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    Статус роботи
    5,000 postgresql знайдені роботи

    ...Вивід: Hookly Index, Competitor Ranking, AI-ідеї, міні-уроки, статус підписки, список Reels. 7. Адмін-панель Список користувачів, підписок, воркспейсів, підключених акаунтів. Логи помилок, статуси задач, ручний перезапуск оновлень. 8. Інфраструктура Логування (Sentry). Health-checks. Тести на ключові кейси (логін, підписка, оновлення даних). Кого шукаємо Досвід з Node.js / TypeScript, PostgreSQL. Розуміння API-інтеграцій, webhook-ів, білінгу. Досвід з фоновими задачами та чергами (cron, worker). Плюсом буде досвід роботи з AI (OpenAI API).

    $1116 Average bid
    $1116 Сер. заявка
    77 заявки

    ...ручне проведення розіграшу Виплати переможцям Розіграші: Автоматичне генерування виграшних чисел Перевірка квитків Надсилання результатів користувачам --- Оплата: Обов’язково інтеграція платіжної система PayPal/LiqPay) Автоматичне підтвердження платежу --- База даних: Зберігання: UID користувача Обрані числа Час купівлі Тип розіграшу Стан виграшу Можна Google Sheets / PostgreSQL / інше --- Мова інтерфейсу: Російська Англійська --- Дизайн: Золотий стиль, яхти, море (як у фото, яке ми ще робимо) Зрозумілі кнопки Преміум вигляд --- Додатково: Просте меню: Купить билет Правила Мои билеты Розыгрыши Помощь Скільки часу? Скільки коштує? Що ще треба від мене? Які платіжки інтегрує? Чи можете зробити багатомовність?

    $144 Average bid
    $144 Сер. заявка
    15 заявки
    Проект на Python - GramKeeper
    Закінчився left

    Копіювання в реальному часі всіх або вибірковий чатів, груп...копіюється на сервер. Таким чином, може зберігати і всі змінені повідомлення. - Можливість моніторингу кількох телеграм облікових записів - Збереження повідомлення та медіа файлів - інтерфейс для керування налаштуваннями - інтерфейс безпосередньо для роботи з збереженими повідомленнями - обмеження з прав Реалізація – Сам парсер на Python використовуючи Telegram API. бібліотека Telethon - БД postgresql - адмінка на Django

    $18 / hr Average bid
    $18 / hr Сер. заявка
    4 заявки

    ...Azure AI Document Intelligence або іншими OCR/AI для обробки PDF. • Або використання бібліотек типу PyMuPDF, pdfplumber, PDFMiner, PyPDF2 з власним парсером. ⸻ ? Файли, які надаю: • — повний хендбук для обробки • Приклад очікуваного JSON-формату • За потреби — частково оброблені шматки документа ⸻ ✅ Очікування від результату: • Один .json файл, готовий до імпорту в базу (PostgreSQL або іншу) • Повне покриття всіх сторінок і тем • Якісна багаторівнева структура без втрати контексту

    $160 Average bid
    $160 Сер. заявка
    7 заявки

    ...доступ до керування балансами. • Інтерфейс має бути простим і зручним для поповнення та перегляду залишку на балансі. • Сайт має бути адаптованим під мобільні пристрої і мати сучасний дизайн. Технологічні вимоги: • Front-end: HTML, CSS, JavaScript (з можливістю використання фреймворків, таких як React або Vue.js). • Back-end: PHP або Node.js для серверної частини. • База даних: MySQL або PostgreSQL для зберігання інформації про користувачів і їхні баланси. • Платіжні системи: інтеграція популярних платіжних рішень для поповнення балансу (наприклад, PayPal, Stripe тощо). • Важливо забезпечити високий рівень безпеки даних користувачів, оскільки буде обробка особистих даних і фінансової інформації. Потрібен розробник, який має досвід в по...

    $210 Average bid
    Терміновий
    $210 Сер. заявка
    7 заявки

    Потрібно розгорнути на віртуальному сервері 1. веб сервер (apache/nginx/ +PHP) 2. СУБД (mysql/postgresql) 3. сам сайт

    $115 Average bid
    $115 Сер. заявка
    8 заявки

    Потрібно поступово (по частинах) переписати застарівший самописний PHP інтернет-магазин з асортиментом декілька тисяч тов...(по частинах) переписати застарівший самописний PHP інтернет-магазин з асортиментом декілька тисяч товарів на фреймворк Django, розширюючи його теперішній функціонал. Обов'язково: - попередній досвід веб-розробки на Django; - досвід створення RESTful API; - розуміння PHP. Бажано: - досвід на подібних проектах в ролі Senior; - досвід роботи з Flask; - досвід роботи з Vue.js; - досвід роботи з PostgreSQL.

