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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    38 trabajados encontrados, precios en EUR

    I need an existing website rebuilt. I already have a design, I just need you to build a website for my small business.

    €98 (Avg Bid)
    €98 Oferta Promedio
    8 ofertas

    Ho bisogno di un codice che prelevi i dati dell' app Wix Restaurant Reservations e li mostri sul sito wix, dal quale posso poi interagire con le altre funzionalità. Non riesco a prelevare l'access token dell'API Wix Restaurant. Mi riporta un codice di errore 400.

    €49 (Avg Bid)
    €49 Oferta Promedio
    1 ofertas
    Dating app 6 días left

    A dating app like tinder Develop an iOS and Android app with backend on AWS Support 10k DAU

    €3952 (Avg Bid)
    €3952 Oferta Promedio
    39 ofertas
    Online 3D viewer 6 días left
    VERIFICADO

    3Dnow by Studio Keret Outcome: A webpage which will allow the users to upload a 3D file format, input an email address and a description and send it. The receiver will be able to view the file with an online viewer (which includes zoom in/out and orbit) for 5 days and download it. Project already has a conceptual graphic design. Requirements: Upload page An upload module Form with sender name, se...

    €489 (Avg Bid)
    Acuerdo de Confidencialidad
    €489 Oferta Promedio
    7 ofertas
    GraphQL custom script 6 días left
    VERIFICADO

    I need to create a graphQL script that will scrape posts and store in database

    €15 / hr (Avg Bid)
    €15 / hr Oferta Promedio
    19 ofertas

    I need a iOS developer to work on an existing project I need to change the backend, the code source is available

    €145 (Avg Bid)
    €145 Oferta Promedio
    11 ofertas

    I have a custom recurring payment gateway flow [iniciar sesión para ver URL] I need to integrate to this workflow the affiliateWP system, so people can share its unique link and earn money based on the suscription flow in [iniciar sesión para ver URL] This is the plugin [iniciar sesión para ver URL], and it works for Woocommerce product, but I need to make it work for my rec...

    €407 (Avg Bid)
    €407 Oferta Promedio
    15 ofertas
    kids tracking system 5 días left
    VERIFICADO

    I need someone to integrate my android & ios app with tracking system : Integrate with kids smart watches: To integrate our mobile app. With some types of kids smart watches to : a. Monitor the watch location. b. Receive alerts from the watch when: i. Kids push on the SOS button (on the watch itself) ii. Kids is out of the defined safety zone (geofencing) c. Call the watch using app. And recei...

    €3014 (Avg Bid)
    €3014 Oferta Promedio
    18 ofertas

    I am a senior engineer ,stuck in my graduation project , I wanna help but not from scratch , I did pretty much somethings in the android app but need someone to complete my work in good way , its pharmacy system app to make orders

    €16 (Avg Bid)
    €16 Oferta Promedio
    7 ofertas

    بناء نظام لادارة مجمع طبى مكون من اكثر من 12 عيادة ومختبر طبى واشعه وصيدليه ومخازن واستقبال وحسابات وموارد بشريه

    €1929 (Avg Bid)
    €1929 Oferta Promedio
    5 ofertas

    We want to design a single front end page as per our requirement. The UI/UX design graphics and wireframe will be given by us. Additionally, whatever the API is sending needs to be displayed on the front end. We are looking for a professional with relevant experience/understanding of Full Stack development and should be able to deliver the full Stack deliverables as per expected quality. What wi...

    €91 (Avg Bid)
    €91 Oferta Promedio
    10 ofertas

    Dashboard:

We need to make a dashbaord to upload Photos and Videos in it and the specifications are as follows:
 1. It should interact with AWS to store the data 2. Ability to upload data from the backend which will be filtered under different sub sections and categories. 3. There should be an option to create a new section/project under which the media data needs to be uplaoded. 4. It also shou...

    €262 (Avg Bid)
    €262 Oferta Promedio
    11 ofertas

    We are looking for a skillful backend developer who can complete 20+ things for troubleshooting perfectly on time and work to add more functionalities to our app for a final goal. A skillful backend developer who can work full-time will be preferred for ongoing tasks. It would be great if you are familiar with iOS and Android app development as well.

    €1038 (Avg Bid)
    €1038 Oferta Promedio
    77 ofertas

    I am seeking a talented back end developer to join our quest for world domination! Long term full time commitment, minimum 2 months. ---------------------- I have existing project. First you have to install it on my local via remotely. ----------------------- You will be part of a small team of developers. Level of experience will be considered, but is not the most important, as long as you&rsquo...

