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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    39 trabajados encontrados, precios en USD

    hola me gustaria crear una web que en un futuro sea un exchange, por ahora quiero que el proyecto sea bastante basico, es decir, que el usuario se cree una cuenta, luego se verifique con su identificacion, y pueda fondear en la cuenta pesos argentinos, mediante transferencia, mercado pago, efectivo, y tambien dolares, para luego poder comprr criptomoneda por ahora solo serian dos , btc y usdc

    $625 (Avg Bid)
    $625 Oferta promedio
    2 ofertas
    Desarrollador AWS 2 días left

    Necesito un desarrollador para trabajar con aws, python, boto3

    $8 / hr (Avg Bid)
    $8 / hr Oferta promedio
    6 ofertas
    Need 3 APIs 6 días left
    VERIFICADO

    I'd like to get the Instagram engagement rate without using the Facebook Graph API. If we can get the average number of likes per post, and the number of followers, then we can calculate the engagement rate. You need to deploy it on my server. My server is on the Bluehost VPS hosting. And I am using PHP/Mysql for my other backend codes. 3 APIs #1. Check the Instagram account is “public...

    $83 (Avg Bid)
    $83 Oferta promedio
    6 ofertas
    Expert in flask and python 6 días left
    VERIFICADO

    Looking to hire someone long term and extremely proficient with flask, python, sql and no sql databse.

    $383 (Avg Bid)
    $383 Oferta promedio
    42 ofertas

    Need help developing the backend Models, Controllers and Routes for my online store. This is a type of Gifting store so there are a few extra elements than a simple storefront. Most of the work will surround the User page and it's sub categories. I already have Devise login installed. Project will be pulled directly from github. I have a basic DB Schema that I have visualized but since I am ...

    $496 (Avg Bid)
    $496 Oferta promedio
    9 ofertas

    -The idea is to build a program that allows the user to trade multiple accounts the same way(every account will execute same orders) at the same time ,this way user will trade multiple accounts simultaneously, saving a lot of time. -Program will handle both futures and spot trades(this means it will be possible to use any possible order type available on the exchange , in any available asset,in ex...

    $845 (Avg Bid)
    $845 Oferta promedio
    24 ofertas

    We have frontend for lottery. Need to have smart contract for it as back end

    $572 (Avg Bid)
    $572 Oferta promedio
    2 ofertas

    We're integrating POS system to our existing mobile app, a best way is to create a new backend using Node.js and firebase real-time data, APIs should be deploy to cloud functions as well. Squareup sandbox APIs experience is plus, but not required.

    $19 / hr (Avg Bid)
    $19 / hr Oferta promedio
    26 ofertas

    I currently have a web application written in Ruby (Ruby on Rails) and Angular that I would like to integrate with Salesforce.com. The integration would include creating up to 5k tasks a day and updating the lead status of up to 5k leads a day - just for one client (integration). Instead of pushing data to [iniciar sesión para ver URL] in realtime, I am considering writing another applica...

    $22 / hr (Avg Bid)
    $22 / hr Oferta promedio
    4 ofertas

    I need to get a website having multiple user accounts and strong database management, and codes/processes running in the background.

    $119 (Avg Bid)
    $119 Oferta promedio
    6 ofertas

    The project is a bookmark and content management app, to be built on web technologies (HTML, CSS, js) as PWA with serverless architecture (AWS). The PWA is primarily chosen as the app needs to be on multiple platforms such as website, browser extension, desktop (win, mac, Linux), and mobile (android, ios). Please check the document for the features to be developed and revert back with an approxi...

    $1473 (Avg Bid)
    $1473 Oferta promedio
    7 ofertas

    : make a paytm cash earning app app name - news loop content - in starting of app there should be good interface and logo of app and written (best money earning app) Then there will option for login ans sign up Through 1) MOBILE NO. 2) Google 100 coins= 1rs they will get Rs 1 as there sign up bonous there will be option for refer and earn - for per refer they will get 2rs and join...

    $296 (Avg Bid)
    $296 Oferta promedio
    1 ofertas

    Refer to the following websites/apps for reference: Turo, GetAround, and Trevo. IOS and Android both. I will need the following: SignUp/SignIn flow (Social Media and Mobile) (Document Verification) Enter location and date-time - To search for nearby cars Car catalog - To populate nearby cars Sort/Filter option Vehicle and rental information Upload Images, Edit Description Drop-off, available da...

    $3188 (Avg Bid)
    $3188 Oferta promedio
    65 ofertas

    We need Fullstack developer who guided us web/android/iOS E-commerce website/application.

