Backend code is the part of a website or application that isn’t visible to the user. The code is a behind-the-scenes part of development, requiring a high level of competency regarding coding and the server that is being used. A backend developer works on the implementation and configuration of systems, and thus provides the building blogs for a website or program.

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    Looking for a dev who is good with Swift and Backend 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    i have an IOS app that has all its data inside the app (static data) i ant to create a backend for to control all data from it and aslo i wanna add some tweaks inside the app Answer this questions 1 - Post your portfolio below and your latest ios apps that you've builded 2- Do you work as full time freelancer or part time? 3- Do you have any running projects now? 4- Estimate Cost and Time t...

    $269 (Avg Bid)
    $269 Сер. заявка
    12 заявки

    Web UI customization to provide support for the user, admin & It manager dashboards Cloud deployment and Optimizations - to maximize the number of users for 3D data storage & streaming applications - to ensure data security for inbound, stored & outbound data - integration with 3rd party applications Share references of web sites that you have deployed NextCloud for with URL & work...

    $15 - $25 / hr
    $15 - $25 / hr
    0 заявки
    App for both android and ios 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I need an iPhone app. I would like it designed and built.

    $780 (Avg Bid)
    $780 Сер. заявка
    66 заявки

    I need an Android/Ios app. I would like it designed and built.

    $338 (Avg Bid)
    $338 Сер. заявка
    10 заявки
    Fullstack Developer Needed for a Small Project 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Need to implement this project [увійдіть, щоб побачити URL] Need to follow the same solution and then we need to give an option to download only srt or only converted audio or both. Also the solution should have batch processing, job queuing and so on implemented. 1. User Sign Up/Login authentication mechanism, Payment Gateway Integration should be implemented. 2. Input option to get the file ...

    $314 (Avg Bid)
    $314 Сер. заявка
    3 заявки

    Hi, I need an expert in ccavenue API who can create an Api to use their Api .You should have to show your previous work Thanks

    $358 (Avg Bid)
    $358 Сер. заявка
    6 заявки

    someone familier with live steam and pay per view programs.

    $31 / hr (Avg Bid)
    $31 / hr Сер. заявка
    7 заявки

    someone familier with live steam and pay per view programs.

    $31 / hr (Avg Bid)
    $31 / hr Сер. заявка
    2 заявки
    Need to Build Android App 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Main Purpose : For Coaching Class and Education Institute Features : => Online Test (Format : Mock Test , Quiz, Practice and Live Quiz) with all popular advance feature of mock test => Video Streaming Courses ( Encrypted format) => Article Page =>Assignment management => Live Chat (Student-Teacher , Teacher-Admin and Admin to Students and Teacher) => Push notification => ...

    $606 (Avg Bid)
    $606 Сер. заявка
    9 заявки
    Build me an Android App 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    Main Purpose : For Coaching Class and Education Institute Features : => Online Test (Format : Mock Test , Quiz, Practice and Live Quiz) with all popular advance feature of mock test => Video Streaming Courses ( Encrypted format) => Article Page =>Assignment management => Live Chat (Student-Teacher , Teacher-Admin and Admin to Students and Teacher) => Push notification => ...

    $1255 (Avg Bid)
    $1255 Сер. заявка
    7 заявки
    eCommerce book sales 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I work with a UK bookstore having a long inventory list. Currently processing over 1000 orders a day. The bookstore wants expand the market and sell English language books through major eCommerce websites in Germany.  An excellent back end system with complete integration for delivery and logistics shall support the process.  Handled majorly outside Germany. Knowledge about functioni...

