full-Stack dApp Proyecto: Infraestructura de Audio P2P Cifrada y Capa de Voz Token-Gated para dApp 2.5 Tipo de Contratación: Freelance / Contrato por Hitos (Fase MVP) Metodología: Desarrollo Ágil / Entrega basada en hitos (Milestones) 1. Visión General del Proyecto y Arquitectura Objetivo Buscamos construir una aplicación descentralizada (dApp) en arquitectura Web2.5 que requiere un framework de comunicación de voz peer-to-peer (P2P) en tiempo real basado 100% en internet. El sistema debe omitir completamente el modelo de telefonía tradicional (PSTN/SIP/PBX), reemplazando los números telefónicos convenci...

    $2257 Average bid
    $2257 Сер. заявка
    60 заявки
    Finish Web Management Tool
    5 дні(-в) left
    Верифіковано

    Senior Full-Stack Developer Needed to Complete Existing Web Platform We are looking for an experienced Senior Full-Stack Developer to take over and complete an existing web-based management platform. The project is approximately 75% completed and is already deployed on a development server. Current Technology Stack * Frontend: 14, React, TypeScript * Backend/API: NestJS * Database: PostgreSQL + Prisma * Languages: Arabic & English (RTL/LTR) * Deployment: VPS, PM2, nginx * CI/CD: Automated deployment pipeline * Existing Integrations: * V5L fingerprint/attendance device * WhatsApp * Email * Google Gemini AI for document extraction and letter drafting Current Project Status Approximately 75% of the system has already been developed. We are n...

    $2298 Average bid
    $2298 Сер. заявка
    116 заявки

    We are looking for an experienced Full-Stack Developer/Team to build a scalable CMS-based Voter & Field Organization Management Platform with Android Mobile App, Web Application, Central Admin CMS, Analytics, Election Day Live Monitoring and permission-controlled AI tools. The mobile application will primarily serve users from 100 Voter Incharge up to Mandal Incharge, while the web application will serve Constituency Incharge up to State Incharge. A centralized CMS/Super Admin panel will control organization branding, colors, hierarchy, roles, permissions, master data, modules, dashboards, reports, training content, Election Day controls and AI access. The platform must be configuration-driven rather than hard-coded, allowing the same software to be adapted to different organizations...

    $87 Average bid
    $87 Сер. заявка
    39 заявки
    Replit to Namecheap Web App Migration
    5 дні(-в) left
    Верифіковано

    Migrate Existing Replit Web App to Namecheap Hosting — No Rebuild Budget $10–$50 USD Fixed Price Project Overview I have an existing, functioning website and web application currently developed and hosted through Replit. I need an experienced freelancer to move the existing website/app from Replit to my Namecheap hosting environment and make sure everything continues working correctly after migration. This is NOT a website rebuild, redesign, or new development project. The website and application are already built. The goal is simply to move the existing application away from Replit and get it running properly through my Namecheap hosting/domain infrastructure. Scope of Work The selected freelancer will: 1. Review the existing Replit project and identify the current ...

    $41 Average bid
    $41 Сер. заявка
    149 заявки
    Full stack end to end
    5 дні(-в) left

    # eChampz — Senior Full-Stack Developer (Fiverr brief, v2) > Paste each block into the matching Fiverr field. Notes to Ahmed are in `>` blocks and must be deleted before posting. --- ## ABOUT THE CLIENT The client operates a gaming and esports marketplace serving Saudi Arabia and the wider GCC. The platform connects gamers, talent scouts, studios, teams, and brands. The founder is hiring a senior developer to take technical ownership of the codebase while the founder leads the business. --- ## THE ROLE We need a Senior Full-Stack Developer to take technical ownership of an established React and PostgreSQL platform currently in closed beta and moving toward public launch. This is a six-month engagement structured in three stages: a paid scoped trial, a defined first mile...