    $2025 Average bid
    $2025 Сер. заявка
    4 заявки
    ETL з веб панелью
    Закінчився left

    1) Є портали відкритих даних. наприклад 2) Потрібно розробити засоби завантаження відкритих наборів даних. вимоги: 1) Веб рішення (далі сервіс). на базі наприклад PostgreSQL / MySQL 2) конфігурація процесу завантаження конкретного набору даних: - даємо посилання на набір даних - Сервіс парсить структуру - на підставі парсинга конфігуруємо таблицю БД, куди будемо завантажувати дані - вказуємо періодичність завантаження даних - зберігаємо конфігурацію. 3) Сервіс повинен виконувати завантаження за розкладом. 4) Сервіс веде лог завантаження 5) Перегляд інформації повинен мати: графік та лог завантаження, таблицю з даними, конфігурацію процесу(тобто url, тип файлу)

    $35 Average bid
    $35 Сер. заявка
    1 заявки

    Loyalty App — WhatsApp Gift Voucher Development | Developer Needed The Opportunity We’re looking...table (services, usage tracking) • Redemption History table (audit trail) • Proper indexing and optimization Apple Wallet Integration • Generate .pkpass files dynamically • Update passes in real-time • Push notifications when passes change • QR code generation and validation Tech Stack (Recommended) Backend Options • Node.js ( recommended) + PostgreSQL/MySQL • Python (FastAPI/Django) + PostgreSQL/MySQL • Go + PostgreSQL/MySQL Frontend Options • React.js or Vue.js for Dashboard • for web pages (SEO-friendly) • Tailwind CSS for styling APIs & Services • Meta WhatsApp Business API...

    $453 Average bid
    $453 Сер. заявка
    88 заявки

    ...Text chat running alongside the video stream so participants can share links or quick notes without leaving the call. • User accounts with secure sign-up, login, and password reset; social-login options are a plus. • A clean, mobile-responsive UI that feels as fast on phones as it does on desktop. • Backend that can grow: Node.js, Python, or Go with a database you’re comfortable scaling (PostgreSQL, MongoDB, etc.). • Simple admin panel where I can monitor live sessions and, if needed, remove abusive users. Acceptance criteria 1. A user can register, log in, start or join a live video session, and exchange messages without page refresh. 2. Latency stays below 300 ms for video and 100 ms for chat under typical broadband conditions. 3. Code i...

    $2 / hr Average bid
    $2 / hr Сер. заявка
    9 заявки
    Full-Stack Dog-Walker Platform Build
    6 дні(-в) left
    Верифіковано

    ...loading/error states • + FCM integration • coordinating with frontend dev Admin Panel Build a simple 3-screen React admin panel: • Walker verification • User/walker management • Reports & disputes queue ⸻ Tech Stack • Node.js • NestJS • TypeScript • PostgreSQL + PostGIS • Prisma • Redis • BullMQ • • React • Firebase • Cloudflare • Tranzila ⸻ Project Details • Fixed price: ~$4,400 • Timeline: 8–9 weeks • Potential long-term work after MVP launch ⸻ Requirements Must have experience with: • NestJS • PostgreSQL • production backend systems • Flutter integration • payments • real-time systems Big advantage: • marketplace ap...

    $3887 Average bid
    $3887 Сер. заявка
    91 заявки

    Looking for an experienced full-stack mobile app developer/team to build an audio-only paid consultation app similar to Connecto. Tech stack preference: - Flutter frontend - Node.js + TypeScript backend - WebRTC P2P audio calling - - PostgreSQL - Redis - Coturn Core MVP features: - OTP authentication - User & expert profiles - Expert discovery/listing - Wallet & recharge system - Paid audio calls (per-minute billing) - Ratings & reviews - Push notifications - Admin panel Important requirements: - Scalable architecture - Low-cost infrastructure optimization - Clean production-grade code - Strong realtime/WebRTC experience - Experience with payment gateway integration Please share: - Relevant portfolio - Realtime/WebRTC experience - Estimated timeline - Team size ...

    $1146 Average bid
    $1146 Сер. заявка
    36 заявки

    ...with Python or Node.js Expertise in browser automation frameworks such as Playwright, Puppeteer, or Selenium Experience with Apify, Scrapy, or similar scraping frameworks Knowledge of proxy rotation, session management, and anti-detection techniques Ability to design scalable, maintainable scraping pipelines Familiarity with REST APIs, OAuth, and data normalization Experience with MongoDB, PostgreSQL, or cloud storage solutions Preferred Experience: Prior work scraping platforms with strong anti-bot protections Experience building content aggregation, monitoring, or intelligence systems Familiarity with summarization, tagging, or enrichment workflows (nice to have) Engagement Details: Long-term engagement (3–12 months) Weekly deliverables Competitive compensat...