    €16 / hr (Avg Bid)
    €16 / hr Oferta Promedio
    6 ofertas

    We are looking for a Full Stack Developer Python developer to join our engineering team and help us develop and maintain the Challenger systems. Full Stack Developer responsibilities include writing and testing code, debugging programs and integrating applications with third-party web services. To be successful in this role, you should have experience using server-side logic and work well in a te...

    €436 (Avg Bid)
    €436 Oferta Promedio
    23 ofertas

    Need a Backend for the game Need to store following Data Player ID : This i will provide, so you have to give me a api for it.(Google and fb part : they send an token id that would be our player id) Username : This should be uniques and should be of 8 characters including numbers Profile Picture : Here we shave to choose option from 1to16. Coins : Our Game coins Balance Gems : Our Game gems Balan...

    €120 (Avg Bid)
    €120 Oferta Promedio
    4 ofertas

    Gameflow (Norwegian esports startup) is seeking a talented back end developer to join our quest for world domination! Long term full time commitment, minimum 10 months. You will be part of a small team of developers. Level of experience will be considered, but is not the most important, as long as you’re really good with the Kotlin/Spring Boot stack. And of course, you must be up for a chall...

    €12 / hr (Avg Bid)
    €12 / hr Oferta Promedio
    1 ofertas

    we have already developed website and ios, android app need a person for more updation

    €2383 (Avg Bid)
    €2383 Oferta Promedio
    24 ofertas

    Urgent job: We want to update our current VPN service software suite frontend and also backend (setting up exit nodes). Looking for a fullstack developer or a firm who can perform this urgently. Skills that we look for: *OpenWRT Python Javascript CSS HTML Makefile PHP IPV6 The applicant has to sign NDA. We will conduct interviews with Interesting candidates. With a successful ...

    €2407 (Avg Bid)
    Destacado Urgente Acuerdo de Confidencialidad
    €2407 Oferta Promedio
    47 ofertas

    1) Would like for users to be able to withdraw funds to verified bank account. 2) Users will submit withdrawal request via in App. 3) Users can see all completed withdrawals in transaction history. 4) Admin should be able to see withdrawal request in admin page. *would like for this to be completed in 5 days or less.*

    €470 (Avg Bid)
    €470 Oferta Promedio
    8 ofertas

    I need to build a marketing platform where every user will be able to post pivtures and videos that will be available not only to people who follow them but to everybody that use the platform. We will just give the users the chance to choose their favorites topics. It will appear like the for you page of tik tok and on the other side will be all the pics and videos that have been posted . I also w...

    €1149 (Avg Bid)
    €1149 Oferta Promedio
    52 ofertas

    We are a startup in the very early pre-launch stage that is looking for a technical engineer to be a cofounder, based on equity only. The platform is focused on health tech and the development is almost complete but requires a professional and experienced tech engineer to finalize and ensure the MVP is in line with the objectives of the startup. US-based tech engineers are highly recommended, but ...

    €8 / hr (Avg Bid)
    €8 / hr Oferta Promedio
    6 ofertas

    Need a Clicdata expert to Design, develop and maintain multiple dashboards from payment data. The dashboard and data connectors have been built, We just need tweaks and modifications, and sometimes new sections created.

    €2679 (Avg Bid)
    €2679 Oferta Promedio
    3 ofertas

    I have a grocery app with larvel backend I need to add city wise head login and relation shipmanager login for each store

    €166 (Avg Bid)
    €166 Oferta Promedio
    41 ofertas

    Looking for an experience mobile app developer to complete work on a booking app. The app is currently about 60% complete with the exception of some bugs and features. The ideal candidate would be self motivated and keen to contribute their expert advice and ideas to the team. The hiring team is open to offering hourly or a fixed rate to complete the project A long time role may be offered at the ...

    €369 (Avg Bid)
    €369 Oferta Promedio
    26 ofertas

    I need a script that allows me to manage the logistics of my packages and my truck drivers Control panel: - Admin - User - Drivers - Empoyer - Driver route insertion from: to: (google maps) with calculation of kilometers of delivery points - Map with delivery points, Route calculation (google maps) - shipping calendar etc ... There is a ready script (Backend only) for 20 USD, and you could...

    €134 (Avg Bid)
    €134 Oferta Promedio
    14 ofertas

    I am in the process of building a simple MVP (minimum viable product) trading website for users. This website will have a simple interface where users would log in, use a bot trading engine to set their trades via an API from an exchange, and the bot would execute their trades automatically. So, I need a website and a trade engine as the bot. I am looking for an individual or individuals with who ...