    $31 / hr Average bid
    $31 / hr Сер. заявка
    173 заявки

    I need a seasoned full stack developer to help integrate OpenAI APIs into my existing application. The tech stack includes React, , Node, PostgreSQL, and REST APIs. Key Responsibilities: - Frontend Development: Building responsive UIs with React and Next.js. - Backend Development: Setting up and managing Node servers, PostgreSQL databases, and REST APIs. - AI Integration: Seamlessly integrating OpenAI APIs into our system. - QA & UI Testing: Ensuring a bug-free, high-quality user experience. Ideal Skills & Experience: - Proficient in React, , Node, PostgreSQL - Experience with OpenAI API integration - Strong background in QA and UI testing - Excellent problem-solving skills for bug fixing Please include your relevant experience in your application.

    $229 Average bid
    $229 Сер. заявка
    87 заявки
    SaaS Platform: Full-Stack Developer Needed
    4 дні(-в) left
    Верифіковано

    Senior Full-Stack Developer for a Large-Scale SaaS Platform (Long-Term Opportunity) Welcome! Thank you for taking the time to review our project. This is the most important project our company has ever started, and we are looking for an exceptional developer who wants to build something ambitious from the ground up. We are not looking for someone who only completes tasks—we are looking for a long-term technical partner who takes pride in building high-quality software. If you are passionate about creating scalable platforms and solving complex engineering challenges, we would love to hear from you. ⸻ About the Project We are building a modern SaaS platform focused on simplifying and automating complex workflows for mobile application teams. The platform will integrate with se...

    $10 / hr Average bid
    $10 / hr Сер. заявка
    253 заявки

    I need a senior full-stack engineer to join an intensive 10-day sprint to finish and launch Rally, a web-based operating system for college events and nightlife. This is a contractual engagement for 10 days, focused on delivering the MVP. The product and codebase already exist. This is NOT a build from scratch. You will receive the existing repository, detailed product scope, workflows, UI mockups, and launch priorities. The work includes completing and connecting the frontend and backend, authentication and user roles, event creation and management, organization dashboards, ticketing and QR check-in, payments, admin functionality, notifications, database integration, mobile responsiveness, bug fixing, testing, and production deployment. The web platform includes interconnected experien...

    $39 / hr Average bid
    $39 / hr Сер. заявка
    262 заявки

    I need a senior full-stack engineer to join an intensive 10-day sprint to finish and launch Rally, a web-based operating system for college events and nightlife. The product and codebase already exist. This is NOT a build from scratch. You will receive the existing repository, detailed product scope, workflows, UI mockups, and launch priorities. The work includes completing and connecting the frontend and backend, authentication and user roles, event creation and management, organization dashboards, ticketing and QR check-in, payments, admin functionality, notifications, database integration, mobile responsiveness, bug fixing, and production deployment. I need someone who is extremely fast, experienced working inside existing codebases, and comfortable taking ownership without constant ...

    $29 / hr Average bid
    $29 / hr Сер. заявка
    250 заявки
    Gym Website & Cross Platform App
    4 дні(-в) left
    Верифіковано

    I need a full-stack build that covers both a public-facing website under my own domain and a native-feeling app released on iOS and Android. The heart of the project is workout tracking, so the user flow has to make it effortless for members to log sessions and instantly see their progress charts. An in-app exercise library with clear media, cues, and muscle-group tags will back that up, while a personalised workout-plan generator should adapt programs automatically as members hit new milestones. Because the business side can’t be an afterthought, the same code-base (or a tightly integrated companion portal) must let me handle membership management and class scheduling from a single dashboard—think real-time slot availability, push reminders, and simple payment hooks. A consis...

    $652 Average bid
    $652 Сер. заявка
    330 заявки
    Bubble.io App Refinement
    4 дні(-в) left
    Верифіковано

    I am looking for someone comfortable working with and improving an existing Bubble build. I do not want the project unnecessarily rebuilt from scratch. Pause & Plate is a community sensory-accessibility guide designed to help people find places to eat, drink and recharge based on sensory experience, accessibility and dietary needs. The core app structure and visual direction already exist in Bubble. Google Places API is integrated, and several key pages, filters and workflows are partly built. I now need a developer to make the MVP functional, consistent, responsive and ready for user testing. Main work required includes: * Review and tidy the existing Bubble database and workflows where necessary. * Complete search and filtering logic. * Ensure atmosphere options are sin...