    $4066 Average bid
    $4066 Сер. заявка
    160 заявки
    Server Code Performance Boost
    6 дні(-в) left
    Верифіковано

    I need help stabilizing my server-side application by focusing ...metrics that clearly show the gains. • Document every change: the reason, the impact, and any trade-offs. Success looks like: • Faster average and p95 response times under the current production workload. • Clear, reproducible benchmark data that proves the improvement. • Readable, maintainable code that future team members can extend without re-introducing latency. The stack is Node.js with a PostgreSQL backend, but I’m open to best-practice suggestions—whether that involves native add-ons, worker threads, or other proven techniques. If this sounds like your specialty in performance optimization and code execution tuning, I’d love to see how you would approach it and what simil...

    $2071 Average bid
    $2071 Сер. заявка
    99 заявки
    Develop Feature: WhatsApp Integrated Gift Vouchers
    6 дні(-в) left
    Верифіковано

    Loyalty App — WhatsApp Gift Voucher Development | Developer Needed The Opportunity We’re looking...table (services, usage tracking) • Redemption History table (audit trail) • Proper indexing and optimization Apple Wallet Integration • Generate .pkpass files dynamically • Update passes in real-time • Push notifications when passes change • QR code generation and validation Tech Stack (Recommended) Backend Options • Node.js ( recommended) + PostgreSQL/MySQL • Python (FastAPI/Django) + PostgreSQL/MySQL • Go + PostgreSQL/MySQL Frontend Options • React.js or Vue.js for Dashboard • for web pages (SEO-friendly) • Tailwind CSS for styling APIs & Services • Meta WhatsApp Business API...

    $521 Average bid
    $521 Сер. заявка
    100 заявки

    ...Full Stack Developer to assist me with a technical skill assessment for a new job opportunity. Tech Stack - React.js - TypeScript - Node.js - PostgreSQL - REST APIs - Modern full stack development practices What I Need - Guidance and support during the technical assessment - Help with architecture, clean code, and best practices - Strong debugging and problem-solving skills - Experience building scalable full stack applications - Ability to explain solutions clearly Preferred Qualifications - Senior-level experience in full stack development - Strong knowledge of React + TypeScript - Backend expertise with Node.js - Database design and PostgreSQL experience - Experience with coding tests or technical interviews Additional Notes - Good communication is important - Fast ...

    $3691 Average bid
    $3691 Сер. заявка
    140 заявки

    ...student/parent/staff records and workflow state -Design admin dashboards and parent notifications with Looker Studio/Metabase -Document implementations for repeatability and future templatization Must-Have Experience: -3+ years building n8n/Make/Zapier production workflows -School/ERP integration experience (Fedena, EduSys, custom ERPs) -WhatsApp Business API, SMS gateways, payment gateway integrations -PostgreSQL/Airtable/Supabase for structured school data -Building PWAs or simple web apps for non-technical users (teachers/admins) -Experience with teacher/admin UX (mobile-first, low-friction input) Nice-to-Have: -Indian school operations knowledge (CBSE/ICSE workflows, UDISE reporting) -Voice-to-text workflow experience -Multi-language SMS/WhatsApp (English + regional languag...

    $12 / hr Average bid
    $12 / hr Сер. заявка
    15 заявки

    ...Live charts Running trades PNL analytics Strategy performance Win rate Trade logs Exchange balances Notifications/alerts Preferred frontend: React.js / Preferred backend: Node.js / Python Database: MongoDB / PostgreSQL 6. Admin Features User authentication API key encryption Strategy management Bot start/stop controls Exchange account management Subscription support (optional) 7. Technical Requirements Preferred Tech Stack: React.js / Node.js or Python (FastAPI preferred) WebSocket integration Docker deployment Redis for queue management MongoDB/PostgreSQL Optional: AI-based signal generation Telegram bot integration TradingView webhook integration Important Requirements Secure API handling Fast order execution Scalable architecture Clean UI/UX Proper logging s...

    $156 Average bid
    $156 Сер. заявка
    9 заявки

    ...Credit/Debit Card, Google Pay and Cash on Delivery (COD). Each option has to pass PCI-compliant processing and appear in a clean, single-page checkout flow. • Responsive performance optimisation (Core Web Vitals) and basic SEO tags so the site is discoverable from day one. Tech preference & deliverables I’m open to popular modern stacks—React or Vue with Node, Django or Laravel on the backend, PostgreSQL or MongoDB for the database—as long as the codebase is well-structured, documented and version-controlled in Git. When you hand it over I expect: 1. Full source code in a private repository. 2. A one-click deployment script (Docker or CI/CD) and brief video walkthrough. 3. A testable staging URL plus assistance getting the live domain up. 4...