    $568 (Avg Bid)
    Місцевий
    $568 Сер. заявка
    2 заявки

    We are in needs of full-stack SQL expert for our team for long-run ship Thank you

    $4097 (Avg Bid)
    $4097 Сер. заявка
    46 заявки

    Looking for Software Development Technical Architect who can develop technical architecture document & project plan

    $136 (Avg Bid)
    $136 Сер. заявка
    2 заявки
    Implement Chat support on existing Android app 6 дні(-в) left
    ПІДТВЕРДЖЕНО

    I need a developer who can implement Chat support System in existing app , users/Students can ask query from app and admin can reply from admin panel . it's education app , student can ask query from app and teachers(admin) can reply theirs query from admin panel and vice-versa Admin platform :PHP Codeingiter

    $175 (Avg Bid)
    $175 Сер. заявка
    31 заявки

    I had built the health rewards APK file that required Google developer's account, Amazon APP developer's account or IOS account developer's account to release it free for me to let all the special needs people to exercise to achieve the health rewards.

    $18 (Avg Bid)
    $18 Сер. заявка
    2 заявки
    Backend Developer Needed for a Small Project 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Need to implement this project [увійдіть, щоб побачити URL] Need to follow the same solution and then we need to give an option to download only srt or only converted audio or both. Also the solution should have batch processing, job queuing and so on implemented. 1. User Sign Up/Login authentication mechanism, Payment Gateway Integration should be implemented. 2. Input option to get the file ...

    $584 (Avg Bid)
    $584 Сер. заявка
    4 заявки

    I need an Android App developr. I have diff projects and have some minner miner work. Should be good in PHP, Java, Android, Backend etc. Permanent work.

    $47 (Avg Bid)
    $47 Сер. заявка
    10 заявки
    $40 Сер. заявка
    17 заявки
    Shopify PHP/JS send link with order 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hey, I need a experienced Shopify Developer

    $33 (Avg Bid)
    $33 Сер. заявка
    8 заявки
    Build me an iOS App - Frontend + Backend 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hi, I want to build an iOS App for my organization(Educational Based), It is a very simple app, with very few functionalities and more data based. Major Requirements of App - 1. Sign In Page for a student( No Signup Option - I have a set of students to whom ID - Password has to be allotted) 2. Registration for our Programs by just clicking on a register button( so that we can send notifications or...

    $261 (Avg Bid)
    $261 Сер. заявка
    9 заявки
    Build me an iOS App 5 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hi, I want to build an iOS App for my organization(Educational Based), It is a very simple app, with very few functionalities and more data based. Major Requirements of App - 1. Sign In Page for a student( No Signup Option - I have a set of students to whom ID - Password has to be allotted) 2. Registration for our Programs by just clicking on a register button( so that we can send notifications or...

    $433 (Avg Bid)
    $433 Сер. заявка
    8 заявки
    Process Application 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    we already have a current web application which needs to be upgraded with more relevant functionalities and features making it easy to use.

    $371 (Avg Bid)
    $371 Сер. заявка
    7 заявки
    Web and Mobile Interactive portal with admin side 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    DO NOT SEND AUTOMATIC REPLIES. WE WILL ONLY CONTACT THOSE WHO SHARE RELEVANT WORK SAMPLES. Hello I have a project for building a smart web and mobile site. Please see the requirements below: 1) GUI and UX design - similar to [увійдіть, щоб побачити URL] 2) Allow user signups and mobile number verification 3) Allow user ID verification using third party APIs 4) Setup Payment Gateway (Canada) 5) W...

    $1867 (Avg Bid)
    $1867 Сер. заявка
    55 заявки

    We need to develop the API for our DB2 Database which is running on IBM AS400. Expert is required.

    $14 / hr (Avg Bid)
    $14 / hr Сер. заявка
    8 заявки
    Posting ads on MAP 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    The Project is simple, I need to build a platform where customers can post ads on MAP, so we need to build a category main menu and the ability to add new category and sub-category if required, and for each category, there are details fields too. The same main category menu will be used by customers who want to search for specific ads on a map Later we can discuss more site features once project ...

    $1074 (Avg Bid)
    $1074 Сер. заявка
    47 заявки
    Bridge Financial Application 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    Bridge is an Android application that is aiming to help SMB’s (Small/Medium Businesses) to better document and process their operational costs, and to make better decisions. Bridge is an application that will allow for communication between Six degrees consultancy to enable consultants to provide better business decisions to the owner. The Android application will allow the owner to scra...