    $684 Average bid
    $684 Сер. заявка
    68 заявки
    React-Python App Overhaul
    4 дні(-в) left

    My SaaS platform is live, built with React.js on the front end and Python on the back end, and I’m ready for a full-stack sweep that tackles everything from persistent bugs to fresh feature work. Here’s the current landscape. • Front end: React components need refinement and a few new screens. • Back end: Python services drive our business logic and APIs, but some endpoints require refactoring and tighter security. • Infrastructure: The project is hosted on Vercel; recent deployments exposed timing-sync issues and occasional PDF access failures. • Data: Customer information lives in a Postgres database and must stay accurate, fast, and compliant. Your mission covers three parallel tracks: 1. Bug fixing – squash errors affecting general func...

    $236 Average bid
    $236 Сер. заявка
    92 заявки
    Experienced Developer for Token Ecosystem
    4 дні(-в) left
    Верифіковано

    Project Details Bidding ends in 6 days, 19 hours We are building a large-scale Token Ecosystem and are looking for experienced developers for a long-term collaboration. This is a serious, enterprise-grade project with future opportunities beyond the initial scope. To evaluate your bid, please include live/demo links for relevant work you've built, such as: Blockchain / Smart Contract projects (Etherscan/GitHub) Token, DeFi, or RWA platforms Web applications & admin dashboards iOS / Android apps KYC/AML integrations Proof-of-Reserves or asset-backed solutions Security audit reports (if available) Marketing or launch campaigns (if applicable) Only submit your bid if you can share relevant live work. This is a long-term opportunity with significant future work. If you're c...

    $10 - $30
    Прихований Угода про нерозголошення
    $10 - $30
    11 заявки

    Startup Team Recruitment: Student Knowledge Sharing & Learning Platform Project Title: Building a Student Knowledge Sharing and Learning Community Platform About the Project: We are developing an educational platform where students can share, discover, and exchange learning resources. The platform aims to create a student-centered ecosystem that combines: - Educational resource sharing - Student communities - Knowledge marketplace - Social learning experience Students will be able to upload and share: - Study notes - Exam preparation materials - Subject summaries - Study methods - Educational resources Other students will be able to search, review, comment on, and purchase valuable learning materials. Our goal is to create a platform where students are not only learners but al...

    $612 Average bid
    $612 Сер. заявка
    202 заявки
    Full-Stack Devs, 300+ PRs
    4 дні(-в) left

    I need senior full-stack developers who can prove a substantial open-source record—specifically at least 300 merged pull requests on GitHub under your own name. The work spans web, mobile, and desktop initiatives, so versatility is key. The active tech stack includes JavaScript/TypeScript, Python, Java, .NET, Rust, and Go. Depth in two or more of those languages is mandatory because projects move quickly and switch contexts often. Share your Github repos that has over 300 + PR's and ensure no AI code are used and only human written code is written. Deliverables • Clean, well-tested code merged via GitHub PRs • Concise commit messages and inline documentation • Regular participation in review discussions Acceptance criteria • CI pipelines pass...

    $575 Average bid
    $575 Сер. заявка
    74 заявки

    We are building a large-scale Token Ecosystem and are looking for experienced developers for a long-term collaboration. This is a serious, enterprise-grade project with future opportunities beyond the initial scope. To evaluate your bid, please include live/demo links for relevant work you've built, such as: Blockchain / Smart Contract projects (Etherscan/GitHub) Token, DeFi, or RWA platforms Web applications & admin dashboards iOS / Android apps KYC/AML integrations Proof-of-Reserves or asset-backed solutions Security audit reports (if available) Marketing or launch campaigns (if applicable) Only submit your bid if you can share relevant live work. This is a long-term opportunity with significant future work. If you're confident working with blockchain, Web3, and full-s...

