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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    47 trabajados encontrados, precios en USD

    Hola! Somos una nueva start-up DimeFunding, estamos desarrollando una nueva plataforma de crowdfunding, con la que ayudar a muchísimas personas a hacer realidad sus proyecto o darles la opción de mejorar sus vidas. También facilitamos que las personas que quieren y sienten que deben necesitar a los demás, tengan a un partner de confianza que le ofrezca proyectos con lo...

    $2363 (Avg Bid)
    $2363 Oferta Promedio
    19 ofertas

    Necesitamos que los campos del archivo .xml se vean reflejados (después de ser importados) en una tabla que hay dentro de una web Wordpress. A esta tabla se introducen datos normalmente mediante un formulario, pero necesitamos introducir un número muy grande de entradas del formulario. Por favor que solo contacten personas que hablen español.

    $52 (Avg Bid)
    $52 Oferta Promedio
    8 ofertas

    Hola, quiero conectar un CRM con mi wordpress. El funcionamiento es el siguiente: unos datos determinados del CRM se tiene que mostrar en unas tablas de mi wordpress automáticamente. Por favor contactar solo personas que hablen el idioma español perfectamente.

    $199 (Avg Bid)
    $199 Oferta Promedio
    20 ofertas

    Busco una plataforma web parecida a la siguiente: [iniciar sesión para ver URL] Que centralice a través de un metabuscador la oferta de cursos de diversos institutos, universidades, etc con un motor de comparación

    $1179 (Avg Bid)
    $1179 Oferta Promedio
    16 ofertas

    ¡Hola! Soy un estudiante que esta trabajando en su proyecto terminal. Mi labor es coordinar un proyecto de software hasta entregar una aplicación funcional en la App Store y Play Store, por eso la necesidad de que sea con React Native pero estoy abierto a cualquier otra tecnología que nos lleve al mismo resultado. Actualmente estamos en etapa de de prototipado así que e...

    $211 (Avg Bid)
    $211 Oferta Promedio
    7 ofertas

    I need you to develop some software for me. I would like this software to be developed using PHP.

    $354 (Avg Bid)
    $354 Oferta Promedio
    12 ofertas

    ONLY FOR RUSSIAN SPEAKING (all documentation is in Russian language). TalentMath is looking for Middle/Senior Full-Stack Developer for a new project (about 3-4 month). The project is new so we are consier developers with different technology stack. English is not important. Additional requirements: - Good knowledge of Databases - Experience with AWS - Knowledge of OOP Be sure you have your Re...

    $19 / hr (Avg Bid)
    $19 / hr Oferta Promedio
    5 ofertas

    Hi, I'm looking for a backend JSON API developer for a React Native Project. We have several tasks but it's likely a day or two's work. We would require you to use Slack to message and possibly Zoom as well to voice verify.

    $159 (Avg Bid)
    $159 Oferta Promedio
    41 ofertas

    GDPR requires the implementation of a method that enables detection of documents and datapoints that can be directly connected or related to a specific individual. Our customer (a hosting provider) needs to be able to perform advanced freetext and property searches in thousands of documents stored on their infrastruture by customers.

    $35 / hr (Avg Bid)
    $35 / hr Oferta Promedio
    15 ofertas

    Hi Backend is mainly completed and frontend is 60% completed as well You can complete frontend and backend integration also I prefer who knows the card game "ShiSanShui" and Chinese a little Assets are already ready Please check the video below and only bid if you can complete this project I can provide you backend api document, design and assets Thanks [iniciar sesión para v...

    $466 (Avg Bid)
    $466 Oferta Promedio
    3 ofertas

    The app is in flutter. Backend is in laravel. Need to add more features, hence backend changes required.

    $163 (Avg Bid)
    $163 Oferta Promedio
    3 ofertas

    The app is in flutter. Backend is in laravel. Need to add more features, hence backend changes required.

    $19 (Avg Bid)
    $19 Oferta Promedio
    1 ofertas
    OFFERISH iOs 5 días left
    VERIFICADO

    i have my app developed for android, and i want to have it developed for ios and webpage. its name on playstore is Offerish. its still not 100% done, but majorly done, some features should be added but the idea itself is same.

    $543 (Avg Bid)
    $543 Oferta Promedio
    25 ofertas
    Build a website 5 días left

    A complete educational website for connecting Schools, Teachers and Students virtually during this pandemic. For detailed description, we can connect

    $381 (Avg Bid)
    $381 Oferta Promedio
    12 ofertas
    Full stack 5 días left
    VERIFICADO

    Hello, I need help with my crashed website. Frontend modules got kicked out. settings disappeared. If you know how to set it back to old from 2 days before without backup let me know

    $28 (Avg Bid)
    $28 Oferta Promedio
    6 ofertas
    fix backend problem in android app 5 días left
    VERIFICADO

    So I have a dating app which worked perfectly just recently. However recently the backend stopped working, and therefore the dating app doesn't function well at all. Since the app doesn't "have" a database to communicate to. So something is wrong with the backend. This is an android app.

