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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    25 搜到的工作,价格货币为 HKD

    We have existing B2B /B2C Portal with source code. Project is based upon PHP with Laravel. We are looking for individuals having experience in PHP with Laravel only. Need a few changes in the portal are need.

    $1216 (Avg Bid)
    $1216 平均报价
    17 个竞标

    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.

    $457 (Avg Bid)
    $457 平均报价
    44 个竞标

    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.

    $86 / hr (Avg Bid)
    $86 / hr 平均报价
    10 个竞标

    We’re Raphael and Ulvi from LingYourLanguage, the educational language game ([登录来查看链接]). 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 experience w...

    $140 / hr (Avg Bid)
    $140 / hr 平均报价
    21 个竞标
    Private offer 4 天 left
    已验证

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

    $173 / hr (Avg Bid)
    $173 / hr 平均报价
    14 个竞标
    WSDL expert 3 天 left
    已验证

    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.

    $141 / hr (Avg Bid)
    $141 / hr 平均报价
    37 个竞标
    iOS developer 3 天 left
    已验证

    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.

    $117 / hr (Avg Bid)
    本地
    $117 / hr 平均报价
    62 个竞标

    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...

    $60687 (Avg Bid)
    $60687 平均报价
    57 个竞标

    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.

    $1459 (Avg Bid)
    $1459 平均报价
    4 个竞标

    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 ...

    $26119 (Avg Bid)
    $26119 平均报价
    47 个竞标
    HR application 3 天 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. ...

    $4753 (Avg Bid)
    $4753 平均报价
    40 个竞标

    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...

    $4400 (Avg Bid)
    $4400 平均报价
    38 个竞标

    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 [登录来查看链接] budget is only $50, if you can't do this project with $50, Do not bid. Do not bid India_Pak, Recommend...

    $863 (Avg Bid)
    $863 平均报价
    2 个竞标

    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 [登录来查看链接] update the phone verify function of back end, I need to update several [登录来查看链接] not bid IndiaPak developers. Recommend European developers. Thanks.

    $996 (Avg Bid)
    $996 平均报价
    3 个竞标

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

    $157 / hr (Avg Bid)
    $157 / hr 平均报价
    148 个竞标

    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

    $861 (Avg Bid)
    $861 平均报价
    8 个竞标

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

    $47 / hr (Avg Bid)
    $47 / hr 平均报价
    12 个竞标

    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...

    $1255 (Avg Bid)
    $1255 平均报价
    4 个竞标

    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

    $4196 (Avg Bid)
    $4196 平均报价
    55 个竞标

    I need announcement website. Here is example: [登录来查看链接] 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.

    $5247 (Avg Bid)
    $5247 平均报价
    87 个竞标

    We are starting an e-commerce startup and want to get developed a particular 'feature' in our [登录来查看链接] project would need backend [登录来查看链接] will tell more details later.

    $3381 (Avg Bid)
    $3381 平均报价
    32 个竞标
    Looking for Python & Erlang Expert 15 小时 left
    已验证

    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.

    $1412 (Avg Bid)
    $1412 平均报价
    8 个竞标

    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.

    $821 (Avg Bid)
    $821 平均报价
    11 个竞标

    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 [登录来查看链接] We already have a first version (see mock-up [登录来查看链接]) of the app (coded in Swift, NodeJS and MondoDB) that was tested live with users and received plenty of feedback that will require...

    $228 / hr (Avg Bid)
    $228 / hr 平均报价
    61 个竞标

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

    $1412 (Avg Bid)
    $1412 平均报价
    9 个竞标

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