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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    24 công việc được tìm thấy, giá USD

    I need to create the following; 1- a form with several questions 2- based on answers, compute/add up the results and display to the user 3- store the results somewhere for an admin to access.

    $58 (Avg Bid)
    $58 Giá đặt trung bình
    42 lượt đặt giá

    Hello I have one back end code for mobile app and website. But several functions does not work now such as phone verify and push notification etc. It's ongoing project, i need to update several functions more. Recommend European Developers and Full time developers. Thanks.

    $11 / hr (Avg Bid)
    $11 / hr Giá đặt trung bình
    9 lượt đặt giá
    Developer needed for LingYourLanguage.com!! 5 ngày left
    ĐÃ XÁC THỰC

    We’re Raphael and Ulvi from LingYourLanguage, the educational language game ([đăng nhập để xem URL]). We’re looking for an enthusiastic developer who would like to take part in a major update for the game. We've added lots of educational content and are looking to add a lot more, as well as make important changes to the game's logic. We are looking for someone who has good...

    $18 / hr (Avg Bid)
    $18 / hr Giá đặt trung bình
    19 lượt đặt giá
    Private offer 4 ngày left
    ĐÃ XÁC THỰC

    This is the personal job to my engineer 25$ / h for 2 week total 2000$ Please do not apply.

    $22 / hr (Avg Bid)
    $22 / hr Giá đặt trung bình
    14 lượt đặt giá
    WSDL expert 4 ngày left
    ĐÃ XÁC THỰC

    I am looking for a wsdl expert to create one web service. If you did do well, it will be an opportunity for the long term relationship.

    $18 / hr (Avg Bid)
    $18 / hr Giá đặt trung bình
    37 lượt đặt giá
    iOS developer 4 ngày left
    ĐÃ XÁC THỰC

    I have a graphic design background. I wish to set up a platform on iOS and later on move into android. All elements are designed by me. I'm looking for a developer to code the assets I provide. Looking for a developer in Vancouver, BC, Canada.

    $15 / hr (Avg Bid)
    Địa phương
    $15 / hr Giá đặt trung bình
    62 lượt đặt giá

    Seeking mobile developer who has deep knowledge about general AI and can integrate it into a mobile classifieds app (for more than just buying and selling). The app is a search engine for anything and everything - from products to services to events to mobile apps/software. The project will require a full-stack developer, however the main expertise will need to be experienced back-end/AI progr...

    $7737 (Avg Bid)
    $7737 Giá đặt trung bình
    57 lượt đặt giá

    Hello I have one back end code for mobile app and website. But several functions does not work now such as phone verify and push notification etc. It's ongoing project, i need to update several functions more. Do not bid India_Pak, Recommend European Developers and Full time developers. Thanks.

    $186 (Avg Bid)
    $186 Giá đặt trung bình
    4 lượt đặt giá

    We are seeking for a company that can already have a POS system working that can easily connect to kitchen and the waitress tablet along with printing abilities and tested hardware with the proper supplier. Your system should be mature and flawless without bugs. We can work in 2 way, one we can buy your codes out right and you support us or 2 we can build a subscription base on a monthly. Only ...

    $3330 (Avg Bid)
    $3330 Giá đặt trung bình
    47 lượt đặt giá
    HR application 3 ngày left

    I need an iPhone app. I would like it designed and built. + all needed backend programming/ admin/ dashboards, HR application. features: * Candidate - sign up / login - Uplod documents - follow up order process - payment - inApp chat controlled system . * Employer: - Signup / Login - Browse , sort and view database . - request a file FULL view + payment + all other main features. ...

    $610 (Avg Bid)
    $610 Giá đặt trung bình
    39 lượt đặt giá

    I need a new website. I need you to design and build a website for my small business. it is for (COLLECTING DATA) , data means Cvs, at first stage. for only Medicals & Specialists) we can call it (Web-Database) Website Purpose: The website main goal is to be the largest and main place to share and post experience in form of CV and a small form in the web . for all Medical candidates whos...

    $561 (Avg Bid)
    $561 Giá đặt trung bình
    38 lượt đặt giá
    Looking for high skilled python developer 2 ngày left
    ĐÃ XÁC THỰC

    Hello I have one back end code for mobile app and website. This code was built in Python. But several functions does not work now such as phone verify and push notification etc. It's ongoing project, After complete the phone verify function, i need to update several functions [đăng nhập để xem URL] budget is only $50, if you can't do this project with $50, Do not bid. Do not bid India_P...