    $32 (Avg Bid)
    $32 Oferta Promedio
    14 ofertas

    We have to develop totally 7 apps from scratch. Some of them are simple one and some require a high-quality design with complicated functionalities. We want to develop the app one by one so long-term working relationship will be needed.

    $127 / hr (Avg Bid)
    $127 / hr Oferta Promedio
    64 ofertas

    We have to develop totally 7 apps from scratch. Some of them are simple one and some require a high-quality design with complicated functionalities. The design of them are already ready. We want to develop the app one by one so long-term working relationship will be needed.

    $17 / hr (Avg Bid)
    $17 / hr Oferta Promedio
    48 ofertas
    Help build my app 4 días left
    VERIFICADO

    Greetings, I need an app that can process image data. the app will take and image of something in the house that needs repairing such as a broken appliance, a broken window, a leaking roof, chipped paint, leaking pipe etc. then the image must be processed and classified to determine what the item that needs repairing is. It will assess the level of damage if possible and if the damage isn...

    $5524 (Avg Bid)
    $5524 Oferta Promedio
    62 ofertas
    Website Expert 4 días left
    VERIFICADO

    If you know of backups backend and frontend message me for more details

    $28 (Avg Bid)
    $28 Oferta Promedio
    15 ofertas

    Document Management System (Cloud Base)

    $289 (Avg Bid)
    $289 Oferta Promedio
    5 ofertas

    I want someone to develop the backend of a grocery multivendor app. It has 3 ui kits of app- User app , Admin app and delivery app. Link of UI Kit - [iniciar sesión para ver URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    $406 (Avg Bid)
    $406 Oferta Promedio
    9 ofertas
    I need freelancer to work with me 3 días left
    VERIFICADO

    Hi freelancers! As the title says, I need someone to work with me, for low budget, with experience in developing web applications in Java and Spring or PHP. Also knowledge of HTML, CSS, JavaScript and jQuery is required. Knowledge in developing Shopify apps is plus! Please bid if you want to show your experience and get reviews.

    $22 (Avg Bid)
    $22 Oferta Promedio
    27 ofertas

    I want someone to develop the backend of a grocery multivendor app. It has 3 ui kits of app- User app , Admin app and delivery app. Link of UI Kit - [iniciar sesión para ver URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    $180 (Avg Bid)
    $180 Oferta Promedio
    6 ofertas

    Hello, We are looking for professional Woo-commerce (backend) developer who can help integrate delivery system API (all documentation and API will be provided) with our WooCommerce built website. Even better to create delivery plugin for WordPress. Person should have experience with PHP and developed many e-commerce websites especially in Woo-commerce. We need portfolio. All access to built e-com...

    $563 (Avg Bid)
    $563 Oferta Promedio
    19 ofertas

    We need a backend developer to bulid backend for our e commerce android app . Requirements -APIs for posting and fetching data from backend data storage

    $181 (Avg Bid)
    $181 Oferta Promedio
    4 ofertas

    Dear Freelancers, I am looking for a team to help me build a native mobile application for both Android and IOS, I need high-level backend expert who will communicate directly with my and my other teams. Currently, we have Android front-end developers and IOS front end developers and we need a strong backend team to create the necessary backend code for both applications. We will provide all the ...

    $739 (Avg Bid)
    $739 Oferta Promedio
    47 ofertas
    Build me a website for my blog 2 días left
    VERIFICADO

    I want a website built for my blog site. users do not have to sign up or login, they simply subscribe for notifications and and join my email list. it must allow me to post blogs and sort them by latest date and only display 5 per page on the home page

    $4 / hr (Avg Bid)
    $4 / hr Oferta Promedio
    38 ofertas
    Help Building a Wordpress Website 2 días left
    VERIFICADO

    Hi Freelancers / Agencies, I need help to build a Wordpress website that has the functionality mentioned in this document [iniciar sesión para ver URL] Please read the document and reply to the following questions; How much time do you need to complete this project? (Desire 3-5 Days) How much you are going to charge for this project? (Looking for low budget bids) Please only bid if you c...

    $177 (Avg Bid)
    $177 Oferta Promedio
    15 ofertas

    Need the excact same script of this domain [iniciar sesión para ver URL] please check these subcategories : [iniciar sesión para ver URL] [iniciar sesión para ver URL] [iniciar sesión para ver URL] [iniciar sesión para ver URL] [iniciar sesión para ver URL] [iniciar sesión para ver URL] [iniciar sesión para ver URL] i need fully working fu...