    $108 Average bid
    $108 Сер. заявка
    67 заявки
    Design AI-Driven Automated Forum
    6 дні(-в) left
    Верифіковано

    ... • publish them • and scale later ⸻ 10. Technical requirements The freelancer must have experience in: • Discourse • APIs • backend automation • AI integration • user management • admin panels • databases • server deployment Acceptable technologies: • Ruby / Rails (if working inside Discourse) • Python • Node.js • API integrations • queue systems • cron jobs • webhooks • PostgreSQL • Redis • Docker • etc. The developer may propose the architecture they consider most robust, as long as it meets the project objectives. ⸻ 11. Expected deliverables The project must be delivered with: • Discourse installed and running • initial structure crea...

    $637 Average bid
    $637 Сер. заявка
    128 заявки

    Loyalty App — WhatsApp Gift Voucher Development | Developer Needed The Opportunity We’re looking...table (services, usage tracking) • Redemption History table (audit trail) • Proper indexing and optimization Apple Wallet Integration • Generate .pkpass files dynamically • Update passes in real-time • Push notifications when passes change • QR code generation and validation Tech Stack (Recommended) Backend Options • Node.js ( recommended) + PostgreSQL/MySQL • Python (FastAPI/Django) + PostgreSQL/MySQL • Go + PostgreSQL/MySQL Frontend Options • React.js or Vue.js for Dashboard • for web pages (SEO-friendly) • Tailwind CSS for styling APIs & Services • Meta WhatsApp Business API...

    $266 Average bid
    $266 Сер. заявка
    59 заявки

    ...Stack Developer to assist me with a technical skill assessment for a new job opportunity. Tech Stack - React.js - TypeScript - Node.js - PostgreSQL - REST APIs - Modern full stack development practices What I Need - Guidance and support during the technical assessment - Help with architecture, clean code, and best practices - Strong debugging and problem-solving skills - Experience building scalable full stack applications - Ability to explain solutions clearly Preferred Qualifications - Senior-level experience in full stack development - Strong knowledge of React + TypeScript - Backend expertise with Node.js - Database design and PostgreSQL experience - Experience with coding tests or technical interviews Additional Notes - Good communication is impor...

    $462 Average bid
    $462 Сер. заявка
    216 заявки

    ...Technical Requirements - Multi-tenant SaaS architecture (one system, many shops) - Fast and responsive UI for quick billing - Secure backend with role-based access control - REST API-based architecture - Scalable database design - Cloud deployment with monitoring - Clean and minimal codebase ### Preferred Technologies - Frontend: React / - Backend: Node.js / NestJS or FastAPI - Database: PostgreSQL / MongoDB - Cloud: AWS / Google Cloud - Optional POS hardware integration (barcode scanner, receipt printer) ### Expected Outcome A simple but powerful SaaS platform that allows small shop owners to digitize their business, reduce manual work, track sales in real time, and manage inventory efficiently from anywhere. ### Example Use Cases - A grocery shop owner tracking daily sales ...

    $235 Average bid
    $235 Сер. заявка
    107 заявки

    ...endpoints end-to-end. Acceptance criteria 1. All endpoints return 200/201 and the correct JSON when hit from Postman. 2. Admin and User roles are enforced through an attribute-based authorization policy. 3. A short README explains how to run a local build and apply migrations with dotnet ef. If you have production experience with ASP.NET Core, Entity Framework, and SQL Server (or PostgreSQL), I’m ready to get started right away....

    $6 / hr Average bid
    $6 / hr Сер. заявка
    40 заявки

    ...architecture (each restaurant isolated) - Secure authentication and role-based access control - High-performance real-time order updates - REST API + WebSocket support - Scalable backend for high order traffic - Cloud deployment with monitoring - Clean, modular, and maintainable codebase ### Preferred Technologies - Frontend: React / - Backend: Node.js / NestJS / Python (FastAPI) - Database: PostgreSQL / MongoDB - Real-time: WebSockets / - Cloud: AWS / Google Cloud / Azure - Payments: Stripe / PayPal - Automation: n8n - AI: OpenAI API (for chatbot & order assistant) ### Expected Outcome A fully production-ready Restaurant SaaS platform that allows restaurants to run digital operations efficiently, reduce manual work, improve order speed, and increase customer satisfaction...

    $143 Average bid
    $143 Сер. заявка
    72 заявки
    Complete AI Outbound Call System for Construction
    6 дні(-в) left
    Верифіковано

    ...builders / estimators / PMs / CAs, identify the correct project contact, request project documents, update HubSpot, create follow-up tasks, and notify the business owner/director when documents are received. This is not a prototype job. We need someone who can complete the full working system. Current Project Includes The existing ZIP already contains: Node.js / TypeScript / Express backend PostgreSQL schema and migrations Project/contact/call-session logic Call eligibility logic Suppression / do-not-call logic 7-day contact cooldown rule 72-hour project cooldown rule Twilio outbound call initiation Twilio Voice webhook Twilio status webhook Twilio Media Streams WebSocket endpoint OpenAI Realtime bridge concept Construction contractor AI sales-agent prompt Structured outcome ...

