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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    45 jobs found, pricing in USD

    I search symfony a sénior developer for finalize my web site

    $582 (Avg Bid)
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    34 bids

    Looking for a long term WordPress front end /back end developer who can work in my client [login to view URL] be available to do work 4-5 hour in the USA working [login to view URL] will be a long term working [login to view URL] bidder will get chance to do work in project.

    $2 / hr (Avg Bid)
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    12 bids

    Australian company looking to hire developers on a full time basis to commence working on a Full E-Commerce website (think Amazon, Ebay etc) We are looking for heavily experienced: 1. Designers 2. Front End Developers 3. Back End Developers 4. App Developers You will be hired as a full time employee paid on a full time salary. You will NOT be able to work on other projects on the side. This p...

    $1397 (Avg Bid)
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    48 bids

    The project has to be developed ad backend standalone module in Yii2. Please see the specs in the attached files. We will provide Mockups, DB schema and Excel model in chat to the interentting bidders. Experienced Yii2 developer needed

    $347 (Avg Bid)
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    I need you to develop some software for me. I would like this software to be developed using PHP. Just need to align frontend design to backend and add a video editor to my app source codes are available

    $127 (Avg Bid)
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    6 bids
    website deveopment 6 days left
    VERIFIED

    I need an existing website rebuilt. I need you to design and build my blog.

    $170 (Avg Bid)
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    50 bids

    Job is for one IOS and Android app - Need logo and a few colors and icons changed plus a few new notifications to users. Need developed and updated in app stores to be made live and working smooth. If you can do these things fast and good in front and backend without errors and bugs then we will have more work for you. The IOS app is in xcode still and the Android app is latest version. Looking ...

    $540 (Avg Bid)
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    I want a programmer to analyze and program a website (backend + database) only without front end programming. Database: mysql Platform: laravel Language: php5 mvc Dynamic site. The site is translated into two languages ​​(English - Arabic), translated by a human translator and not a Google translation. Correcting errors in the front end is also required if there are technical errors or missing pag...

    $1143 (Avg Bid)
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    Hello, Currently, looking for Flutter Experts who have experience in creating an app before using Flutter. Project Detail / Requirement: We would like to create a mobile application. Future requirement will be provided in the future once you start working with us. We are seeking a developer for a long term engagement and if everything goes well we would like to continue working with the devel...

    $1433 (Avg Bid)
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    42 bids

    FIGEIT is an e-Marketplace. It has 1. Website for Vendors Technology used: PHP Version 5.6.1 (Laravel framework Version 5.4) 2. Mobile Apps (Android and iOS) for Consumers Android Application: Technology used: Android IDE: Android studio 2.3.3, Programming Language: Java, XML iOS Application: Technology used: iOS IDE: Xcode 8.3.1, Language: Swift 3. Shipment App (Android) for...

    $14 / hr (Avg Bid)
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    5 bids
    App developer for Restaurant 5 days left
    VERIFIED

    I am looking for an expert mobile app developer for Restaurant app. IOS, Android, Check and Fix. Please don't apply unless you have a very good experience.

    $664 (Avg Bid)
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    93 bids
    Membuat Website Katalog 5 days left
    VERIFIED

    Paham menggoperasikan : Front End: Angular JS Back End: Java Spring Boot, Java JDK 8, dan DataBase: Ms SQL Server 2016

    $470 (Avg Bid)
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    We have establied the website and develop many functions. After testing, we got many feedback to imrpove our functions so that we need one expert to wordpress to help us with time-tracker function, admin management function, file upload-download function and others. Target Person: 1 Target Period: 4~5 days Requirements: Familiar with Wordpress and backend, know plugins expertly and combine the fu...

    $457 (Avg Bid)
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    Full Stack Web and Mobile Application Developer We require a developer / developers for a new Web and Mobile App product. Project Requirements: Server: AWS or Digital Ocean Web Front / Back End: open to recommendations Mobile: Hybrid / Cross Platform in either React Native or Flutter or Xamarin Deployment: All web browsers, IOS/Apple Store and Android/GooglePlay Store Business Model: M...

