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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    50 travaux trouvés au tarif de EUR

    We need additional functions to our android and ios project. mp3 download to internet hidden folder in app firebase user tracking statistics customer analytic dashboard with activity + some existing functions need tweaking

    €423 (Avg Bid)
    €423 Offre moyenne
    19 offres

    please visit the site and check the complete pages. this site is currently build on wordpress but now I want in custom site with 3 admin dashboard.

    €11 (Avg Bid)
    €11 Offre moyenne
    2 offres
    Web Interface Trade 6 jours left
    VERIFIÉ

    Admin panel (for users and admins) PHP - Register (Name , email vérification, rank,refreral code) -Login - Buy package With crédits cards payment,paypal,stripe ? If users have buy a package he got a rank (depends of the package he choice) If users have a package he can see some provate pages who normal users can't see -User can open support tickets - reset password - widraw sys...

    €478 (Avg Bid)
    €478 Offre moyenne
    38 offres

    Web UI customization to provide support for the user, admin & It manager dashboards Cloud deployment and Optimizations - to maximize the number of users for 3D data storage & streaming applications - to ensure data security for inbound, stored & outbound data - integration with 3rd party applications Share references of web sites that you have deployed NextCloud for with URL & work...

    €7 - €14 / hr
    €7 - €14 / hr
    0 offres
    Trophy icon SmartKiosk 9 jours left

    I need a mobile weppage(not mobile application). I would like it designed and built. it should be a platform for many restaurant and coffee shop etc.(please refer to a attached pdf file) it need each restaurant menu and each payment account and each admin page, and our company(main controller)would have total management page. and it need to be linked to POS machine(need POS program for each sh...

    €949 (Avg Bid)
    Garanti Meilleur concours
    €949
    1 propositions

    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

    €1374 (Avg Bid)
    €1374 Offre moyenne
    6 offres

    Hi! i want to create Stock Market & Forex Website

    €619 (Avg Bid)
    €619 Offre moyenne
    29 offres

    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.

    €27 (Avg Bid)
    €27 Offre moyenne
    9 offres
    SaaS web app 6 jours left
    VERIFIÉ

    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, ...

    €1140 (Avg Bid)
    €1140 Offre moyenne
    39 offres

    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...

    €2937 (Avg Bid)
    €2937 Offre moyenne
    23 offres
    SwapIt - Barter 5 jours left

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

    €18 - €149
    €18 - €149
    0 offres

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

    €313 (Avg Bid)
    €313 Offre moyenne
    14 offres

    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 Offre moyenne
    8 offres

    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.

    €143 (Avg Bid)
    €143 Offre moyenne
    41 offres

    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 Offre moyenne
    16 offres

    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 [se connecter pour voir l...

    €421 (Avg Bid)
    €421 Offre moyenne
    3 offres

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

    €147 (Avg Bid)
    €147 Offre moyenne
    3 offres

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

    €14 (Avg Bid)
    €14 Offre moyenne
    2 offres
    OFFERISH iOs 4 jours left
    VERIFIÉ

    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.

    €467 (Avg Bid)
    €467 Offre moyenne
    29 offres
    Build a website 4 jours left

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

    €352 (Avg Bid)
    €352 Offre moyenne
    13 offres
    Full stack 3 jours left
    VERIFIÉ

    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 Offre moyenne
    6 offres

    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...

    €2186 (Avg Bid)
    €2186 Offre moyenne
    19 offres

    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.

    €54 (Avg Bid)
    €54 Offre moyenne
    9 offres

    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.

    €183 (Avg Bid)
    €183 Offre moyenne
    22 offres

    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 Offre moyenne
    14 offres

    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.

    €114 / hr (Avg Bid)
    €114 / hr Offre moyenne
    65 offres

    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 Offre moyenne
    51 offres
    Help build my app 3 jours left
    VERIFIÉ

    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...

    €4998 (Avg Bid)
    €4998 Offre moyenne
    63 offres

    Busco una plataforma web parecida a la siguiente: [se connecter pour voir l'URL] Que centralice a través de un metabuscador la oferta de cursos de diversos institutos, universidades, etc con un motor de comparación

    €1064 (Avg Bid)
    €1064 Offre moyenne
    16 offres
    Website Expert 3 jours left
    VERIFIÉ

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

    €25 (Avg Bid)
    €25 Offre moyenne
    15 offres

    Document Management System (Cloud Base)

    €254 (Avg Bid)
    €254 Offre moyenne
    6 offres

    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 - [se connecter pour voir l'URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    €366 (Avg Bid)
    €366 Offre moyenne
    9 offres

    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 - [se connecter pour voir l'URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    €162 (Avg Bid)
    €162 Offre moyenne
    6 offres

    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...

    €534 (Avg Bid)
    €534 Offre moyenne
    21 offres

    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

    €163 (Avg Bid)
    €163 Offre moyenne
    4 offres

    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 ...

    €679 (Avg Bid)
    €679 Offre moyenne
    46 offres

    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 Offre moyenne
    38 offres

    Hi Freelancers / Agencies, I need help to build a Wordpress website that has the functionality mentioned in this document [se connecter pour voir l'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 ca...

    €156 (Avg Bid)
    €156 Offre moyenne
    13 offres

    Need the excact same script of this domain [se connecter pour voir l'URL] please check these subcategories : [se connecter pour voir l'URL] [se connecter pour voir l'URL] [se connecter pour voir l'URL] [se connecter pour voir l'URL] [se connecter pour voir l'URL] [se connecter pour voir l'URL] [se connecter pour voir l'URL] i need fully working functions ...

    €123 (Avg Bid)
    €123 Offre moyenne
    4 offres

    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...

    €529 (Avg Bid)
    €529 Offre moyenne
    13 offres

    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: [se connecter pour voir l'URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Bud...

    €166 (Avg Bid)
    €166 Offre moyenne
    12 offres
    Wordpress Plugin Development. 7 jours left
    VERIFIÉ

    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: [se connecter pour voir l'URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Bud...

    €6 - €298
    Scellé
    €6 - €298
    29 offres

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

    €29 (Avg Bid)
    €29 Offre moyenne
    1 offres

    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

    €999 (Avg Bid)
    €999 Offre moyenne
    4 offres

    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.

    €250 (Avg Bid)
    €250 Offre moyenne
    8 offres

    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

    €45122 (Avg Bid)
    €45122 Offre moyenne
    12 offres

    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)
    Garanti
    €45
    1 propositions

    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: " [se connecter pour voir l&#...

    €45 (Avg Bid)
    Garanti
    €45
    4 propositions

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