    $110 (Avg Bid)
    $110 Giá đặt trung bình
    2 lượt đặt giá
    Looking for High Skilled Python Expert 2 ngày left
    ĐÃ XÁC THỰC

    Hello I have one project was built in Python 3.* for mobile apps(iPad,iPhone, Android), but several functions does not work now. for example, phone verify, push notification etc. It's ongoing [đăng nhập để xem URL] update the phone verify function of back end, I need to update several [đăng nhập để xem URL] not bid IndiaPak developers. Recommend European developers. Thanks.

    $127 (Avg Bid)
    $127 Giá đặt trung bình
    3 lượt đặt giá

    We are developing a Web and Mobile (IOS & Android) application

    $20 / hr (Avg Bid)
    $20 / hr Giá đặt trung bình
    148 lượt đặt giá

    We are seeking for someone that has the code to validate emails. Similar to these website: Zerobounce QuickEmailVerification MyEmailVerifier Xverify LLC EmailMarker Nojunk EmailListVerify MailboxValidator TheChecker EmailVerifier it must verify the following Domain and SMTP validation Syntax verification Catch-all domains checking MTA validation MX records validation Hard bounce checking

    $110 (Avg Bid)
    $110 Giá đặt trung bình
    8 lượt đặt giá

    We are looking for development guide expert for us. It is long term position if you are expert. Thank you

    $6 / hr (Avg Bid)
    $6 / hr Giá đặt trung bình
    12 lượt đặt giá

    Parallel Work Stream in Cloud Computer Service (cluster for cloud platform) (50$) Hello! Thank you for having interest in this topic. I've used some Cloud Server Computer service in Google Cloud, and Amazon's Amazon Workspace. and I happened to know that I can even run multiple cloud computers in these platforms and service. But I'm still not very familiar it and experienced w...

    $160 (Avg Bid)
    $160 Giá đặt trung bình
    4 lượt đặt giá
    PHP or HTML5 CMS Backend with firebase DB 1 ngày left
    ĐÃ XÁC THỰC

    build Backend CMS with firebase db ... import/ export data real-time users dashboard notifications management etc.. admin roles data imoort export from xls an json search must be fully functional CMS with modern interface thanks

    $535 (Avg Bid)
    $535 Giá đặt trung bình
    55 lượt đặt giá

    I need announcement website. Here is example: [đăng nhập để xem URL] In this website users can post a announcement without registration. I want website like this. Website should be dynamic and will work without any error or problem. I looking for experienced and professional developer Don't give importance budget, place your bid.

    $669 (Avg Bid)
    $669 Giá đặt trung bình
    87 lượt đặt giá

    We are starting an e-commerce startup and want to get developed a particular 'feature' in our [đăng nhập để xem URL] project would need backend [đăng nhập để xem URL] will tell more details later.

    $431 (Avg Bid)
    $431 Giá đặt trung bình
    32 lượt đặt giá
    Looking for Python & Erlang Expert 22 giờ left
    ĐÃ XÁC THỰC

    looking for backend developer experienced in python & erlang. you should have experienced in websocket. Also you should have front-end skill. i'll provide details via PM.

    $180 (Avg Bid)
    $180 Giá đặt trung bình
    8 lượt đặt giá

    We are seeking for an expert that understands why emails get banned and what we can do to get our domain out of the black list.

    $105 (Avg Bid)
    $105 Giá đặt trung bình
    11 lượt đặt giá

    CONTEXT We are launching a startup about a marketplace that will link influencers and businesses willing to promote themselves on social media. We already have a tailor-made website that you can visit on [đăng nhập để xem URL] We already have a first version (see mock-up [đăng nhập để xem URL]) of the app (coded in Swift, NodeJS and MondoDB) that was tested live with users and received plenty of ...

    $29 / hr (Avg Bid)
    $29 / hr Giá đặt trung bình
    61 lượt đặt giá

    looking for backend developer experienced in python & erlang. you should have experienced in websocket. i'll provide details via PM.

    $180 (Avg Bid)
    $180 Giá đặt trung bình
    9 lượt đặt giá

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