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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    22 trabajados encontrados, precios en USD

    Programador que ayude a solventar temas de vulnerabilidades web en nuestros sistemas de blockchain.

    $277 (Avg Bid)
    $277 Oferta promedio
    13 ofertas
    $21 / hr Oferta promedio
    38 ofertas
    Job support usa 6 días left

    Need Java Full stack developer, In my project we use both front end and back end technologies. Must know the how to create pages in front end and must need to know the mapping. Need to rectify the errors in code

    $19 / hr (Avg Bid)
    $19 / hr Oferta promedio
    47 ofertas

    We are creating a gig marketplace platform. We are looking for developers, architects, and UX designers with prior experience in developing similar platforms.

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    17 ofertas
    Android & ios developer 6 días left

    I need a developer who should have good skill of android and ios apps development, i have my existing application i want some work in my application. I will provide all things by chat, when i see the bids on my projects. So please place the bid if anybody interested for ios and android project.

    $387 (Avg Bid)
    $387 Oferta promedio
    44 ofertas
    E commrerce app 6 días left

    Its e commerce type app, we creating this app for our product

    $202 (Avg Bid)
    $202 Oferta promedio
    41 ofertas

    Looking for a PHP developer with experience in react native located in Mumbai It's a contract work for 6 months Looking into small API integrations and maintenance of an app built in react native The developer needs to be located in Mumbai should be able to come to office atleast 2-3 days a week for a meeting or updates

    $1506 (Avg Bid)
    $1506 Oferta promedio
    15 ofertas

    Work needs to be done: - Improve Google Page Speed [mobile (now 22) & desktop (now 66)] - Update Theme, Wordpress (now 5.9.3), PHP (now 7.3.9) plugins etc to the latest version - Improve and fix site health issues - Fix language problems (EN footer on all versions, blogs are not shared across other language versions) - Fix some theme issues (Tatsu) Eg. Blog portfolio archive styles show only 1 style instead of 6. - Clean up site from unnecessary codes and plugins

    $195 (Avg Bid)
    $195 Oferta promedio
    118 ofertas

    I would like to initiate a payment to an external account using the TrueLayer Payment API V3. All I need is for the program to get the response from the '/payments' endpoint. The code needs to be done in JavaScript for my NODE.js back-end.

    $236 (Avg Bid)
    $236 Oferta promedio
    37 ofertas

    We are looking to hire someone to code a simple form to integrate with our CRM system. Our CRM system is called EveryAction and our website is built on Wix. We have a design we'd like to use but need someone with effective coding skills to encode this for us on several pages. There are several other projects we'd like to do on EveryAction which require custom code. Please reach out to us for more details on this project as we are looking to execute this as soon as possible.

    $498 (Avg Bid)
    $498 Oferta promedio
    51 ofertas

    Hi dear, we are developing an app that contains both on demand delivery and marketplace business models in it. we would like to take service regarding detail architect design of our app. Our team will realize coding according to this architectural design. We will work with just senior software architects who already participated in famous on demand and marketplace startups. Price is just indicative. we will determine exact price with selected candidates. Regards,

    $1376 (Avg Bid)
    $1376 Oferta promedio
    54 ofertas

    have to build login system with spring and h2 database

    $19 (Avg Bid)
    $19 Oferta promedio
    10 ofertas


    $486 (Avg Bid)
    $486 Oferta promedio
    67 ofertas
    Document Automation -- 2 3 días left

    Creation of Word file from data in a CSV file.

    $112 (Avg Bid)
    $112 Oferta promedio
    5 ofertas

    Hi everyone, I am representing a startup business who want to launch MVP version ASAP. They want to buy already-made project for multi-player online poker. If you have already built similar one before, we are glad to buy it from you. Is it something you would get interested in? Thank you P.S. If you are able to show live demo, it will be perfect.

    $1364 (Avg Bid)
    $1364 Oferta promedio
    17 ofertas

    Нужно будет сделать регистрацию, авторизацию и рабочую корзину. (php,mysql,openserver). Верстка уже готова.

    $20 (Avg Bid)
    $20 Oferta promedio
    2 ofertas

    We are looking for a decent experienced python developer to work on our internal projects on a long term basis.

    $8 / hr (Avg Bid)
    $8 / hr Oferta promedio
    10 ofertas

    We are looking for passionate lead Django developer to work with the next big thing. You have to build Database/Backend & Rest APIs for the Admin panel. We have already developed Admin Panel Front-End & Mobile App for both iOS, Android. Leader Requirements: * Really good at python 3.x, django 4.x & django rest framework 3.x. * You need to be passionate about what you are doing with your life. * Profound knowledge of GraphQL. * Profound understanding of WebSocket. * Profound understanding of Docker. * No educational background is needed. * Expert at handling Django models and SQL /NOSQL Databases. * Very experienced at deploying Django products to production. * Very good at REST API service development * Minimum 3 years of experience with django. * Working Experience with Vue...

    $2440 (Avg Bid)
    $2440 Oferta promedio
    43 ofertas
    Language learn 17 horas left

    It's a language learning app. We have a Admin panel and we need a devops engineer who can link domain to the panel. We have a domain from GoDaddy. Need to link with the admin panel.

    $11 (Avg Bid)
    $11 Oferta promedio
    3 ofertas

    Please be familiar with american fantasy football and we are looking for someone who speaks english very well so my team can communicate effectively. The projects consist of two parts. You'd be helping my existing team so they can finish this faster. 1) Backend work – currently most of the API calls are already built, but may need you to build a few more along the way 2) Part of this will be integrating it with front end - going to various pages and binding the data

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    68 ofertas

    we are looking for a JHipster developer, who is able to work on Angular work too. You have to have tons of experiences in Java backend (at least 10y), Spring-boot at least 5y and good experiences with Angular (3y+) Please share us screenshots and sample work you have done in JHipster in your bid. Be informed you will be reviewed by developers with over 20y experiences! So be honest and upright to your skills

    $105 / hr (Avg Bid)
    $105 / hr Oferta promedio
    39 ofertas
    Trophy icon CommanDING Tech Challenge: Phase 1 36 días left

    COMMAND DASHBOARD INTEGRATING NEXT-GEN TECHNOLOGY (CommanDING Tech) CHALLENGE: PHASE 1 For more information about the challenge, see the official rules at : Challenge Timeline: June 06, 2022 - Early March 2023 Total Prizes: $1,000,000 USD Phase 1 Start: June 06, 2022 Phase 1 Submission Deadline: July 31, 2022 at 5:00pm ET This challenge is run under the America COMPETES Act. —------------------------------------------------------------------------------------------------------------------ IMPORTANT LINKS 1. Visit the Challenge Repository that contains the challenge resources that will help guide your participation in this challenge: 2. Submit the Registration Form to be eligible to participate in the challenge: 3. On Thursday, June 16 at 10am PT/1pm ET Free...

    $7500 (Avg Bid)
    Destacado Garantizado Sellado Concurso principal
    6 participaciones

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