    $594 Average bid
    $594 Сер. заявка
    71 заявки

    We are looking for a skilled Full Stack Developer based in Kerala, India, with 3 to 4 years of experience to help finalize and polish a web application project. The ideal candidate will be responsible for fixing existing UI issues, improving responsiveness, performing end-to-end testing, and ensuring the application operates smoothly across both front-end and back-end components. Key Responsibilities: * Identify and resolve layout, styling, and user interface bugs to deliver a clean, responsive user experience. * Conduct thorough testing across multiple browsers and devices to identify and fix functional issues. * Debug and optimize front-end HTML/CSS/JavaScript and back-end PHP/MySQL logic where required. * Work closely to ensure all workflows and database interactions perform reliably...

    $310 Average bid
    $310 Сер. заявка
    165 заявки
    Social Marketplace Android & Web
    4 дні(-в) left
    Верифіковано

    I’m building an engagement-driven marketplace that feels as easy and addictive as scrolling through Twitter, yet fully focused on buying and selling. The core of the product is a real-time social feed where every post represents an item for sale. Users will be able to list handmade goods, digital products, and second-hand items—essentially anything they wish to move—then have those listings surface in a chronological feed that other users can like, comment on, repost, or purchase from directly. I need a full Android app and a responsive web experience that stay visually in sync and share one backend. Speed and fluidity matter; the feed should refresh instantly, images should lazy-load smoothly, and notifications should land in real time. Think infinite scroll, hashtag or...

    $538 Average bid
    $538 Сер. заявка
    310 заявки

    I’m bringing a few full-stack candidates through the final hiring stage and need a seasoned developer who can step in as an impartial interviewer. Your task is to Interview and also do a coding test that blends practical Java and Spring problems with quick front-end twists (Angular or React) and some database touches in plain SQL. I’m counting on you to: • design or select one cohesive exercise that covers back-end, front-end, and data layers • host a 30-minute live interview, guiding the candidate while observing problem-solving habits • score their solution for correctness, code quality, and architectural thinking, then give concise written feedback within 24 hours I’m looking for someone at a comfortable mid-level of interviewing experience&...

    $2 / hr Average bid
    $2 / hr Сер. заявка
    30 заявки

    Project Title Full-Stack Web Platform for Hotel Management and Reservation System Project Description I am looking for an experienced full-stack developer or development team to build a scalable web platform for the hospitality industry. The project involves developing a modern, secure, and high-performance system that includes: * Multi-vendor architecture. * Hotel management dashboard. * Room management. * Reservation management. * Customer accounts. * Admin dashboard. * Advanced search and filtering. * Online booking workflow. * Payment gateway integration. * Review and rating system. * Notifications (Email/SMS). * Multi-language support (Arabic & English initially). * Responsive design. * REST API for future mobile applications. * High security and scalable architecture. Techn...

    $336 Average bid
    $336 Сер. заявка
    96 заявки

    We are looking for an experienced Lead Architect with strong expertise in Java, Spring Boot, Angular, and enterprise application architecture. The ideal candidate will have extensive experience designing and delivering scalable, secure, and high-performance applications across both backend and frontend technologies. This role requires a hands-on technical leader who can translate business requirements into robust software architecture, guide development teams, define technical standards, and design efficient database models from business requirements and ER diagrams. Experience: 12+ years minimum Key Responsibilities Design end-to-end enterprise software architecture for web applications. Lead backend development using Java, Spring Boot, Spring Security, JPA/Hibernate, and RESTful APIs. ...

    $722 Average bid
    $722 Сер. заявка
    41 заявки

    To position yourself as the ideal candidate for this Business Directory & MLM Portal project, your pitch should directly align your data, engineering, and reporting capabilities with the client’s key requirements: * Data Engineering & Complex Logic Expertise: The project requires a robust multi-level marketing (MLM) workflow featuring accurate, tiered commission tracking and scalable backend architecture. Your expertise in data structures, relational databases, and complex backend logic ensures that downline calculations, commission triggers, and data integrity remain flawless as the network scales. * Advanced Analytics & Custom Business Intelligence: The client explicitly asks for clear sales-reporting tools filterable by date, team, or product, along with data export ...