    $205 Average bid
    $205 Сер. заявка
    105 заявки

    ... ### Technical Requirements - Full-stack SaaS architecture - Scalable backend infrastructure - REST API and third-party integrations - Secure payment processing - Role-based access control - Optimized database performance - Cloud deployment and monitoring - Clean and maintainable codebase ### Preferred Technologies - Frontend: React / - Backend: Node.js / NestJS / Python - Database: PostgreSQL / MongoDB - Cloud Services: AWS / Google Cloud - Payment Integration: Stripe / PayPal - Automation: n8n - AI Integration: OpenAI API ### Expected Outcome The final platform should be a production-ready marketplace SaaS solution capable of supporting multiple vendors, high user traffic, secure transactions, and future feature expansion while maintaining excellent performance and user expe...

    $261 Average bid
    $261 Сер. заявка
    104 заявки
    Autonomous AI Fintech for Debt Management
    5 дні(-в) left
    Верифіковано

    ...UI/UX understanding • Startup-level execution speed BONUS EXPERIENCE: • YC startup background • Plaid / Tink / Stripe integrations • Debt, lending, or refinancing platforms • AI workflow orchestration • Voice AI systems • Autonomous systems • Financial negotiation systems TECH STACK (preferred but flexible): • • TypeScript • Python / FastAPI • AI orchestration frameworks • OpenAI APIs • PostgreSQL • Event-driven architecture • Modern cloud infrastructure VERY IMPORTANT: We do NOT want unnecessary meetings, endless calls, bloated processes, or generic proposals. If you apply, send: 1. Relevant fintech projects 2. Live products 3. Real references 4. Your exact role in those projects 5. Tech stack u...

    $39029 Average bid
    $39029 Сер. заявка
    191 заявки
    Senior Python Backend Engineer
    5 дні(-в) left
    Верифіковано

    ...error handling, logging, and monitoring - Collaborate with cross-functional teams for feature delivery --- Required Skills - Strong experience in Python backend development - Hands-on with FastAPI / Django / Flask - Experience building REST APIs and microservices - Good understanding of asynchronous programming (Celery, RabbitMQ, Kafka, etc.) - Strong SQL skills and experience with databases (PostgreSQL, MySQL, MongoDB) - Knowledge of system design, scalability, and performance optimization - Experience with cloud platforms (AWS / GCP / Azure) - Familiarity with Docker and CI/CD pipelines --- Good to Have - Experience with LLM/AI integrations (OpenAI, LangChain, etc.) - Experience with large-scale data processing or ETL pipelines - Knowledge of GraphQL - Experience in finte...

    $576 Average bid
    $576 Сер. заявка
    66 заявки
    Installation et Configuration de FixMyStreet
    5 дні(-в) left
    Верифіковано

    ...de FixMyStreet * Configuration Docker / Docker Compose * Installation PostgreSQL * Configuration du domaine * Configuration HTTPS / SSL * Configuration OpenStreetMap * Configuration e-mails * Mise en ligne fonctionnelle * Traduction française si nécessaire * Vérification fonctionnement mobile * Configuration catégories de signalement * Vérification upload photos * Configuration géolocalisation Serveur : * VPS Linux Ubuntu * Accès SSH fourni Objectif final : Je souhaite obtenir une plateforme publique moderne de signalement citoyen avec : * carte interactive, * signalements publics, * géolocalisation, * photos, * catégories, * design propre et responsive. Compétences recherchées : * Docker * Linux U...

    $62 Average bid
    $62 Сер. заявка
    46 заявки

    ...(Spokes) that securely connect to a centralized dictionary server (Hub). Technical Stack Infrastructure: Google Cloud Platform (GCP) IaC: Terraform (Modular, reusable scripts) Compute: Google Cloud Run (Serverless containers) Database: Cloud SQL for PostgreSQL (with pgvector enabled) Networking: VPC, Private Service Connect (PSC), Cloud NAT, Identity-Aware Proxy (IAP) Security: Cloud KMS (CMEK), IAM Workload Identity, Security Command Center (SCC) Scope of Work Master Hub Build: Configure the central project containing the master PostgreSQL dictionary and the Artifact Registry for Docker images. The "Spoke" Template: Develop a highly modular Terraform template for client onboarding. Each Spoke must be a standalone GCP project with a private VPC, isolated ...

