Backend Development Jobs

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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    48 jobs found, pricing in USD

    I have Cepanel on [login to view URL] and I want to manage my PHP website and learn few basic things to run it. you must have PHP experience and front & backend experince. It is only basic tasks I want to learn so it wont take time so I will pay $20.

    $24 (Avg Bid)
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    16 bids

    I need a new website. I already have a design, I just need you to build a website for my small business.

    $16 (Avg Bid)
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    6 bids

    it is just like tiktok and i want to add some features like watermark on the video and popular creater and many more things.

    $421 (Avg Bid)
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    2 bids

    Hello i need someone who can develop one application in php which can remove background of image, if there is any human, animal or anything in front. Then it should have to ability to remove background of any image.. i need that application in php, you can use python, tensorflow in backend.

    $17 (Avg Bid)
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    3 bids

    Node Js Developer Needed Urgent Work Its a admin panel for android application i need some fixes and some other features urgently Its a pharma app admin panel Thanks

    $21 (Avg Bid)
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    9 bids

    As a project team, we need Angular/Java developers to develop and deliver the application. By giving direction/architecture from our System Architect, developers able to develop the business logic. Proposal/Requirement: Pending Acceptance criteria: 1. Experience in Angular 2. Experience in Spring Boot (Microservice) 3. Development based on use cases provided 4. Experience in AWS Cloud/Firebase 5...

    $563 (Avg Bid)
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    23 bids

    GrainChain is looking for a smart, creative, detail-oriented, and experienced web developer to help us relaunch our company website. You must be comfortable working in a fast-paced environment remotely for the duration of the project. The successful completion of this contract will open the door to additional opportunities in the future. You will be the lead developer on this project, working clo...

    $1101 (Avg Bid)
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    60 bids

    I have a gatsby project I'm working on. The front end is pretty much done. However, I need a firebase (or AWS) backend to store my user data - I'd love to work with someone who has integrated firebase to gatsby/React before. I need to accept payments and store various types of user data. You'll need mostly backend experience but some front end React experience. What I'm looki...

    $202 (Avg Bid)
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    9 bids

    Our delivery app should have all the features of the similar app Dunzo. - food order - groceries order - medicines order etc - send an item, driver picks, delivers to another person. There will following interfaces: [login to view URL] app [login to view URL] app [login to view URL] app [login to view URL] Admin Customer Interface: ---------------------- - Signup/Login (OTP) - Search for item...

    $1942 (Avg Bid)
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    28 bids

    Need an API for a iOS and Android app.

    $571 (Avg Bid)
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    36 bids

    Hello There, Looking for a full stack developer as a core team member. We have a dedicated illustrator who does designs. The person I am looking out for will implement these designs. Do the front end and back end implementation. We are a Swedish web and graphics agency that has become a partner of choice for many non profits and organizations. Here are the skills we are looking for. If you lack ...

    $198 (Avg Bid)
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    35 bids

    make the backend of my software.

    $153 (Avg Bid)
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    14 bids

    Build a backend that collects data from an API, save it in time series format, process it using an open source library to extract hundreds of calculated data variables of raw data and save it in dB on real time basis then build an API so that frontend can be connected with it, and each data point can be pulled uniquely from frontend.

    $389 (Avg Bid)
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    3 bids

    I need a developer to build entire backend with database and API, to be used for an application. Backend will include base task, of fetching data from data API, filtering data, storing data to used in application related tasks. Experience building complex data related applications is preferred.

    $785 (Avg Bid)
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    26 bids

    My project is currently working fine but it lacks few functionality that I want to implement 1. Load Infinite scrolling emails not just 20 2. Retrieve Email Attachments and download it 3. Send emails with attachment Please find attached images for an idea. There are so many documentation available on the internet, If one knows reactjs and javascript it will not take more time.

    $29 (Avg Bid)
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    3 bids

    We already have an existing React-Native mobile application and we would like to add an SSO login using Microsoft Azure AD B2C (already existing and running too) Having no experience with SSO integration in general and with Microsoft AD B2C too, we would like to contract out this job. If you are familiar with SSO, redirect URIs, React-Native and all the topics around, please contact me. Thanks ...