    $280 Average bid
    $280 Сер. заявка
    89 заявки

    Project Title Full-Stack Web Platform for Hotel Management and Reservation System Project Description I am looking for an experienced full-stack developer or development team to build a scalable web platform for the hospitality industry. The project involves developing a modern, secure, and high-performance system that includes: * Multi-vendor architecture. * Hotel management dashboard. * Room management. * Reservation management. * Customer accounts. * Admin dashboard. * Advanced search and filtering. * Online booking workflow. * Payment gateway integration. * Review and rating system. * Notifications (Email/SMS). * Multi-language support (Arabic & English initially). * Responsive design. * REST API for future mobile applications. * High security and scalable architecture. Techn...

    $1091 Average bid
    $1091 Сер. заявка
    466 заявки

    # Full Stack Developer Required for Restaurant Membership & Loyalty Platform ## Project Overview We are looking for an experienced Full Stack Developer to build a Membership & Loyalty Platform for our restaurant brand. The primary objective of this platform is to sell digital membership plans that provide exclusive discounts, coupons, and special offers to customers. Customers will purchase memberships through our website after arriving via digital marketing campaigns, QR codes, or referrals. All restaurant ordering, table reservations, and other operational services will continue to be handled by our existing website. This project is focused only on membership sales, customer management, and coupon/discount management. --- ## Core Features ### Customer Portal * Membership...

    $1229 Average bid
    $1229 Сер. заявка
    178 заявки

    Please begin your proposal with the words "Heavy Hires" so I know you've read the full job description. Generic AI-generated proposals will be ignored. We're looking for an experienced full-stack developer to help us finish the final stage of our peer-to-peer heavy equipment rental marketplace. The platform is already well developed. This is not a project from scratch. We need someone who can jump into an existing codebase, understand it quickly, finish the remaining features, clean up technical debt, and improve the overall user experience before launch. This isn't a rushed project. We're far more interested in getting things right than getting them done as quickly as possible. We value quality, communication and attention to detail, so we'll need som...

    $439 Average bid
    $439 Сер. заявка
    387 заявки
    Business Development Executive (Freelancer/Upwork Bidder)
    2 дні(-в) left
    Верифіковано

    We are looking for an experienced Business Development Executive (BDE) or Freelancer/Upwork Bidder to help us acquire new software development projects. We specialize in .NET, ASP.NET Core, C#, React, Angular, SQL Server, Azure, Web APIs, and Full Stack Development. Your responsibility will be to identify relevant projects, write compelling proposals, communicate with clients, and help us win projects. Responsibilities * Search for relevant projects on Freelancer.com, Upwork, Guru, and other freelancing platforms. * Analyze project requirements and submit high-quality, personalized proposals. * Communicate professionally with prospective clients. * Follow up with clients and respond to messages promptly. * Negotiate project scope and pricing when required. * Maintain a record of submitte...

    $58 Average bid
    $58 Сер. заявка
    18 заявки
    School Management Web App Development
    2 дні(-в) left
    Верифіковано

    I need a full-stack PHP developer to create a modern, responsive web application that streamlines day-to-day school operations. Core scope • User authentication limited, for now, to an Administrator role. The administrator must be able to manage users (add, edit, delete) and will have full access to every module. • Student management covering enrollment & registration, attendance tracking, and performance/grades. • Teacher, programme, subject, grade, and registration modules that allow easy data search, insert, edit, and delete while enforcing relational integrity in MySQL. • A clean dashboard that surfaces key statistics at a glance. • MySQL database designed with proper primary/foreign keys and integrity constraints. • Front-end built with H...

    $454 Average bid
    $454 Сер. заявка
    167 заявки
    AutoML-Studio
    2 дні(-в) left

    I need an experienced Full Stack AI/ML developer to build a modern, responsive AutoML web application with a professional dashboard. The application should allow users to upload CSV, Excel, and JSON datasets, perform automated data profiling, cleaning, preprocessing, feature engineering, and visualization, and automatically detect whether the problem is classification or regression. It should train and compare multiple machine learning models, recommend improvements such as handling missing values, SMOTE, feature selection, and overfitting reduction, and generate downloadable PDF reports, cleaned datasets, and trained models. The project should include secure Firebase authentication, an intuitive dashboard with interactive charts, cloud deployment, and a scalable architecture using Python ...