    $136 (Avg Bid)
    $136 Oferta Promedio
    4 ofertas

    I need an online store design with custom features • Work: Font-End and Back-End • Ready for future development in line with w3school standards • Design reference: PPT file o The interface: Arabic only • Icons: ready by the customer o The Calligraphy: Cairo Arab o Power Point file show Linking pages: As required by the site's dynamic • Responsive to all screens &bul...

    $598 (Avg Bid)
    $598 Oferta Promedio
    12 ofertas

    I need a plugin, that can be installed to ANY wordpress website with CF7. The plugin should allow my customers to save PDF/Word document after form submission based on the template for each form..It should have the following functionalities: [iniciar sesión para ver URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Bu...

    $160 (Avg Bid)
    $160 Oferta Promedio
    12 ofertas
    Wordpress Plugin Development. 9 días left
    VERIFICADO

    I need a plugin, that can be installed to ANY wordpress website with CF7. The plugin should allow my customers to save PDF/Word document after form submission based on the template for each form..It should have the following functionalities: [iniciar sesión para ver URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Bu...

    $7 - $333
    Sellado
    $7 - $333
    28 ofertas

    Deploy and run license4j floating server into Heroku with specifying the IP address and the port.

    $32 (Avg Bid)
    $32 Oferta Promedio
    1 ofertas

    Hi!, am currently in need of a back-end web developer to work with a front-end developer in building a crypto-currency website to its full functionality. Any suitable back-end technology is accepted

    $1107 (Avg Bid)
    $1107 Oferta Promedio
    4 ofertas

    Mockups will be provided. Need a full stack developer who can create stock price and volume breakout scanner. API access will be provided which will be needed to access real-time prices and further calculations.

    $277 (Avg Bid)
    $277 Oferta Promedio
    8 ofertas

    We are a SaaS bidding construct SW company We are in need for some new solutions like a search tool called an OCR reader and a build a bid solution that will link into the current platform also a UI to connect the pieces together. I will provide more details and timelines

    $50000 (Avg Bid)
    $50000 Oferta Promedio
    10 ofertas
    Digital bill 1 día left

    We want a POS system with digital billing system with few features for the hybrid or cross platform app and in addition a customer facing app with some features like Bill segregation etc..

    $2490 (Avg Bid)
    $2490 Oferta Promedio
    22 ofertas
    Build a website 1 día left

    Need an online assessment website to be built (both front-end and back-end) With functionalities like - Adding Questions - Creating exams - Attending exams - Showing performance Which will be used by - Institute - Teacher - Student - Admin More information will be shared based on your proposal

    $412 (Avg Bid)
    $412 Oferta Promedio
    50 ofertas

    We need a developer to create an app which will have tiktok like UI but will work with other features. To know more about the features message in chat. Budget is fixed so kindly bid accordingly.

    $474 (Avg Bid)
    $474 Oferta Promedio
    4 ofertas

    1.为一家知名设计公司开发官方主页。 2. 只需负责前端和后端技术部分和网站上线,设计内容甲方自行完成,提供设计稿和贴图。 参考网站: [iniciar sesión para ver URL]

    $1079 (Avg Bid)
    Local
    $1079 Oferta Promedio
    13 ofertas
    Single page web app with dice game 8 horas left
    VERIFICADO

    Hi , Looking for a web app with a simple dice game with random generation. I have attached the image for a similar look. Options - Look nice and simple with nice dice roll animations. - The page should be compatible with the mobile and web. - Possible to customize the winning rate in the backend via API for the different options users selected and when the user rolls dice. - There is no backe...

    $340 (Avg Bid)
    $340 Oferta Promedio
    17 ofertas

    Hi I am building Cloud based LMS. Need someone who can develop backend. I got all functionality list in place and clear picture of complete project. Backend Technology: Prisma2 + GraphQL(Apollo Server) Backend : Postgres Language: Node JS Following things completed I designed database schema Project setup done Build some end point already. I need someone who can work under me and deliver thin...

    $10 / hr (Avg Bid)
    $10 / hr Oferta Promedio
    12 ofertas

    I need a Strategy & Plan how to design a debate rooms , chat rooms to have messaging, audio & video streaming services, so that if 4 users would like to video debate each other live and in the same time they can can develop. It will be used for new development for my own mobile apps & web. I need to be self sufficient, independent from messaging, audio & video streaming services p...

    $50 (Avg Bid)
    Garantizado
    $50
    1 participaciones

    I need a Strategy & Plan to design a messaging, audio & video streaming services, so I can develop my own mobile apps & web. So that if 4 users would like to video debate each other live and in the same time they can can develop. I need to be self sufficient, independent from messaging, audio & video streaming services providers like for example: " [iniciar sesión para...

    $50 (Avg Bid)
    Garantizado
    $50
    4 participaciones

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