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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    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.

    €63 (Avg Bid)
    €63 Povprečna ponudba
    5 ponudb

    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...

    €2193 (Avg Bid)
    €2193 Povprečna ponudba
    15 ponudb

    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.

    €175 (Avg Bid)
    €175 Povprečna ponudba
    14 ponudb

    The application should be used as a booking system. On the one hand there will be the part for the customer and on the other there will be the version for the supplier. The system must be integrated with a registration / login system via social network or email address. In addition, an automated payment system will be required to apply the fees generated by the use of the application.

    €1624 (Avg Bid)
    €1624 Povprečna ponudba
    26 ponudb
    Full stack 6 dni left
    VERIFICIRAN/A

    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

    €26 (Avg Bid)
    €26 Povprečna ponudba
    6 ponudb
    fix backend problem in android app 6 dni left
    VERIFICIRAN/A

    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 Povprečna ponudba
    14 ponudb

    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.

    €131 / hr (Avg Bid)
    €131 / hr Povprečna ponudba
    56 ponudb

    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.

    €16 / hr (Avg Bid)
    €16 / hr Povprečna ponudba
    45 ponudb
    Help build my app 5 dni left
    VERIFICIRAN/A

    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...

    €5058 (Avg Bid)
    €5058 Povprečna ponudba
    54 ponudb

    Busco una plataforma web parecida a la siguiente: [prijavite se za ogled URL] Que centralice a través de un metabuscador la oferta de cursos de diversos institutos, universidades, etc con un motor de comparación

    €998 (Avg Bid)
    €998 Povprečna ponudba
    14 ponudb
    Website Expert 5 dni left
    VERIFICIRAN/A

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

    €26 (Avg Bid)
    €26 Povprečna ponudba
    15 ponudb
    Prestashop Expert -- 2 5 dni left
    VERIFICIRAN/A

    Front and Backend Help needed

    €28 (Avg Bid)
    €28 Povprečna ponudba
    13 ponudb

    We want you make a website that is possible to login and ordering activity for us. You must use asp.net in your work. Therefore datas must be posted as webservice that datas are written by Ajax. Also you do responsive coding with it. Screenshots are ready now, we will give you these after we received affordable qoute from you. Also in your work, frontend and backend coding have to finish in latest...

    €129 (Avg Bid)
    €129 Povprečna ponudba
    15 ponudb

    Document Management System (Cloud Base)

    €265 (Avg Bid)
    €265 Povprečna ponudba
    5 ponudb

    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 - [prijavite se za ogled URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    €379 (Avg Bid)
    €379 Povprečna ponudba
    8 ponudb
    I need freelancer to work with me 5 dni left
    VERIFICIRAN/A

    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.

    €20 (Avg Bid)
    €20 Povprečna ponudba
    24 ponudb

    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 - [prijavite se za ogled URL] I have more projects like this. Contact me only if you have a strong portfolio and experience in this.

    €154 (Avg Bid)
    €154 Povprečna ponudba
    7 ponudb

    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...

    €513 (Avg Bid)
    €513 Povprečna ponudba
    19 ponudb

    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

    €166 (Avg Bid)
    €166 Povprečna ponudba
    4 ponudb

    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 ...

    €677 (Avg Bid)
    €677 Povprečna ponudba
    47 ponudb
    Build me a website for my blog 4 dni left
    VERIFICIRAN/A

    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 Povprečna ponudba
    38 ponudb
    Help Building a Wordpress Website 3 dni left
    VERIFICIRAN/A

    Hi Freelancers / Agencies, I need help to build a Wordpress website that has the functionality mentioned in this document [prijavite se za ogled 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 comple...

    €162 (Avg Bid)
    €162 Povprečna ponudba
    15 ponudb

    Need the excact same script of this domain [prijavite se za ogled URL] please check these subcategories : [prijavite se za ogled URL] [prijavite se za ogled URL] [prijavite se za ogled URL] [prijavite se za ogled URL] [prijavite se za ogled URL] [prijavite se za ogled URL] [prijavite se za ogled URL] i need fully working functions . do not bid if you cant make the same. also a custom panel as a...

    €125 (Avg Bid)
    €125 Povprečna ponudba
    4 ponudb

    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...

    €544 (Avg Bid)
    €544 Povprečna ponudba
    13 ponudb

    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: [prijavite se za ogled URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Budget to d...

    €147 (Avg Bid)
    €147 Povprečna ponudba
    12 ponudb
    Wordpress Plugin Development. 10 dni left
    VERIFICIRAN/A

    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: [prijavite se za ogled URL] >>> I have mentioned the requirements, in as much detail as possible, please read carefully, then ANSWER: **Budget to d...

    €6 - €300
    Zapečateno
    €6 - €300
    28 ponudb

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

    €29 (Avg Bid)
    €29 Povprečna ponudba
    1 ponudb

    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

    €1015 (Avg Bid)
    €1015 Povprečna ponudba
    4 ponudb

    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.

    €254 (Avg Bid)
    €254 Povprečna ponudba
    8 ponudb

    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

    €45833 (Avg Bid)
    €45833 Povprečna ponudba
    8 ponudb
    Digital bill 2 dni 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..

    €2322 (Avg Bid)
    €2322 Povprečna ponudba
    21 ponudb

    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

    €372 (Avg Bid)
    €372 Povprečna ponudba
    51 ponudb

    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.

    €434 (Avg Bid)
    €434 Povprečna ponudba
    4 ponudb

    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: [prijavite se za ogled URL]

    €989 (Avg Bid)
    Lokalno
    €989 Povprečna ponudba
    13 ponudb
    Single page web app with dice game 1 dan left
    VERIFICIRAN/A

    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...

    €312 (Avg Bid)
    €312 Povprečna ponudba
    17 ponudb

    ¡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...

    €198 (Avg Bid)
    €198 Povprečna ponudba
    8 ponudb

    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...

    €9 / hr (Avg Bid)
    €9 / hr Povprečna ponudba
    11 ponudb
    Small Project Backend development 1 dan left
    VERIFICIRAN/A

    We want to create the back-end for a web-app Βackend functions: The backend is for an e-shop which gives its clients the oppurtunity to choose the products they like and the quantity of each product. The info of the products buyer wants to buy must be writen in a "purchase card". The backend should be able to allow all possible management functions of a purchase card and implementa...

    €46 (Avg Bid)
    €46 Povprečna ponudba
    8 ponudb
    Wed Developer 1 dan left

    I need a new website. I need you to design and build my online store. Looking for an experienced web developer to quickly and efficiently deliver a website!

    €11 / hr (Avg Bid)
    €11 / hr Povprečna ponudba
    55 ponudb

    We are looking for a Brisbane-based web developer for this project, our company is looking at developing a digital platform to store and stream pre-recorded theatre shows in 4k resolution and other videos. It is a membership subscription service that we would like to have integrated with our current website. The timeline for this project is a completion by December 2020, for a launch in January 20...

    €4799 (Avg Bid)
    Lokalno
    €4799 Povprečna ponudba
    15 ponudb

    I'm looking for app developer using React Native. I have no design, but it have to be similiar any App. This is in-app-purchase app. Let's discuss more details on chatting.

    €275 (Avg Bid)
    €275 Povprečna ponudba
    16 ponudb

    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...

    €46 (Avg Bid)
    Zagotovljen
    €46
    0 vnosov

    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: " [prijavite se za ogled URL]...

    €46 (Avg Bid)
    Zagotovljen
    €46
    4 vnosov

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