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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    54 iş bulundu, ücretlendirmeleri EUR

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

    €12 / hr (Avg Bid)
    €12 / hr Ortalama Teklif
    15 teklifler

    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 [URL'yi görüntülemek için giriş yapın] API. The solution should be search box + backend availabity (...

    €18 / hr (Avg Bid)
    €18 / hr Ortalama Teklif
    40 teklifler

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

    €163 (Avg Bid)
    €163 Ortalama Teklif
    4 teklifler

    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...

    €231 (Avg Bid)
    €231 Ortalama Teklif
    6 teklifler

    I need my website [URL'yi görüntülemek için giriş yapın] my Android app uploading and downloading speed was i need to fix that its symfony script tamilnadu developer most [URL'yi görüntülemek için giriş yapın] will discuss further.

    €18 - €148
    €18 - €148
    0 teklifler

    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.

    €274 (Avg Bid)
    €274 Ortalama Teklif
    12 teklifler

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

    €296 (Avg Bid)
    €296 Ortalama Teklif
    2 teklifler

    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...

    €25 / hr (Avg Bid)
    €25 / hr Ortalama Teklif
    21 teklifler
    need a WordPress expert 6 gün left
    ONAYLI

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

    €11 / hr (Avg Bid)
    €11 / hr Ortalama Teklif
    41 teklifler
    Android App Development 6 gün left
    ONAYLI

    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...

    €12 / hr (Avg Bid)
    €12 / hr Ortalama Teklif
    50 teklifler

    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 : [URL'yi görüntülemek için giriş yapın] Added features: check attached file for reference* * Social Feeds * Wallet Balance * Pay with card or Wallet balance * Airtime/Mobile recharge * Bill Paym...

    €1389 (Avg Bid)
    €1389 Ortalama Teklif
    44 teklifler

    Hi there, we're DesignFiles ( [URL'yi görüntülemek için giriş yapın]) -- 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...

    €23 / hr (Avg Bid)
    €23 / hr Ortalama Teklif
    21 teklifler
    Custom Gambling Site - 5 gün left
    ONAYLI

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

    €177 (Avg Bid)
    €177 Ortalama Teklif
    1 teklifler

    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 ...

    €25 (Avg Bid)
    €25 Ortalama Teklif
    3 teklifler

    someone who can develop back end, front end and a browser extension

    €35 / hr (Avg Bid)
    €35 / hr Ortalama Teklif
    5 teklifler

    Hello all I require Android App like " Stepsetgo " Experience developer required to show their skills. I want Front end, Back end to list different projects from time to time. The app should compile with terms & condition of Google Play. Developers who had developed different apps are preferred. Best of luck & Regards

    €704 (Avg Bid)
    Özellikli
    €704 Ortalama Teklif
    4 teklifler

    Hi there,, our company developed recently New App its like media sharing we looking Qualified UI UX designer Front and backend developer for this project experience is better.. Only for indian freelancer ---

    €159 (Avg Bid)
    €159 Ortalama Teklif
    12 teklifler

    Need one devleoper who will be able to handle backend and frontend for Inventory mangement product [URL'yi görüntülemek için giriş yapın] skill required GOLANG/JAVA SPRING/FLUTTER/MONGODB. We are developing the product from scratch all the required modules for managing an Iventory/warehouse : [URL'yi görüntülemek için giriş yapın] catalog [U...

    €638 (Avg Bid)
    €638 Ortalama Teklif
    9 teklifler
    Build a marketplace 4 gün left
    ONAYLI

    I have a wordpress website and I am using the Listeo theme. I want to switch to a faster and more scalable framework (the framework needs to be scalable enough to have the possibility later on to build Android and iOS mobile apps around it, to make the website multilanguage, to allow currencies switch, to be able to host thousands of members and listings, etc...). I have the HTML version of the U...

    €11 / hr (Avg Bid)
    €11 / hr Ortalama Teklif
    24 teklifler

    Hello, you will be required to utilize provided designs to code front end and back end from scratch. Must be 100% complete in 30 days or less. Provide your design and consultation experience. If you are solo or a team. PHASE 1 SCOPE, Goal 30 days (20 week days) or less. Customer Actions: 1. User Settings / Search -Signup / Login -Profile -Search / Filters -View listings -Profile Preferences -...