    $656 (Avg Bid)
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    17 bids

    THE API NEED TO BE IN TYPESCRIPT Create an API to get quotes from popular movies or famous people. interface Input { search: string // Bill Gates category: 'famous people' | 'movie' // person quantity: number // 2 } interface Output { data: [ // list { // group quote: string author: string category: string } ] } export function getQuotes({input}: Input): Output { // Write...

    $127 (Avg Bid)
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    **** Only for serious applicants! **** (Please share your CV, and your projects portfolio) We’re working on a digital platform idea to simplify the logistics industry. The idea is similar to ([login to view URL]). A full stack developer/engineer is required (as a partner) to work on the idea directly with our team. 3 Months project.

    $600 (Avg Bid)
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    13 bids

    Building a social media app for India. Have build out the basic infrastructure (authentication, firebase setup), and now looking for someone to help finish the app ASAP

    $18 / hr (Avg Bid)
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    56 bids

    Our business operates a B2B inventory management application for Shopify. We are in search of a backend engineer to optimize our API sync with Shopify. The ideal candidate has experience managing multiple api rate limits for many users simultaneously. Primary objectives: *Implement Queuing system for background/long running jobs. *Optimize Shopify API requests to maximize calls per second across...

    $52 / hr (Avg Bid)
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    25 bids
    Website Building 2 days left

    I want to design a website (prototype) which is very similar to food ordering. I am looking for a full stack developer who can work on it in next week. The website is very similar to the swiggy's current version. I would suggest you to take a look before moving forward.

    $191 (Avg Bid)
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    8 bids

    We are building a Job Portal. for that purpose, we purchased Source Code from [login to view URL] [login to view URL] We need to freelancer who is available urgently to start working on this project. First Check demo of Script available. If you yourself fit for this, then only apply. We are in a hurry and don't want time passer. Candidate should be good in Laravel and having strong command ov...

    $25 (Avg Bid)
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    5 bids

    set up and upload project to githib remote from my laptop

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    11 bids

    Be a part of the team, or take it over a contract. It is an Android Social Media applications

    $754 (Avg Bid)
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    4 bids

    **** Only for serious applicants! **** (Please share your CV, and your projects portfolio) We’re working on a digital platform idea to simplify the logistics industry. The idea is similar to ([login to view URL]). A full stack developer/engineer is required (as a partner) to work on the idea directly with our team.

    $114 (Avg Bid)
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    5 bids

    We are looking for a programmer to build a mobile app similar to 21 buttons.

    $1284 (Avg Bid)
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    45 bids
    android app 2 days left

    I need an Android app. I already have a design for it, I just need it to be built. I have design ready and I need someone who can code the design in 7-8 days full android app. This is online medical store app, so it requires all the basic functinality like search filter, singup and login authentication, user dashboard such things, I will give whole details for this once you ready to do it in 7-8 d...

    $157 (Avg Bid)
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    9 bids

    Ищем в команду людей с опытом которые parttime будут вести разработку по проэктам. Направления Ecommerce, CRM. Бюджет +- 200$ за спринт. Сейчас есть два проэкта - один джанго - разрабатывать проэкт уже написанный, И фулл-стэк с нуля. Сразу пишите на какой.

    $529 (Avg Bid)
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    15 bids
    API Integration in React 1 day left
    VERIFIED

    I need to integrate APIs to the already built react app

    $30 - $250
    Sealed
    $30 - $250
    26 bids

    need a experienced app developer with knowledge of backend api's and aws

    $4 / hr (Avg Bid)
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    7 bids

    Hello, We urgently required full-time laravel developer at our location from Surat, Gujarat, India only. If anyone from the given criteria interested please contact us. The developer must require hands-on experience on laravel platform. Thanks

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    14 bids

    **To be eligible first share a link of your work to proof your experience working with html canvas using highcharts in ubidots** Request To develop a dynamic manual entry with 3 fields for a list of 40 predefined variables. You can search about html canvas ubidots to have an idea about the request. Then also I need to prepare a heat map and another specific dashboard from highcharts. My local ...

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    25 bids

    The spreadsheet uses segments, macros and other advanced functions making Excel Online incompatible, there is also no way of converting our spreadsheet into web language because we perform regular updates on it so we must keep hand over our tool. It is therefore imperative that Excel runs on the office application of our server, however we want our customers to have a way to consult this sheet vi...