    $252 Average bid
    $252 Сер. заявка
    65 заявки

    I want to build a full-stack desktop application that enables pharmacists in my store to manage daily operations from a single, intuitive interface. The core modules I need are: • Inventory management that keeps real-time stock levels, tracks expiry dates, and provides low-stock alerts. • Prescription handling with quick patient lookup, doctor information capture, and automated interaction checks. • Sales reporting that summarises daily and monthly revenue, highlights best-selling medicines, and exports to CSV or PDF. The entire workflow—from receiving a prescription to final sale—has to feel seamless on a desktop computer, so performance and an offline-friendly architecture are important. A clean UI/UX, role-based access, and straightforward installation o...

    $503 Average bid
    $503 Сер. заявка
    170 заявки

    Pharmacy Management System – Full-Stack Web Application I developed a complete Pharmacy Management System designed to help pharmacies efficiently manage their daily operations, inventory, sales, purchases, and financial activities. The system was built as a modern full-stack web application using React for the frontend and ASP.NET Core Web API with C# for the backend, connected to a SQL Server database using Entity Framework Core. Key Features: • Dashboard with pharmacy statistics and business overview • Medicine and product management • Categories management • Inventory and stock management • Expiry date tracking • Low-stock alerts • Supplier management • Purchase management • Sales and Point of Sale (POS) • Customer management &...

    $513 Average bid
    $513 Сер. заявка
    141 заявки
    Full-Stack Web & App Build
    2 дні(-в) left

    I need a single team to take me from concept to launch on both a responsive website and companion mobile apps for iOS and Android. The platform will combine e-commerce transactions, rich informational pages, and community-driven social features, so the architecture must be flexible enough to slot in new modules as we grow. You will handle the full stack: UI/UX design, front-end development, secure back-end with REST/GraphQL APIs, payment gateway integration, basic social functions (profiles, posts, chat), and an admin dashboard that lets me manage products, content, and user reports from one place. I’m open to your preferred tech—whether React / with a Node or Django API, Flutter, React Native, or fully native builds—so long as the final codebase is clean, documented, a...

    $278 Average bid
    $278 Сер. заявка
    130 заявки

    I need a full-stack Android solution for my project, “A.S Task Earner.” The user-facing app should allow regular users to register with their phone number, email, username and password, then sign in through Firebase Authentication. After login they land on a clean green-blue-white dashboard that shows the daily task list. Users earn coins by: • completing in-app activities, • checking in every day, and • referring friends. Inside the app they must also see their wallet balance, submit UPI withdrawal requests, review withdrawal history, view their profile and receive push notifications. A separate web-based admin panel will let me manage everything: create, edit or delete tasks, add or remove user coins, approve or reject withdrawals, send notificatio...

    $109 Average bid
    $109 Сер. заявка
    66 заявки

    I’m building a full-featured, cloud-hosted venue booking and management marketplace and need a seasoned full-stack developer who can own the project end-to-end—from architecture through deployment—within 20–30 days. Preferred stack I lean toward React or on the front end, paired with Node.js (or PHP if you can prove it scales) and either Firebase or MySQL for the data layer. The interface must be fully responsive and coded for future feature growth, with clean, well-documented commits. User roles to support • Admin • Venue Owners • General Users Key modules & functionality • Public marketplace with advanced search and filters • Venue details pages with high-quality media support • Venue owner dashboard featuring bookin...

    $142 Average bid
    $142 Сер. заявка
    124 заявки
    Service booking webapp
    2 дні(-в) left

    Looking for a full stack webapp and website developer for a service booking platform 1. Landing page 3. Category selection 2. Subscription plan according to category 3. Time slot 4. Booking confirmation 5. Sign in (customer details need to full) 6. Payment 7. Booking confirmation 8. Worker assigned 9. Service tracking 10. Service completion photo to be uploaded by worker before and after 11. Rating Also add: chatbot Whatsapp integration Then on management side need worker details also

    $129 Average bid
    $129 Сер. заявка
    117 заявки
    The Build Made Easy
    2 дні(-в) left

    Based on the current architecture discussions and implementation plan, the cleanest developer-facing hierarchy should be: ERA Platform Hierarchy SET 1 — Foundation & Platform Core This is the infrastructure layer used by every other set. 1.1 Identity & Authentication User Registration Login MFA Session Management Account Recovery Subscription-linked Access 1.2 RBAC (Role Based Access Control) Role Templates Custom Roles Permission Matrix Feature Gating Module Access Control 1.3 Organization & Multi-City Hierarchy Organization Branches City Management Workspace Management Team Structure 1.4 Notifications In-App Email SMS WhatsApp Escalations 1.5 Audit & Activity Logs User Logs Module Logs Change Tracking Compliance Logs 1.6 Fil...