    €923 (Avg Bid)
    €923 Ortalama Teklif
    25 teklifler

    Hello, you will be required to utilize provided designs to code front end and back end from scratch. Must be 100% complete in 30 days or less. Provide your design and consultation experience. If you are solo or a team. PHASE 1 SCOPE, Goal 30 days (20 week days) or less. Customer Actions: 1. User Settings / Search -Signup / Login -Profile -Search / Filters -View listings -Profile Preferences -...

    €891 (Avg Bid)
    €891 Ortalama Teklif
    20 teklifler

    A sports Android app that can detect people's steps (whether running or walking) and rate and rank people based on their level of activity and tasks, ranking them and showing them on the leader board.

    €1673 (Avg Bid)
    €1673 Ortalama Teklif
    36 teklifler

    A sports Android app that can detect people's steps (whether running or walking) and rate and rank people based on their level of activity and tasks, ranking them and showing them on the leader board.

    €1058 (Avg Bid)
    €1058 Ortalama Teklif
    23 teklifler

    Inviting Android Developers who can develop a card (normal 52 deck cards) game. The rules of the game would be furnished upon discussion over chat. Please bid only if you have experience in developing an android app end to end, including the app's backend.

    €403 (Avg Bid)
    €403 Ortalama Teklif
    10 teklifler
    Stripe Billing API 3 gün left
    ONAYLI

    The Stripe Billing API, is for the backend (PHP Codeigniter) and frontend (iOS). Experience and knowledge about Stripe Billing API, is preferred.

    €143 (Avg Bid)
    €143 Ortalama Teklif
    31 teklifler

    hi, we are looking for a full-stack developer, who can work efficiently upgrading and maintaining a gaming website. The position will be on a contract basis with a long term commitment. the person should have at least 10 years Exp in front and back end of various applications and be also update with the latest trends in the industry.

    €8 / hr (Avg Bid)
    €8 / hr Ortalama Teklif
    9 teklifler

    need an android app like dunzo, Order and deliver items from any outlets not just restaurants. - food order - groceries order - medicines order - pickup any item from customer place n deliver to another customer like courier. Native Android, Firebase backend

    €1502 (Avg Bid)
    €1502 Ortalama Teklif
    16 teklifler
    Backend Developer 3 gün left
    ONAYLI

    I am having these problems with my Backend I need help. [URL'yi görüntülemek için giriş yapın]

    €79 (Avg Bid)
    €79 Ortalama Teklif
    21 teklifler

    I need a sport betting website made: we don't use fiat currency, instead we use a in game virtual currency of a video game, No need for a payment gateway as cash-in/outs are done manually a user can request a cash-in/out and a worker will guide him to trade in game and adds or removes from the users wallet on the website, I need a complete HTML design as well as the back end logic's de...

    €24 (Avg Bid)
    €24 Ortalama Teklif
    2 teklifler
    Online Shopping web portal 3 gün left
    ONAYLI

    A web portal which contain admin dashboard, customer shopping gui. Here UI web portal is ready and we need to develop backend. To implement data model which will have read, write and modify API to DB server. Below are the technology used for frontend development. Admin Dashboard GUI CRA Apollo BaseUI Typescript React Hook Form Shopping GUI ...

    €229 (Avg Bid)
    €229 Ortalama Teklif
    6 teklifler

    Need to implement this project [URL'yi görüntülemek için giriş yapın] 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 implemen...

    €206 (Avg Bid)
    €206 Ortalama Teklif
    3 teklifler

    I have an ongoing project on game development for Android and Ios. I am looking for a Back-end developer to either hire or work as a freelancer for this project. Back-end's tech stack will be PHP and can be further discussed. Along with Back-end I'll also need UI/UX designer who can bring attractive look in the application. Details will be provided.

    €2326 (Avg Bid)
    €2326 Ortalama Teklif
    17 teklifler

    I'm currently working on a data analysis project in Python. I'll need the help of an experienced python developer, especially someone that can work with Pandas, numpy, and matplotlib.

    €339 (Avg Bid)
    €339 Ortalama Teklif
    47 teklifler

    Need to implement this project [URL'yi görüntülemek için giriş yapın] 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 implemen...

    €155 (Avg Bid)
    €155 Ortalama Teklif
    6 teklifler

    Interested in a developer who is well versed in staging a react application on the Google Cloud platform. Deliverables 1. The application will create/modify orders and send the orders to an existing system via a well documented API. I’ll provide the api documentation. 2. The application will store customer data and product related data in Google Cloud. 3. An already created front end dash...