    $5013 (Avg Bid)
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    89 bids

    We promote hip-hop artists online. We create short- and long-term campaigns that deliver videos, singles, albums and brand to listeners, editors, bloggers, curators, writers and DJs, resulting in streams, views, interviews, radio play, posts, and followers. I need a developer or team that can - Create crawlers that pull publicly available data from the internet based on certain criteria, aroun...

    $4386 (Avg Bid)
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    50 bids

    I'm looking to get a bitcoin website built. It will be for me to buy & sell bitcoins. I have a theme for this (admin & dashboard) which u can find here - [login to view URL] What is needed is to integrate the features that I need and custom make the features that I don't have. I also need you to change web design. Referral site: [login to view URL] Customer dashboard of [login ...

    $223 (Avg Bid)
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    15 bids
    Read data from NHC 4 days left
    VERIFIED

    We need to make an app that reads the data gathered by the National Hurricane Center, updates its data automatically, gives detailed information by location and renders a map with the updated data. We do not need a front end integration, just an API with the requirements.

    $530 (Avg Bid)
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    10 bids
    A Techie with time. 4 days left
    VERIFIED

    I’m a techie. I am also a dad of 5. Which means most of my free time is spent being a dad. My problem is that I buy a lot of deals from [login to view URL] and never set them up. My wife complains that I am wasting money, but some of these deals seem to good to pass up. I need your help setting up all these deals I get from AppSumo. I need a techie with time. It’s not that complic...

    $6 / hr (Avg Bid)
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    This is a social travel app This job will require overseeing one employee, so collaboration and ability to speak fluent english is paramount You will have weekly 30min meetings with the team to share progress MUST be able to work on frontend, server, backend and API Main Application Activities: • Sign In • Home • Search • Post • Story • Newsfeed • Profile &bu...

    $419 (Avg Bid)
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    Hi I have a flutter app and I need to make Firestone as storage backend any one knows to do kindly let me know Thanks

    $410 (Avg Bid)
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    I want an android app designed in flutter. Application will be for disaster management where residents of the city will be using this app to receive the warnings for disaster events. App admin will upload the disaster events and then users will those based o their actual location. I want features like push notifications using one signal and location with map and disaster upload facility from a...

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    I need an Android app. I already have a design for it, I just need it to be built.

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    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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    8 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.

    $285 (Avg Bid)
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    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.

    $14 (Avg Bid)
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    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

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    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...

    $558 (Avg Bid)
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    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...

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    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...

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    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...

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    Need an API for a iOS and Android app.

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    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 ...

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    make the backend of my software.

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    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.

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    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.

    $776 (Avg Bid)
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    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.

    $24 (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 ...

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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.

    $611 (Avg Bid)
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    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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    59 bids
    Smart Home Hub 5 days left

    All applicants must sign NDA prior to working on [login to view URL] on a custom smart home hub solution. Raspberry Pie, experience needed. Also would like applicants to have experience with [login to view URL] or Home Assistant. I am looking forward to working with you!

    $22 / hr (Avg Bid)
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    Necesito un programador web back-end que domine php y mysql para crear un sistema web que se conectará a una aplicación móvil. Preferentemente mexicano y dedicado al proyecto (2 meses) Requerimos que todo el back sea en Laravel (php) , el front será (vue.js o react.js o angular.js) a elegir por el programador. El alcance del proyecto a grandes rasgos es el siguiente:...

    $2289 (Avg Bid)
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    Multiplataforma 5 days left

    Sistema que conecte vía REST API tanto a Mercadolibre como a Shopify inicialmente.

    $4152 (Avg Bid)
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    13 bids
    Creazione nuovo sito web 4 days left
    VERIFIED

    Sono alla ricerca di un freelancer per la realizzazione i un sito web utile a fondere i seguenti siti: [login to view URL], [login to view URL], [login to view URL], [login to view URL], [login to view URL] Utilizzando però il nuovo template grafico [login to view URL] NB.: utile avere una dasboard (backend) dove io amministratore posso inserire nuovi annunci, nuovi progetti, nuovi articol...

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