    $2935 (Avg Bid)
    Угода про нерозголошення
    $2935 Сер. заявка
    42 заявки

    I need a python API skeleton that accepts a GET/POST request and just returns the input parameters. But it needs to be really really fast, so that I can make ~10K API requests per second. API can be in any framework, but something that can be deployed for production. Deliverables: * python script to run and deploy production API that returns the input parameters in result

    $144 (Avg Bid)
    $144 Сер. заявка
    11 заявки

    Looking for an experienced Python, Django developer to assist our team in development of existing project. You will need to develop new modules and refactor old ones Connect different API's to the project Individuals only, NO AGENCIES. ...

    $175 (Avg Bid)
    $175 Сер. заявка
    14 заявки
    Full Stack developer 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    I want to hire a Full Stack Web and App developer

    $13 (Avg Bid)
    $13 Сер. заявка
    5 заявки
    Full Stack Web and App developer 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    we need a Full Stack Web and App developer

    $217 (Avg Bid)
    $217 Сер. заявка
    15 заявки
    Immediate Hire: Ionic Developer 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    We are looking for skilled ionic app developer with skills and knowledge also in hyrbid app development. You should be able to work on a pixel perfect responsive ionic frontend from our designs and connect the entire App properly to APIs for Login, gathering data and so on. The ideal candidate will have strong communication skills in English and also full-time availability. The job is not fit fo...

    $8 / hr (Avg Bid)
    $8 / hr Сер. заявка
    17 заявки
    Senior Python Developer Needed Now 4 дні(-в) left
    ПІДТВЕРДЖЕНО

    Seeking Senior level Django / Python developer with eCommerce experience. We are looking for an experienced Python Developer to work on the ecommerce component of our web/mobile application. Now, we are building Print-On-Demand service using Python/Django. If you have outstanding python programming skills and lots of experience developing front-end and backend services at scale, we would love to ...

    $33 / hr (Avg Bid)
    $33 / hr Сер. заявка
    86 заявки
    PHP/JS - Scriptfix 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hey, we need to check where the issue is coming from PHP or JS and fix it.

    $27 (Avg Bid)
    $27 Сер. заявка
    51 заявки
    Develop backend for tasks platform -- 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello! I am looking for Freelancers that are skilled in development/coding and are familiar with the online platforms such as tasks and projects platforms. Looking forward to hearing from you!

    $153 (Avg Bid)
    $153 Сер. заявка
    16 заявки
    Sneakers sites bot 3 дні(-в) left

    I need you to develop a software for me. I would like this software to be developed. An AIO bot (all in one) that can buy sneakers on some sites in seconds. Must have: Proxy support Captcha solver Keywords / link / sku to find items Very fast checkout Webhook with discord And other.. Price is an estimate, we can talk well about that. Dm me with your past work or if u have something like that alre...

    $562 (Avg Bid)
    $562 Сер. заявка
    2 заявки
    Magento 2 custom apis 3 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello guys, We have a mobile app and we want to integrate it with some third party magento modules can we achive that and the cost ? Thank you

    $303 (Avg Bid)
    $303 Сер. заявка
    23 заявки
    Cuik Hotels 3 дні(-в) left

    Estamos buscando un experto en TWILIO que pueda analizar, corregir y mejorar un Chat de nuestra aplicación que está desarrollado en Laravell PHP (back) y React Native (front) utilizando el API de Chat de Twilio. Este chat se utiliza para que los huéspedes de los hoteles se puedan contactar con los hoteles a los cuales están registrados Ya tenemos un chat desarrollado ...

    $385 (Avg Bid)
    $385 Сер. заявка
    4 заявки

    Hi Generally speaking, i am looking for someone to create me an app on android and ios, this app is like alot of apps , people inside the app can open like a store inside it and sell their products with categories inside it, clients can enter the app and can watch randomly or with category the products of theese stores, and i want to control the ads location on screen and upload the video of the ...

