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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    30 trabajados encontrados, precios en EUR
    Whatsapp Multiagente 3 días left
    VERIFICADO

    Deseo crear una plataforma para servicio al cliente, que se conecte con whatsapp (un solo numero de cara al cliente), pero de cara a la respuesta, tener varias personas que lo puedan atender desde una plataforma, multigestion.

    €843 (Avg Bid)
    €843 Oferta promedio
    9 ofertas
    TOUCH IT 2 días left

    Mi proyecto se basa en una idea de ofrecer seguridad a empresas, edificios(PH), y comercios de forma digital en el cual contará con una app que registrará a cada usuario ya sea con ID o documentos que garanticen sus datos de forma clara y precisa antes de ingresar a las áreas solicitadas

    €16 / hr (Avg Bid)
    €16 / hr Oferta promedio
    15 ofertas
    Document Express 2 días left
    VERIFICADO

    Es un gestor documental basado en microservicios capaz de Almacenar documentos disponibilizando una API al cliente como resultado final.

    €17 / hr (Avg Bid)
    €17 / hr Oferta promedio
    33 ofertas

    Description - 1. Make a simple mongodb and nodejs based backend for a game. 2. Create an admin panel to update data in the database

    €97 (Avg Bid)
    €97 Oferta promedio
    9 ofertas

    User Profiles => Paid Free Free with paid features. Capacity to search for nearby matches. In-app chat with the match. In-app search feature. Select your basic preferences Check other's preferences to find potential matches. Explore all the potential matches and find the best one for you. Integrate a Live Video Chatting Feature. Real-time alerts and In-App Notifications. Find Events &...

    €308 (Avg Bid)
    €308 Oferta promedio
    6 ofertas

    I need someone with API experience To make Smart Lock Management Application with API To make an android and iphone app also to be used by the users See attached documents

    €438 (Avg Bid)
    €438 Oferta promedio
    18 ofertas

    TL;DR: I need a reliable and trustworthy developer to help me with wkhtmltopdf generator installation process. Dear freelancers, it's been a while since I have been using this platform. I hope I will find another reliable developer for a long term project. At the moment I am trying to bring back to life an old website which is using wkhtmltopdf generator version 0.12.1. During the website tr...

    €22 / hr (Avg Bid)
    €22 / hr Oferta promedio
    10 ofertas

    I have android and ios app , And i have requiremnet of removing backgroud image and need image cutout with transparent background. App Api's already built in php. Any backend language s preferrable for this job .Only need single api to remove background of image and send back me cutout with transparent background. Please start proposal with develop key. Thanks

    €24 (Avg Bid)
    €24 Oferta promedio
    3 ofertas

    I’m looking for a full-stack developer who can help me with finish a project. You can find in the project description in the attachment.

    €544 (Avg Bid)
    €544 Oferta promedio
    41 ofertas

    civil construction work राजमिस्त्री के लिए 350/450 रुपये रोज लेबर के लिए 300 / 400 रुपये रोज मिलेगा । फिटर के लिए 400 /500 रुपये रोज फिटर हेल्फर के लिए 300/400 रुपये रोज रिगर के लिए 400/500/600 रुपये रोज रिगर हेल्फर के लिए 300/400 रुपये रोज मिलेगा

    €142 - €426
    €142 - €426
    0 ofertas

    Hi, We are looking for a competent freelancer with Mid Level to Senior expertise in Lavarel Develoer To help us finish our projects. Looking for a long-term working relationship. Regards

    €10 / hr (Avg Bid)
    €10 / hr Oferta promedio
    67 ofertas

    Hi, We are looking for a competent freelancer with Mid Level to Senior expertise in Lavarel /PHP /MySQL. To help us finish our projects. Looking for a long-term working relationship. Regards

    €375 (Avg Bid)
    €375 Oferta promedio
    76 ofertas

    I want a website for betting which will include some games including some live games like cricket. The website should include login and money transaction features. It should be hackproof and should not lag. The person applying for the work should know how to buy the hosting from outside India. Some of the websites for references are here: [iniciar sesión para ver URL] , [iniciar sesi&oacut...

    €425 (Avg Bid)
    €425 Oferta promedio
    6 ofertas

    Hello, I'm looking for someone who can assist in the app i am currently using. I have a large set of artworks, used to make custom pictures of people. Looking for a website where the customer can make their own avatar from my artwork selection. Not just one figure but multiple people on each page as family portraits are the biggest seller. Currently using an app called teeinblue, which ...

    €136 (Avg Bid)
    €136 Oferta promedio
    5 ofertas

    Растущая компания — разработчик программных решений в enterprise сегменте. Мы работаем с предприятиями, чтобы решить сложные задачи по оптимизации процессов. В связи с ростом проектов, ищем хорошего программиста на backend. Обязанности: Проектирование и реализация REST API, web socket channels для SPA-приложений (Node.js). Участие в разработке архитектуры баз данных (Mongo DB), построение з...