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    19 bids

    Write "Klaviyo" above your proposal and share your past experience. Need to know Shopify liquid language. Please share your past work.

    $14 / hr (Avg Bid)
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    20 bids

    Im running a website for reservations in hotels and wineries. We are already an affilliate partner of Booking.com. We need to add in our website a search box for the hotels we work with and check availability and reservations of these hotels through web services with the [login to view URL] API. The solution should be search box + backend availabity ([login to view URL] availability through API) +...

    $20 / hr (Avg Bid)
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    53 bids

    Looking for developer with knowledge of google app engine and frontend and backend development to deploy a code base to google app engine

    $166 (Avg Bid)
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    6 bids

    Tester and Code transfer and maintenance for android and ios taxi booking app. App has taxi booking flow just like uber with more features. Like favorite driver, customer can choose there own drivers if they want. And cross referral driver can invite customer and earns some amount of each ride of referee. Its already developed and designed i need it tested and make sure it works on my own serve...

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    I need my website [login to view URL] my Android app uploading and downloading speed was i need to fix that its symfony script tamilnadu developer most [login to view URL] will discuss further.

    $33 (Avg Bid)
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    1 bids

    I'm a mobile developer. Working on food delivery app in android n iOS. Need backend development and admin panel. Backend should have features for - Customer app - Delivery boy - Vendor - Admin Come up with the feature/milestone details, project cost, hosting cost. All the default features of delivery app applicable. I can give the detailed list of requirements if needed.

    $731 (Avg Bid)
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    19 bids

    I need a developer making changes to my Bigbluebutton lobby and the vidconf page, work on mockups and flow as per my requirement.

    $321 (Avg Bid)
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    3 bids

    Job type: project based Project description: Football video analysis system for measuring of player’s reaction time using Kinovea software. We are seeking a software developer for video content analysis that will integrate in a small team of two to five developers, working remotely and in English. You will collaborate with the software architect and product owner to achieve the project&rsqu...

    $28 / hr (Avg Bid)
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    24 bids
    need a WordPress expert 22 hours left
    VERIFIED

    WordPress plugin editing work. Good knowledge of PHP is a must. Long-time project. Employment: 3-4 hours per day.

    $13 / hr (Avg Bid)
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    46 bids
    Android App Development 22 hours left
    VERIFIED

    We’re looking for an Android developer to initially help create an app under my CTO that handles features such as job submission, timesheet management, job status tracking, and so on. Later, we will aim to create a partner app to this first app. All interactions are facilitated by an existing set of REST endpoints on a Python backend hosted on GCP. Both Android and backend architectures emp...

    $13 / hr (Avg Bid)
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    58 bids
    Build me a Website 21 hours left

    Build a simple web-app for mobile wallet with news feed functionality, friends can request and pay money with phone number, email address or username : check reference site : [login to view URL] Added features: check attached file for reference* * Social Feeds * Wallet Balance * Pay with card or Wallet balance * Airtime/Mobile recharge * Bill Payment * Send money * Request money Platforms : W...

    $1723 (Avg Bid)
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    Hi there, we're DesignFiles ([login to view URL]) -- an online interior design project management platform. We’re looking to engage a backend developer with deep SaaS focused experience. This is a contract role and we are looking for individuals that can commit 40+ hours a week to become a core member of our development team. What You'll Do: • Write elegant and expressive Ru...

    $26 / hr (Avg Bid)
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    I need someone to develop a iOS/ android app Which is somewhat similar to tinder app. This is a startup idea.

    $12 (Avg Bid)
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    3 bids
    Custom Gambling Site - 11 hours left
    VERIFIED

    Bid on this if we have previously talked. My reddit username is batteredwife69

    $200 (Avg Bid)
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    1 bids

    -Profesional en Ingeniería de Sistemas o Ingeniería de Software. - Experiencia mínima de 3 años en desarrollo Backend y soporte de sistemas de información. - Experiencia desarrollando Frontend en plataformas Ecommerce. Conocimientos en: - PHP -Vtex - Framework, Laravel o Symphony

    $1029 (Avg Bid)
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    25 bids

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