    $507 (Avg Bid)
    $507 Сер. заявка
    16 заявки

    Hi, i am looking for a web developer who can build a secure tiny photo contest website. no one can cheat the competetion. if any interested, please contact me. Thankyou.

    $19 (Avg Bid)
    $19 Сер. заявка
    4 заявки
    PHP - FIX (failed)net::ERR_FAILED 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hey, I need a quick fix for the error (failed)net::ERR_FAILED PHP.

    $25 (Avg Bid)
    $25 Сер. заявка
    25 заявки

    We are looking for mid- to senior developers to use our windows product to build a simple three-page web application. We will provide a reference site that needs to be rebuilt as exactly as possible using our software. We require users to record their screen and talk us through their experience during this process.

    $153 (Avg Bid)
    $153 Сер. заявка
    8 заявки

    This is a long term project. I am looking for a full-stack developer who can work full-time. If you have more than 7 years of experience in web development, please bid here. and I will test you before starting the project. If you don't want to test, don't bid.

    $10000 - $20000
    Прихований
    $10000 - $20000
    90 заявки
    Table Side Ordering System ( Urgent ) 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    Hello Developers. We need Table side ordering System for our restaurants. Check out the Documentation and before biding please consider and agree for these 1. Future Updates on the developed system 2. Own Work ( Not to be purchase scripts from the third-parties ) 3. After the completion should give the complete rights to us 4. After sale support should be there 5. Everything should be documen...

    $878 (Avg Bid)
    $878 Сер. заявка
    12 заявки
    Customize my Woocommerce Store via custom plugin 2 дні(-в) left
    ПІДТВЕРДЖЕНО

    I need 2 customizations to my woocommerce store 1.- Add 3 custom order status and emails I need to add a custom orders status "On delivery" "Ready for pickup" "Delivered" 2.- Tracking number: I need to add tracking number in each order o bulk via csv* The tracking number should be included in order status under my account. The tracking number should be included in a...

    $191 (Avg Bid)
    $191 Сер. заявка
    28 заявки

    TalentMath is looking for Middle/Senior Full-Stack Developer or a team of developers for a new project (about 3-4 month). The project is new so we are consier developers with different technology stack. We are looking for russian-speaking developers as all documentation is in Russian. Please, do not apply if you don't know Russian. We are waiting for a great developer who will help us to bu...

    $18 / hr (Avg Bid)
    $18 / hr Сер. заявка
    31 заявки
    simple grails app 1 день left

    I want someone to implement simple grails rest api to check and distribute locations from a third party api

    $20 (Avg Bid)
    $20 Сер. заявка
    1 заявки
    Looking for a Backend expert (Firebase) 1 день left
    ПІДТВЕРДЖЕНО

    I need someone to upgrade Node JS 6 to Node JS 10 in Firebase

    $17 (Avg Bid)
    $17 Сер. заявка
    5 заявки
    In app purchase verification 1 день left
    ПІДТВЕРДЖЕНО

    Need server side verification of android IN APP PURCHASE. Code suppose: 1) get HTML response 2) send data to play market to ger order number 3) handle the response (happy path / error / maybe others) 4) Send back to the device Basically I need to do this [увійдіть, щоб побачити URL] I prefer use [увійдіть, щоб побачити URL] for that purpose but you can advice your solution

    $36 (Avg Bid)
    $36 Сер. заявка
    4 заявки
    i need a proffesionals node.js Developer 1 день left
    ПІДТВЕРДЖЕНО

    i have a mobil app.i have a mobile apl,cation. my backend is .NET Core 3.0 and restfull api. also i have swagger api. I want to move the bacend service of my mobile application to the node.js platform. I want to re-code. and use microservices

    $562 (Avg Bid)
    $562 Сер. заявка
    21 заявки

    we have a custom WordPress theme for Forex . We we want to make a theme skin to by able to sale it to a marketplace for to a commercial production theme

    $521 (Avg Bid)
    $521 Сер. заявка
    32 заявки

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