    $1146 Average bid
    Угода про нерозголошення
    $1146 Сер. заявка
    34 заявки

    ...users can subscribe and access core features online and on the go. Core Requirements: · Web app: responsive dashboard, user authentication, subscription management, admin panel. · Mobile app (cross-platform preferred, e.g., React Native or Flutter): key features mirrored from web, with push notifications. · Backend: secure, scalable API (prefer Node.js, Python/Django, or similar). · Database: PostgreSQL or MongoDB. · Payment integration: UPI , stripe . · Hosting setup guidance or deployment included. Preferred Skills: · Full-stack web development (React, Vue, or Angular) · Mobile development (React Native or Flutter) · Backend API development · UI/UX design capability (or work with our designer) · Ex...

    $303 Average bid
    $303 Сер. заявка
    70 заявки

    ...and server restarts is not present. - Market data caching, refresh throttling, and historical trade data handling are not fully implemented. - Responsive mobile layout and cross-browser UI polish require improvement. - A proper API-level route list and backend route documentation are not yet finalized. 5. Recommended Add-On Points to Complete the Application - Add backend storage: use SQLite/PostgreSQL for trade history, positions, strategy configurations, and user settings. - Implement authentication: session-based login or token-based API auth for secure dashboard access. - Complete live trading flow: connect order placement from UI to Dhan API, with paper/live toggle and status tracking. - Add user roles: admin, trader, and observer permissions for a multi-user environment....

    $560 Average bid
    $560 Сер. заявка
    47 заявки

    I need to move an entire set of database records from a proprietary legacy archive into a new cloud-based content management system. The source isn’t MySQL, PostgreSQL, or Oracle—it’s a home-grown format—so the job starts with understanding and reverse-engineering its schema and export routines. From there we’ll design an ETL pipeline that transforms each field cleanly into the structures required by the target CMS while preserving every relation, timestamp, and audit trail. Deliverables • Technical mapping document that explains each field’s journey from legacy tables to the cloud schema • Re-usable migration scripts or jobs (Python, SQL, or the ETL tool of your choice) stored in a version-controlled repo • One full test mig...

    $11 / hr Average bid
    $11 / hr Сер. заявка
    6 заявки

    ...Referral Reward Unlocked! You earned ₹25 OFF on your next order. Coupon Code: AMAN25 Valid on orders above ₹300.” Backend validation should include: * Coupon belongs to user? * Already used? * Expired? * Minimum order reached? Discount should apply before Razorpay payment. --- # Preferred Tech Stack Frontend: * React / Backend: * Node.js / Laravel / Django Database: * MySQL / PostgreSQL Integrations: * WhatsApp Business API * Razorpay * QR Code Generator Hosting: * AWS / DigitalOcean / VPS --- # Deliverables * Full source code * Admin panels * API integration * Deployment support * Documentation * Bug fixing support --- # Developer Requirements Please apply with: 1. Relevant portfolio/projects 2. Experience with WhatsApp API 3. Estimated timeline 4. E...

    $249 Average bid
    $249 Сер. заявка
    47 заявки

    Project Requirement: Business Management System 1. User Management & Access Control Multi-user login system Role-based access control (Owner, Accountant, Sales, Employee) Secure authentication (email/password) Restricted module visibility based on roles 2. Dashboard Overview of total sales Pending payments summary Stock status (low stock alerts) Employee per...performance reports 10. Reports & Analytics Sales reports Inventory reports Account summaries Employee performance reports 11. Notifications (Optional) Low stock alerts Payment reminders Task notifications 12. System Features Web-based application Mobile responsive design Fast performance Secure data handling Backup system Technical Requirements Frontend: React Backend: Spring Boot (Java) Database: PostgreSQL Deploy...

    $310 Average bid
    $310 Сер. заявка
    62 заявки

    ... GSTR-3B) E-way bill and e-invoice integration Barcode billing support Multi-user access with role permissions Customer and supplier management Expense tracking TDS/TCS support Payment reminders through WhatsApp/SMS Data backup & cloud sync Multi-company support Audit reports and CA-friendly tools Technical Requirements: Frontend: React / Backend: Node.js / Laravel / Django Database: PostgreSQL or MySQL Mobile App: Flutter or React Native Cloud Hosting: AWS or Azure Secure login with OTP and authentication Fast performance with offline + online sync UI Design: Modern dashboard with charts Easy navigation for non-technical users Dark and light mode Punjabi, Hindi, and English language support Mobile responsive design Additional Modules: Payroll & salary management Manufac...