    €155 (Avg Bid)
    €155 Ortalama Teklif
    11 teklifler

    Necesitamos Freelance para colaborar en nuestro proyecto de Visor Smart de duracion minima de 3 meses, siendo posible que se alarge varios meses mas. Buscamos experto en Front-end de mas de 3 años de experiencia acostumbrado a trabajar en proyectos en remoto a través de Jira y que sea proactivo para que una vez conozca la aplicacion aplique y proponga las mejoras necesarias.

    €35 / hr (Avg Bid)
    €35 / hr Ortalama Teklif
    15 teklifler

    developer must have experience in android, aws and php. freshers do not contact

    €150 (Avg Bid)
    €150 Ortalama Teklif
    5 teklifler

    We are a startup looking for a full stack developer located in Sydney for developing a PWA from completed wireframes. Addition UI/UX skills would be a plus. Must be located Sydney, Australia.

    €11 / hr (Avg Bid)
    €11 / hr Ortalama Teklif
    17 teklifler
    data entry 1 gün left

    I need you to fill in a spreadsheet with data.

    €12 (Avg Bid)
    €12 Ortalama Teklif
    177 teklifler
    €1944 Ortalama Teklif
    11 teklifler

    I need to make a dashboard where i can generate some links for surveys to run. Also the status and time should be updated when the survey gets completed. If someone can do so, then let me know.

    €118 (Avg Bid)
    €118 Ortalama Teklif
    4 teklifler

    I need a developer capable of back end, front end and some knowledge of the steam APi. I would like to make a steam skin gambling website. It needs to have the ability to deposit skins (which it would credit money for), withdraw skins and gamble the money in the site. I have no real time frame for this website. An example of a website that you could draw inspiration/copy is rustchance.com. Thanks ...

    €2092 (Avg Bid)
    €2092 Ortalama Teklif
    19 teklifler

    I need my website re-configured in PHP. Some changes are required in backend and front end on urgent basis.

    €19 (Avg Bid)
    €19 Ortalama Teklif
    12 teklifler

    I want to develop an mobile app for ios and android i have the source code ready . All i need customisation and some custom features to be added on it and launch it on the Appstore playstore and deployment in cloud servers . if intrested contact me and i will let you know more information on the project.

    €383 (Avg Bid)
    €383 Ortalama Teklif
    5 teklifler

    Need backed person to develop LMS MODULE Like Admin Questions uplaod Quiz,Mock Practice Test User management etc

    €147 (Avg Bid)
    €147 Ortalama Teklif
    8 teklifler

    Backend by flutter to UI design for IOS, ANDROID and website after that testing it Arabic + English

    €234 (Avg Bid)
    €234 Ortalama Teklif
    14 teklifler

    We have an existing platform and mobile app built with Python and Django framework that is live and running. We are looking for an experienced full-stack developer to work with our current tech stack and adapt our portal to be more suitable for business and commercial use. Currently, it is just used by individual consumers. The work will include adapting our current database structure (to be s...

    €31 / hr (Avg Bid)
    €31 / hr Ortalama Teklif
    59 teklifler
    Shopify Custom Global fields 14 saat left
    ONAYLI

    I'd like to be able to add in my own custom metadata fields to product pages at a global level. A prime example, 'Release Date' - I'd like a dropdown calendar fields on the product edit page, and I can click and select the relevant date that the product will be in stock and ready to ship from. I do not want to be limited by the very few build in fields, as I need a more dyna...

    €162 (Avg Bid)
    €162 Ortalama Teklif
    20 teklifler
    Fully Remote Devs 13 saat left

    Buen día Devs, los estamos buscando, nada nos para y a ti tampoco, con cuarentena/sin cuarentena seguimos a full! Full Stack: Java +React (Sr/Ssr) Front End: React (Sr/Ssr) Back End: Java/Phyton (Sr/Ssr) Que estas esperando? Sumate!

    €11 / hr (Avg Bid)
    €11 / hr Ortalama Teklif
    17 teklifler

    I am creating a web app for Android and IOS with your website, but I have some problems in the backend, according to this document, the requirements that my apps and website should have should be [URL'yi görüntülemek için giriş yapın] I also attached a sheet with the errors to fix https://docs.google.com/spreadsheets/d/1x__ICbzTQ8pu9pbnVqXex3oPLk6yYgjP/edit#gid=11205795...

    €65 (Avg Bid)
    €65 Ortalama Teklif
    14 teklifler

    Önde Gelen Backend Development Topluluk Makaleleri