    $157 Average bid
    $157 Сер. заявка
    37 заявки

    I’m putting together a small, senior-level team to build an end-to-end healthcare technology solution that blends advanced AI-driven language understanding with a secure, cloud-first web platform and solid commercial traction. The core of the project revolves around three tightly linked workstreams: 1. Artificial Intelligence / NLP • Design and prototype domain-specific language models that can parse clinical notes, suggest ICD-10/11 codes, and generate clear patient-friendly summaries. • Advise on training data strategy, evaluation metrics, and seamless hand-off to production. 2. Full-Stack Web, Cloud & API Development • Architect a scalable React or Vue front-end backed by a robust Node, Python, or similar service layer. • Stand up AWS,...

    $451 Average bid
    $451 Сер. заявка
    264 заявки

    Polance is a software development and IT outsourcing company working with international clients. We're building a small network of US-based senior engineers to support the technical side of our client engagements. This is not a hands-on development role. You are the technical voice in client conversations; our engineering team handles implementation. Location requirement: This role is open to candidates based in the United States only. Our clients are primarily US companies, and we need someone who can take calls during US business hours and who understands how US technology teams operate. Please do not bid if you are not currently located in the US. What you'll do - Join client scoping calls and technical discussions as Polance's solutions architect - Explain proposed t...

    $32 / hr Average bid
    $32 / hr Сер. заявка
    56 заявки

    Senior Full Stack AI Software Engineer (React, Node.js, TypeScript, Python, LLM, RAG) We are looking for an experienced Senior Full Stack AI Software Engineer to build a modern AI-powered web application from the ground up. The ideal candidate should have strong experience across frontend, backend, cloud infrastructure, databases, and AI/LLM integration. This project involves designing and developing a scalable production-ready platform using modern technologies and best practices. Responsibilities - Design and develop a complete full-stack web application. - Build responsive frontend interfaces using React or with TypeScript. - Develop secure and scalable backend APIs using Node.js (NestJS/Express) or Python (FastAPI). - Design relational database schemas using PostgreSQL or MySQL. - ...

    $2183 Average bid
    $2183 Сер. заявка
    271 заявки

    Need an experienced full-stack developer to build a complete CS2 skin platform from scratch. Requirements & Core Features: - User login and secure trade integration via Steam Web API. - Backend built with Node.js and TypeScript, paired with a secure database. - Responsive user interface (React or ) with a modern design. - Case opening system with custom animations and odds configuration. - Skin buy and sell marketplace for peer-to-peer or bot-assisted trading. - Raffle, giveaway, and lottery system for users. - Functional and secure admin panel to manage users, items, economy, and game outcomes. - Clean, well-documented code with deployment support.

    $478 Average bid
    $478 Сер. заявка
    294 заявки
    B2B Flooring Trade Portal Development IOS/ ANDROID/WEB
    1 день left
    Верифіковано

    Project Overview We are a flooring distribution and installation company based in Singapore. We import vinyl flooring from China and supply both homeowners and trade customers (Interior Designers and Contractors). We are looking for an experienced full-stack developer or software team to develop a web-based Trade Portal together with an internal Admin Portal. The objective is to automate the ordering process, improve inventory visibility, reduce manual work, and improve warehouse efficiency. This is NOT a standard e-commerce website. It is a custom B2B ordering and inventory management platform. ──────── Scope of Work 1. Trade Portal (Interior Designers & Contractors) User Login • User registration • Login • User profile Product Catalogue • Product categ...

    $5455 Average bid
    $5455 Сер. заявка
    217 заявки

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