    $585 Average bid
    $585 Сер. заявка
    42 заявки
    Comprehensive Startup Web App Development
    12 дні(-в) left
    Верифіковано

    ...Authentication and user management Admin dashboards and internal tools Responsive UI implementation from wireframes/designs CI/CD setup and deployment Production infrastructure and cloud setup Testing and debugging Performance optimization and scalability Preferred Tech Stack Frontend: React.js TypeScript Tailwind CSS Backend: Node.js / Express Python / FastAPI REST APIs Infrastructure: PostgreSQL or MongoDB AWS Docker GitHub Actions / CI-CD Requirements Strong React.js experience Experience building full stack SaaS applications Ability to work independently and make technical decisions Experience deploying production applications Good communication skills Availability during PST business hours preferred Project Type Startup MVP Development Long-term opportunity possible after i...

    $3787 Average bid
    $3787 Сер. заявка
    247 заявки
    On-Demand Doctors (GP) and Nurses Home Visit App
    5 дні(-в) left
    Верифіковано

    *1. Project Name* `On-Demand GP Home Visit App | R...Backend: Job dispatch, real-time tracking, Stripe/Paystack payments with split payouts, push notifications - Admin dashboard: Manage jobs, users, pricing, payouts What’s ready: - Full PRD v1.2 with flows and acceptance criteria - Figma designs for mobile + web admin - with all copy - Brand assets and staging API keys Tech: React Native for iOS + Android, Node.js + Express backend, PostgreSQL. Open to recommendations but must launch on both platforms. Requirements: - Shipped 2+ React Native apps to stores - Experience with live GPS tracking, payments, real-time features - Available 30-40 hrs/week for 6 weeks To apply: Share links to 2 live apps, your quote for MVP, availability, and how you’d handle offline notes...

    $166 Average bid
    $166 Сер. заявка
    91 заявки

    Loyalty App — WhatsApp Gift Voucher Development | Developer Needed The Opportunity We’re looking...table (services, usage tracking) • Redemption History table (audit trail) • Proper indexing and optimization Apple Wallet Integration • Generate .pkpass files dynamically • Update passes in real-time • Push notifications when passes change • QR code generation and validation Tech Stack (Recommended) Backend Options • Node.js ( recommended) + PostgreSQL/MySQL • Python (FastAPI/Django) + PostgreSQL/MySQL • Go + PostgreSQL/MySQL Frontend Options • React.js or Vue.js for Dashboard • for web pages (SEO-friendly) • Tailwind CSS for styling APIs & Services • Meta WhatsApp Business API...

    $202 Average bid
    $202 Сер. заявка
    103 заявки

    ...(Lean MVP) Track: • users • active users • listings • completed transactions • credits traded • reserve wallet growth • disputes • fraud incidents • repeat usage ________________________________________ Technical Preferences Open to recommendations. Prefer existing services where practical. Likely stack: Frontend: • React / Backend: • Node.js / Supabase / Firebase Database: • PostgreSQL or equivalent Hosting: • Vercel / AWS / cloud Messaging: • Stream / Sendbird / Pusher Analytics: • PostHog Admin: • Retool or custom lightweight admin Storage: • AWS S3 / Cloudflare ________________________________________ Deliverables Need: • working MVP • frontend • backend &b...

    $1376 Average bid
    $1376 Сер. заявка
    240 заявки
    SQL Database Debugging
    4 дні(-в) left

    I'm seeking an experienced SQL database specialist to debug my current database. Ideal Skills and Experience: - Proficiency in SQL and experience with MySQL, PostgreSQL, or Microsoft SQL Server - Strong problem-solving skills - Experience with database performance tuning and error resolution - Ability to work efficiently and communicate effectively Please provide your experience and approach to debugging SQL databases.

    $20 / hr Average bid
    $20 / hr Сер. заявка
    176 заявки
    Flutter-Supabase Legal SaaS MVP
    4 дні(-в) left
    Верифіковано

    ...experienced Flutter + Supabase developer (or small team) to build the first production-ready MVP for Android, iOS, and web. The goal is to create a clean, reliable, and scalable legal operations platform focused on case management, hearing tracking, document storage, and chamber workflows. Tech stack is already finalized: • Flutter (mobile app) • (lightweight admin/web panel) • Supabase (PostgreSQL, Auth, Storage, RLS) • Razorpay (subscriptions and recurring billing) • Firebase Cloud Messaging (push notifications) • GitHub for source control and collaboration MVP Scope Authentication & Subscription • Secure signup/login flow • Free-trial onboarding with upgrade to paid subscription • Razorpay recurring subscription integratio...

    $326 Average bid
    $326 Сер. заявка
    82 заявки

    ...application * Secure database structure * Modern responsive UI * Scalable architecture * API error logging * Background sync jobs/queues * CSV import/export * Backup/export system * Mobile-friendly preferred --- # Preferred Tech Stack We are open to recommendations, however suitable technologies may include: * Laravel / PHP * Node.js * Python (Django/FastAPI) * React / Vue.js / * MySQL or PostgreSQL * OAuth 2.0 * Queue/background job systems --- # Developer Skills Required Please only apply if you have experience with: * eBay API integrations * Inventory/SKU systems * Multi-account marketplace systems * Bulk editing systems * HTML template builders/editors * Order syncing * OAuth authentication * Database architecture * SaaS dashboard development * Variation listing mana...