    €1688 (Avg Bid)
    €1688 Oferta promedio
    23 ofertas

    Wir sind ein junges Unternehmen und im Bereich Immobilien / Dienstleistungen tätig. Ein neues Projekt soll die Entwicklung und das Betreiben einer Internetplattform sein, auf der Eigentümer ihre Wohnungsangebote (Wohnungen/Stellplätze/Garagen/etc.) potentiellen Interessenten präsentieren können. Vermieter / Eigentümer  - anlegen eines Anbieterprofils, späte...

    €16 / hr (Avg Bid)
    €16 / hr Oferta promedio
    47 ofertas
    Website/app 3 días left
    VERIFICADO

    The web page and app should be made as portal for those who want to rent out unused space, and for those who are looking for storage in their neigbourhood. [iniciar sesión para ver URL] is a self-storage marketplace disruptor that’s creating a sustainable alternative to traditional self-storage. Peer-to-peer storage rental by helping local residents to rent out extra space in and aro...

    €4045 (Avg Bid)
    Acuerdo de Confidencialidad
    €4045 Oferta promedio
    40 ofertas
    Learning Site - DRF 3 días left
    VERIFICADO

    Improvements to the Django DRF + React project. Uploaded to AWS Cloud. Currently in beta testing. 1st project completed & Bug fix in progress. After functional improvement, the mobile version project will be awarded.

    €15 / hr (Avg Bid)
    Acuerdo de Confidencialidad
    €15 / hr Oferta promedio
    10 ofertas

    hi every one, we would like to Create Flutter app its Sport/Entertainment Booking Flutter App with control panal (ios/android) (arabic/english) (with correct and clean coding) kindly preview the Ui below to found all features best regards [iniciar sesión para ver URL]

    €1751 (Avg Bid)
    €1751 Oferta promedio
    111 ofertas
    Shopify design changes 1 día left
    VERIFICADO

    Need to get design fixes done in shopify websites. There are multiple websites which I want you to work on. If you are good with PHP, Laravel, or Code Ignitor then it will be a plus. I will prefer freelancers only. I will supply list of issues in a doc to shortlisted candidates.

    €109 (Avg Bid)
    €109 Oferta promedio
    28 ofertas
    dolibarr Developer 1 día left
    VERIFICADO

    We need timetraker like [iniciar sesión para ver URL] for Dolibarr

    €164 (Avg Bid)
    €164 Oferta promedio
    5 ofertas

    This project is nearly complete and on the final steps before it can be launched on iOS. Looking for a full stack developer with experience developing in xCode, Java / Smartfox Server, and C# / Unity to complete the following tasks: 1. Fix the Apple ID Login Button - button currently opens the Apple ID sign-in popup, but does not create or authenticate the user The only information we need to p...

    €329 (Avg Bid)
    €329 Oferta promedio
    8 ofertas

    Online portal for Mobile Recharge Service Provider All Types Of Recharges (SPECIAL, VALIDITY,3G & FLEXI) Mobile , DTH, Data Card, Insurance, Gas, Electricity Bills, Post-Paid, Prepaid Etc.

    €1964 (Avg Bid)
    €1964 Oferta promedio
    9 ofertas

    We want someone to code the backend of our gaming application and upload it on the server. The task is to help 4 players connect together by sending code and connect and play the game, similar to Ludo Game. The game is developed on Unity, so little bit of knowledge of it would be helpful. You can use any platform to develop the backend.

    €305 (Avg Bid)
    €305 Oferta promedio
    10 ofertas

    As we know that in today’s world every thing gets old very soon, because the crowd want’s something new and something different. With this thought in mind we created an A.R(augmented reality) based social media application called neAR (in which AR represents augmented reality).

    €269 (Avg Bid)
    €269 Oferta promedio
    2 ofertas

    I’m looking for a professional developer who is well experienced with Bing spellcheck Azure API and highly capable to integrate it. All details, Document Apis link will be shared during the finalization of project. Preference will be given to those developer who has already done similar work. Happy Bidding.

    €181 (Avg Bid)
    €181 Oferta promedio
    6 ofertas

    Develop a web app on a topic of your choice using supportive frameworks and technologies. The aim of the project is to research, design, implement and report on relevant technologies related to Web Development for Information Systems. It must involve a complete Inforamtion System solution in the form of a Web App or proof of concept system. Subject areas for this project cover a wide variety of ar...

    €371 (Avg Bid)
    €371 Oferta promedio
    3 ofertas
    REST API Backend 11 horas left
    VERIFICADO

    Es geht um die Entwicklung eines REST API Backend im NestJS Framework für ein CRM System.

    €36 / hr (Avg Bid)
    €36 / hr Oferta promedio
    35 ofertas

    Need integration of some third party plugins, check existing third party plugins and optimize the website as per performance too with A-grade. Detailed SOW will be shared.

    €296 (Avg Bid)
    €296 Oferta promedio
    11 ofertas

    Hello sir, i have in mind a project i want to ask to implement. Contact for details

    €458 (Avg Bid)
    €458 Oferta promedio
    16 ofertas

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