    €450 (Avg Bid)
    €450 Oferta Promedio
    33 ofertas
    Script Logistic Management PHP 1 día left
    VERIFICADO

    I need a script that allows me to manage the logistics of my packages and my truck drivers Control panel: - Admin - User - Drivers - Empoyer - Driver route insertion from: to: (google maps) with calculation of kilometers of delivery points - Map with delivery points, Route calculation (google maps) - shipping calendar etc ... There is a ready script (Backend only) for 20 USD, and you could...

    €205 (Avg Bid)
    €205 Oferta Promedio
    15 ofertas
    Supplier Portal Development 1 día left
    VERIFICADO

    I need a supplier portal where the supplier can add documents and download content as well. From admin end, the admin should be able to upload specific files for specific supplier account.

    €651 (Avg Bid)
    €651 Oferta Promedio
    75 ofertas

    This is a project related to developing a training course for chemistry that uses Open edX platform or something similar with an ability to integrate following elements: 1. Modular arrangement of contents (e.g. see attached image: [iniciar sesión para ver URL]) a. Text b. Quiz c. Video d. game based on Unity/Unreal 2. Needs an ability to embedd 3D molecular structure...

    €3 / hr (Avg Bid)
    €3 / hr Oferta Promedio
    4 ofertas

    Hi I am looking for one experienced person with websites or any type of backend. I know that some items are loaded into one website. However I can’t find the backend end point. I have more or less title and also picture. That’s all if the job is good done, I might to have more website in the future. I don’t know if you need any special debugger or tool to do advanced searches....

    €26 (Avg Bid)
    €26 Oferta Promedio
    3 ofertas

    I want to develop a MEAN application which will have Website & Admin Panel. I have front developer already. I just need backend developer. Before I allot you project you need to create a small demo application, deploy it to heroku and send me the link. Don't bid if you can't create small demo application before I allot you project.

    €109 (Avg Bid)
    €109 Oferta Promedio
    11 ofertas
    DATING WEBSITE /features -- 3 20 horas left
    VERIFICADO

    To Add dating features on my EXISTING website: - User profile -CHAT between users on website with users on mobile app (interaction between Web and App) -Search, In Web-purchase. -SEO (same features , design and colors with my mobile app)

    €230 (Avg Bid)
    €230 Oferta Promedio
    10 ofertas

    I'll need all of the tasks given below accomplished by the bidders and they shouldn't deny for any additional tasks as well: 1. Sign in, Sign up, Forgot Password pages (Also, sign up through facebook and google) 2. Integration of payment gateway 3. Integration of Reviews and Feedback (Using a star based system) 4. OTP verification from phone number while signing up 5. PHP for Contact fo...

    €110 (Avg Bid)
    €110 Oferta Promedio
    10 ofertas

    What I need is strategy, setup and implantation of the following. No web design or full website development. Just the WooCommerce part. I need to import a bulk amount of products (40k) to woocommerce through plugin. Before I do that I need to add custom fields on product page under title for different kinds of product numbers/tags and add those info in new columns on the sheet, also need to create...

    €406 (Avg Bid)
    €406 Oferta Promedio
    61 ofertas

    We, Environ Propacks is Contract manufacturing, trading and exporting firm based in Aurangabad, Pune(Maharashtra). We have worldwide activities in sourcing, transporting, storage and financing of various packaging related products. Our Success is build upon the knowledge of the market reliability and independence. We strive to be the reliable and competitive working to contribute to our custome...

    €112 (Avg Bid)
    €112 Oferta Promedio
    16 ofertas

    Всем привет! Нужны разработчики Frontend и Backend на JS React и Python. Только русскоговорящие!!! Заказчик будет проводить собеседование в Skype, поэтому только русскоговорящие исполнители. Что делаем? Первую версию платформы по поиску и анализу ниш. Работа проектная. После реализации первой версии будет рассматриваться долгосрочное сотрудничество. Первая версия платформы разбита на 4 под релиза....

    €3297 (Avg Bid)
    €3297 Oferta Promedio
    5 ofertas
    Steam api and freeancer api 3 días left
    VERIFICADO

    Dzień dobry, Chciałbym zlecić wykonanie market place, który będzie wykorzystywał dane z platformy Steam (aktualne ceny, skiny). W związku z czym zależy mi na osobie która napisze API do pobierania danych. Istnieją strony z których można legalnie pobierać aktualne dane które znajdują się na platformie Steam (przykład: [iniciar sesión para ver URL]). ...

    €1098 (Avg Bid)
    Local
    €1098 Oferta Promedio
    18 ofertas

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