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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    39 jobs found, pricing in USD

    Hi, every one I am going to add 3 pages on a existing wp website The 3 pages are really similar, but I need completed pages with backend I need someone who has experiences in developing Chinese website and also in both Mobantu-Modown theme, table wp plugins This is my website [login to view URL] I need 3 similar pages from below [login to view URL] Check attachment

    $153 (Avg Bid)
    $153 Avg Bid
    13 bids
    Ruby on Rails Developer 6 days left
    VERIFIED

    We are looking for a Ruby on Rails developer co-founder for our tech startup. Experience with databases is required. Thanks!

    $1143 (Avg Bid)
    $1143 Avg Bid
    4 bids

    Hi, every one I am going to add 3 pages on a existing wp website The 3 pages are really similar, but I need completed pages with backend I need someone who has experiences in developing Chinese website and also in both Mobantu-Modown theme, table wp plugins This is my website [login to view URL] I need 3 similar pages from below [login to view URL] Check attachment

    $117 (Avg Bid)
    $117 Avg Bid
    13 bids

    Deliverable: Development of server side component for communicating with the Concox GPS devices – involving full protocol implementation and post-processing of data received. Good fit for job: Someone who is aware of client-server protocol development using Java

    $208 (Avg Bid)
    $208 Avg Bid
    1 bids

    I need an existing Code or API. I don't have time for trial and error :) If you have an API, please provide the link. If you have the Code already done. Then I will purchase the Source Code. Kindly place your bids if you have the requirements.

    $40464 (Avg Bid)
    $40464 Avg Bid
    17 bids

    App and website are already developed but not ideal. Need someone based in Singapore to take over development and maintenance.

    $25 / hr (Avg Bid)
    Local
    $25 / hr Avg Bid
    17 bids
    PAYMENT GATEWAY 5 days left

    We need frelancer that already have experienced in make payment gateway system like midtrans or doku in indonesia. Please bid this project if you have experienced work this project before

    $1533 (Avg Bid)
    $1533 Avg Bid
    22 bids

    Full details of the project are included in the attached file. We will ignore automated bids. We will require interested parties to submit a plan on how they will go about delivering the project.

    $42305 (Avg Bid)
    $42305 Avg Bid
    32 bids

    hello, I need a booking page in my wix website, Full website is created just need one booking page. I will provide the reference site, It must be a multistep booking in which when a person select a service price automatically increase

    $18 (Avg Bid)
    $18 Avg Bid
    3 bids
    PHP Web Developer 5 days left
    VERIFIED

    NearshoringID is a startup based in Bali, Indonesia that focuses on providing end-to-end solutions for companies based in Europe, Australia, and the U.S. We are looking for talented PHP Web Developers for a full-time OR freelance position, are you ready for a new challenge and grow professionally? Apply! Qualifications - Minimum of 2 years of experience as a PHP backend developer, and Jav...

    $2046 (Avg Bid)
    Local
    $2046 Avg Bid
    9 bids

    Need geo location redirects between USA and Canada. (Wordpress sites) Is it possible to detect IP address and redirect user to local specific website?

    $437 (Avg Bid)
    $437 Avg Bid
    34 bids

    I need an iPhone app. I would like it designed and built.

    $1373 (Avg Bid)
    $1373 Avg Bid
    16 bids
    3D model website development 4 days left
    VERIFIED

    I am looking for the PHP developer that have 3D website experience. There is a system like attached image, there is a Viewer in ThreeJS but we couldn't create the login authentication and billing parts. need to add these functions. Actually, the current Web system was made of Python, but the in-house Web engineers are generally familiar with PHP, so we want to use PHP for easy maintenance of...

    $500 (Avg Bid)
    $500 Avg Bid
    10 bids

    We need a custom booking system primarily for our own cleaning company. Please see [login to view URL] All red-marked functions are not part of this project.

    $4260 (Avg Bid)
    $4260 Avg Bid
    89 bids

    There is a service created internally The purpose is to make it online and make it public. I am looking for a PHP engineer who can build authentication, billing and infra construction. Since there is a demo page of the service itself, I think it will follow the image of its design. is it possible to ask for design together? ◾️ System contents The service itself is content creation and download....

    $545 (Avg Bid)
    $545 Avg Bid
    10 bids
    I need an app designer 3 days left
    VERIFIED

    We are looking for an app that will allow sellers to upload a picture of their item and list it for sale. We would like the functionality of taking a particular commission from each sale. We would like a very light, clean and minimal aesthetic - with just a search bar in the centre and our brand logo at the top

    $3449 (Avg Bid)
    Local
    $3449 Avg Bid
    53 bids
    Hellocaveat.com 3 days left

    I need you to design and build a website for my business. We’re generally looking for talent that can work with us on web design and development projects for client engagements as well.