    $1053 Average bid
    $1053 Сер. заявка
    196 заявки

    ...training, and deployment, • generate audit-ready logs for internal and external regulators, • surface real-time risk metrics on model drift, bias, and performance. I already have high-level requirements, user stories, and sample policy text; what is missing is the architecture, codebase, and an iterative delivery plan. Expect to work with common stacks for ML ops (Python, Docker, Kubernetes, PostgreSQL or similar) and to weave in explainability libraries such as SHAP or LIME where useful. A lightweight UI in React or Vue is welcome if it speeds adoption, but a clean API façade that can plug into existing dashboards is equally acceptable. Acceptance criteria: 1. Technical design document approved by me before coding starts. 2. Minimum-viable product deployed to ...

    $293 Average bid
    $293 Сер. заявка
    60 заявки

    Project: Smart Workforce Management Platform Developed a full-stack workforce management platform for businesses to manage employees, schedules, attendance, payroll, and real-time communication across web and mobile applications. Tech Stack Frontend: React.js Backend APIs: Python (FastAPI/Django) and .NET Core Mobile App: React Native Database: PostgreSQL / SQL Server Cloud & DevOps: Azure, Docker, GitHub Actions Responsibilities Built responsive admin dashboard using React with reusable component architecture. Developed RESTful APIs in Python and .NET Core for authentication, employee management, scheduling, and reporting. Created cross-platform mobile application for iOS and Android using React Native. Implemented JWT authentication, role-based access control, and secure API...

    $250 - $750
    Прихований
    $250 - $750
    126 заявки

    ...and powered by a API, with Redis handling sockets/queues and PostgreSQL storing all persistent data. What I already have in mind: • Real-time messaging with online/offline presence handled through Redis pub/sub • Photo & video sharing directly inside conversations and on profiles • A friendship / follow model to connect users Additional engagement layers I’d like to see: • Likes and comments for posts and media • Stories or status updates that expire after a set period • User-created groups or communities with their own feeds Deliverables 1. Source code for mobile (React Native) and server () projects, cleanly structured and ready for local deployment. 2. Database schema (PostgreSQL) and any Redis configurat...

    $1191 Average bid
    $1191 Сер. заявка
    296 заявки

    PROJECT: Brain Bee Web-Mobile App ABOUT BRAIN BEE: Brain Bee is a compr...feedback • User authentication and personalized profiles • Real-time progress tracking and analytics • Achievement badges and gamification • Responsive web interface • Native mobile apps (iOS/Android) • Social leaderboards • Admin content management system • Cross-platform data synchronization TECH STACK: • Frontend: React (Web) & React Native (Mobile) • Backend: Node.js/Express • Database: PostgreSQL • APIs: RESTful architecture • Hosting: Cloud-based infrastructure CAPABILITIES: ✓ Supports thousands of concurrent users ✓ Secure user authentication ✓ Advanced analytics and reporting ✓ Customizable quiz and content creation ✓ Mobile-first ...

    $8 / hr Average bid
    $8 / hr Сер. заявка
    117 заявки
    Devops engineer work
    4 дні(-в) left

    Looking for a one-time freelance DevOps Engineer requirement for a friend. Approx effort: ~18 hours. Scope of work: Create and configure an AWS account Set up an authenticated PostgreSQL RDS instance and share the connection URL Deploy updated backend code on AWS Lightsail Manage environment variables securely using Secrets Manager / secrets handling Share deployed URLs And Create an automated pipeline or a simple manual workflow for backend redeployment If interested, please DM me with your experience and availability.

    $91 Average bid
    $91 Сер. заявка
    32 заявки
    Financial project (MVP)
    4 дні(-в) left
    Верифіковано

    ...architecture Admin & Operations Dashboard Build an internal dashboard for operations/compliance staff. Functions: • Review KYC submissions • Monitor transfers • Review AML flags • Handle failed transactions • View audit logs Architecture Expectations (AWS or Digitalocean) The system should be modular and scalable. Recommended stack: • Flutter or React Native • Node.js / NestJS backend • PostgreSQL • Redis • AWS infrastructure The architecture must support: • API-first design • Webhooks • Event-driven processing • Future scaling to additional countries/providers Compliance & Legal Awareness The IT team must understand: This is a regulated fintech product. Technical implementation...

    $4323 Average bid
    $4323 Сер. заявка
    255 заявки

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