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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    49 trabalhos encontrados, preços em EUR

    Too many bills scattered across several portals, hard to make timely payments with so many various apps/logins to worry about. What if we could centralize all of your necessary payments into one service? Objective: - Manage subscriptions - Clear and concise overview of all scheduled expenses - Checkout options - One place for all payments - Link your bank account

    €145 (Avg Bid)
    €145 Média
    4 ofertas

    Hi! i want to create Stock Market & Forex Website

    €514 (Avg Bid)
    €514 Média
    24 ofertas

    I need an excellent web developer who an design a private investigator blog. I need an educational website which deals and solves all the Mysticism in the world.

    €16 (Avg Bid)
    €16 Média
    7 ofertas
    SaaS web app 6 dias left
    VERIFICADO

    I want to build an e-procurement system for small and medium manufacturing companies in Brazil. I currently work as a Product Manager at a growth stage startup, so I am familiar with managing agile projects. I expect the applicants to be committed individuals who want to deliver quality work and not come up with excuses for not advancing on the project. From my side, expect much communication, ...

    €1123 (Avg Bid)
    €1123 Média
    34 ofertas

    Hi, Before you go through description, please check Shaadi app on IOS and Android. Requirement is for Matrimony mobile application on iOS and Android. • I am looking for end to end solution I would say complete solution for an application. • Need a simple, quality app with proper error handling, with coding standard followed and secured. • Don’t need lot of features, not al...

    €2537 (Avg Bid)
    €2537 Média
    18 ofertas
    SwapIt - Barter 6 dias left

    I need to develop application which can swap users unnecessary stuff with others without using real time money.

    €18 - €150
    €18 - €150
    0 ofertas

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

    €315 (Avg Bid)
    €315 Média
    14 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...

    €15 / hr (Avg Bid)
    €15 / hr Média
    6 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.

    €144 (Avg Bid)
    €144 Média
    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.

    €32 / hr (Avg Bid)
    €32 / hr Média
    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 [fazer login para ver a URL]

    €423 (Avg Bid)
    €423 Média
    3 ofertas

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

    €148 (Avg Bid)
    €148 Média
    3 ofertas

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

    €17 (Avg Bid)
    €17 Média
    1 ofertas
    OFFERISH iOs 5 dias 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.

    €470 (Avg Bid)
    €470 Média
    29 ofertas
    Build a website 5 dias left

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

    €354 (Avg Bid)
    €354 Média
    13 ofertas
    Full stack 4 dias 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

    €25 (Avg Bid)
    €25 Média
    6 ofertas

    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...

    €2197 (Avg Bid)
    €2197 Média
    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.

    €47 (Avg Bid)
    €47 Média
    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.

    €181 (Avg Bid)
    €181 Média
    21 ofertas

    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.

    €29 (Avg Bid)
    €29 Média
    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.

    €116 / hr (Avg Bid)
    €116 / hr Média
    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.

    €15 / hr (Avg Bid)
    €15 / hr Média
    50 ofertas
    Help build my app 3 dias 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...

    €5034 (Avg Bid)
    €5034 Média
    62 ofertas

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

    €1069 (Avg Bid)
    €1069 Média
    16 ofertas
    Website Expert 3 dias left
    VERIFICADO

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

    €25 (Avg Bid)
    €25 Média
    15 ofertas

    Document Management System (Cloud Base)

    €256 (Avg Bid)
    €256 Média
    6 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 - [fazer login para ver a URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    €368 (Avg Bid)
    €368 Média
    9 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 - [fazer login para ver a URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    €163 (Avg Bid)
    €163 Média
    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...

    €519 (Avg Bid)
    €519 Média
    20 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

    €164 (Avg Bid)
    €164 Média
    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 ...

    €682 (Avg Bid)
    €682 Média
    46 ofertas
    Build me a website for my blog 1 dia 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 Média
    38 ofertas

    Hi Freelancers / Agencies, I need help to build a Wordpress website that has the functionality mentioned in this document [fazer login para ver a 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 can compl...

    €161 (Avg Bid)
    €161 Média
    15 ofertas

    Need the excact same script of this domain [fazer login para ver a URL] please check these subcategories : [fazer login para ver a URL] [fazer login para ver a URL] [fazer login para ver a URL] [fazer login para ver a URL] [fazer login para ver a URL] [fazer login para ver a URL] [fazer login para ver a URL] i need fully working functions . do not bid if you cant make the same. also a custom pa...

    €123 (Avg Bid)
    €123 Média
    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...

    €542 (Avg Bid)
    €542 Média
    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: [fazer login para ver a URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Budget to ...

    €145 (Avg Bid)
    €145 Média
    12 ofertas
    Wordpress Plugin Development. 8 dias 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: [fazer login para ver a URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Budget to ...

    €6 - €302
    Secreto
    €6 - €302
    28 ofertas

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

    €29 (Avg Bid)
    €29 Média
    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

    €1004 (Avg Bid)
    €1004 Média
    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.

    €251 (Avg Bid)
    €251 Média
    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

    €45346 (Avg Bid)
    €45346 Média
    10 ofertas
    Digital bill 14 horas 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..

    €2321 (Avg Bid)
    €2321 Média
    21 ofertas
    Build a website 12 horas 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

    €374 (Avg Bid)
    €374 Média
    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.

    €430 (Avg Bid)
    €430 Média
    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: [fazer login para ver a URL]

    €973 (Avg Bid)
    Local
    €973 Média
    14 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...

    €45 (Avg Bid)
    Garantido
    €45
    1 inscrições

    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: " [fazer login para ver a URL...

    €45 (Avg Bid)
    Garantido
    €45
    4 inscrições

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