    $50 / hr (Avg Bid)
    $50 / hr Avg Bid
    39 bids

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $295 (Avg Bid)
    $295 Avg Bid
    17 bids

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $158 (Avg Bid)
    $158 Avg Bid
    10 bids

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $181 (Avg Bid)
    $181 Avg Bid
    10 bids

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $516 (Avg Bid)
    $516 Avg Bid
    22 bids

    I need an iPhone/iPad/Android app. I would like it designed and built. It is a fairly simple idea for a niche market. Users would be able to drop pins and leave comments for others to find and utilize and leave their own comments, maybe even a tips and training area with links to outside sources. I would like the app free to use with ads generating revenue. I would like to discuss using a percenta...

    $646 (Avg Bid)
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    5 bids

    I need to build a back side for flutter application, pretty simple one, but it has some interesting logic

    $447 (Avg Bid)
    $447 Avg Bid
    20 bids

    Want to execute a 3 year long term project - Mobile app development (Android and ios) and Web application development using Java and high performance backend tools. Need full stack java developers Mobile app developers Need to start the project by next week and hence would be interviewing the folks and choose 3 candidates to execute. Please bid only if you will be available between 9AM IST to ...

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    76 bids
    Math site like projecteuler 1 day left
    VERIFIED

    I need a new website. I need you to design and build a website for my small business.

    $157 (Avg Bid)
    $157 Avg Bid
    12 bids

    Hey there, we want to automate our invoicing process a bit more. So we got the following: Ticket-System called "OTRS" (Data can be queried via PostgreSQL) ERP for Invoicing called "dolibarr" (Data can be posted via REST-API) What has to be done: Build a Dashboard that we can select articles from the ticket-system, get additional information from the ERP-REST-API, create the ...

    $220 (Avg Bid)
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    11 bids

    It’s a Bikesharing, I want to backend connectivity

    $490 (Avg Bid)
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    15 bids

    Wear4Weather is a newly formed startup project with clearly defined goals, capable team in place and future service applicable to many different markets. The service is called Wear4Weather which is a digital platform that provides clothing suggestions, based on weather forecast, to different user groups. It calculates feels like temperature and based on this information suggests appropriate clothi...

    $1289 (Avg Bid)
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    30 bids

    I need an Android app. I would like it designed and built. It's swiggy like application which has for modules customer, vendor, delivery boy and admin ...In which admin module is web application and other 3 are android app..It's a multivendor app.... Only for pune location

    $757 (Avg Bid)
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    36 bids
    A copy of website 20 hours left
    VERIFIED

    I need to build a copy of an existing website with all functions and an easy admin panel

    $489 (Avg Bid)
    $489 Avg Bid
    50 bids

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend maximum working period 10 days maximum budget 200$ and please don't contact me if your price and timeline line not simila...

    $673 (Avg Bid)
    $673 Avg Bid
    23 bids
    Android App and iOS application 19 hours left
    VERIFIED

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend i will choose who give me last price and short working period,the project will pay as below: 10% deposit 15% upon deliver comp...

    $441 (Avg Bid)
    $441 Avg Bid
    20 bids
    Android App and iOS app 19 hours left
    VERIFIED

    I want Arab Developer to develop Mobile App for iOS and Android, the app idea is project feedback as below: Engineers login to upload projects photos and project status Customers login to track project status and photos and send feedback Admin login Admin panel API backend i will choose who give me last price and short working period,the project will pay as below: 10% deposit 15% upon deliver comp...

    $22 (Avg Bid)
    $22 Avg Bid
    7 bids
    New Cloud Accounting Software 17 hours left
    VERIFIED

    Back-end interface with HMRC (UK) required like other cloud / apps for payroll and self assessment functionality. This is a minimum price posted for the project as it is likely that the project scope expands vastly. More details on current scope will be explained once the project is awarded. I would be keen to hear from people that have worked on developing softwares such as Self Assessment an...

    $3446 (Avg Bid)
    Local
    $3446 Avg Bid
    16 bids

    We need a custom booking system primarily for our own cleaning company. Must be able to integrate with Zapier and also provide a widget for integration with existing website. Ideally built on AWS so we can scale in the future. Please see a draft of requirements in the attached file. There will be more functions and the document will be better structured later on.

    $4953 (Avg Bid)
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    81 bids
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    13 bids

    We are looking for Java Spring Security Developer for longterm working . Must be Experienced with Gradle Build. We have some corrections and improvements need to be done in the backend.

    $6 / hr (Avg Bid)
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    20 bids

    ayni back end servisle calisacak hem web sitesi hem de iOS uygulamasınn entegreli calisacak bir proje yapmak istiyorum.

    $341 (Avg Bid)
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    5 bids

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