    $334 (Avg Bid)
    $334 Oferta promedio
    6 ofertas

    We are looking for developer who can make a website for ludo and tambola game and 1 more game. Game must has impressive UI,fast speed and secure payment optiones.i am aiming to large player pool of all age groups so a person even not good in using technology must be able to understand its UI

    $1745 (Avg Bid)
    $1745 Oferta promedio
    6 ofertas

    I am looking for a person with following skills Python Websockets knowledge GIT webpack Django(optional) NPM (basics)

    $780 (Avg Bid)
    $780 Oferta promedio
    7 ofertas

    Hi we have the screens for the our respective project just need a developer to develop our project and give us

    $128 (Avg Bid)
    $128 Oferta promedio
    7 ofertas

    I am looking for a person with following skills Python Websockets knowledge GIT webpack Django(optional) NPM (basics)

    $297 (Avg Bid)
    $297 Oferta promedio
    1 ofertas

    Create a react chart based on the example provided and a databse for the same. The project needs to be completed in 3 days.

    $30 (Avg Bid)
    $30 Oferta promedio
    2 ofertas

    (The Job is remote and we offer a monthly salary via freelancer) uBIT Farm needs a WebDev Co-Founder! We are a Social-AgriTech (IoT-based) of 10 people from UI, ITB, IPB, and many others, plus another 10 professional volunteers involved. Calling all developers techie who loves programming and happy to help people, You could be our next hero to challenge the status quo on advancing Indonesian Ag...

    $1083 (Avg Bid)
    $1083 Oferta promedio
    23 ofertas

    Please read carefully! I have the frontend and backend UX/UI design ready, need someone to do the development of the website (front and backend). The website is for a "Luxury Used Car Dealership". The developer should keep below requirements in mind; 1. Fast. Really, really fast. Below 1-second page load. 2. Integrated search 3. Mobile friendly (responsive) 4. Quick to find in Googl...

    $1293 (Avg Bid)
    $1293 Oferta promedio
    48 ofertas
    Mobile App Developer 3 días left
    VERIFICADO

    I need an Android app. I would like it designed and [iniciar sesión para ver URL] Sharing app with water mark. Image will share on social platforms. Only Experience candidates with Both Backend and app Development Experience. only freelancers contact not agency.

    $3 / hr (Avg Bid)
    $3 / hr Oferta promedio
    10 ofertas

    I am looking for a person with following skills Python Websockets knowledge GIT webpack Django(optional)

    $236 (Avg Bid)
    $236 Oferta promedio
    4 ofertas

    I'm looking for web developers to team up with to get my start-up idea off the paper. I've carried out market research and I am very optimistic about this venture. Ideally, the right candidate should have experience in both front and back-end web development. This idea will mainly be launched on the Australian market to allow for further market research. The project is a digital marketpl...

    $15 / hr (Avg Bid)
    $15 / hr Oferta promedio
    6 ofertas

    I will share more details in chat

    $93 (Avg Bid)
    $93 Oferta promedio
    23 ofertas

    We are making a website TICK-TAX that helps a user to calculate and manage his tax through the website. The things the website does – User login or signin Sets up profile Enter details about total income, property etc through official documents. On the day of payment, the website calculates the tax that is to be paid by the user, according to the documents provided by the user…..and a...

    $49 (Avg Bid)
    $49 Oferta promedio
    2 ofertas

    Hello, We are looking for a JSON and API development expert for our project. We are already moving multi-projects so will need to find a good partner who is familiar with JSON. The contract will be moved forward based on milestones step by step. We are looking for a long-term contractor as well. If you're familiar with JSON schema, it would be great for our projects.

    $1139 (Avg Bid)
    $1139 Oferta promedio
    26 ofertas

    Building a new proxy project which will need automated virtual machines running on servers and turning them into proxies via squid Must be able to think outside the box as we have an outline of the project, but the technical aspects and any problems that arrive must come from the technical team we hire.

    $16807 (Avg Bid)
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    7 ofertas

    We have attached a project file which has basically a user login to demonstrate how the end user data is [iniciar sesión para ver URL] admin panel has to be made for this project where the admin can login ,select the user ,report and fill the data which has to be displayed in the user side. The data saved in the admin side has to be updated in the server (mongodb) and from the server side i...

    $113 (Avg Bid)
    $113 Oferta promedio
    4 ofertas
    App development 2 días left
    VERIFICADO

    We are looking for a back-end developer for our android and iOS app. We are currently building a live stream platform, which has to be ready and tested in about two weeks. Our own developer will take care of the complete front-end development in react native. Your Tasks would be: - Complete backend work - Firebase integration - Stripe integration - Integration live-streams - Simple Marketplace F...

    $897 (Avg Bid)
    $897 Oferta promedio
    68 ofertas
    Html Css Nodejs 2 días left

    I will share more details in chat

    $70 (Avg Bid)
    $70 Oferta promedio
    20 ofertas

    Blockchain crypto develop project like [iniciar sesión para ver URL]

    $3884 (Avg Bid)
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    22 ofertas

    i need someone who can setup pinelabs api for transaction status

    $134 (Avg Bid)
    $134 Oferta promedio
    1 ofertas

    The project’s basic idea is to create a Shopify app used to track shipments and communicate this information to its users on a (to an extent) customisable dashboard. (Further down below is a Google Drive Link with a much more detailed project information) Below a short summary of the app: The application should mainly consist of the following key features: A branded tracking page with Up...

    $7167 (Avg Bid)
    $7167 Oferta promedio
    50 ofertas

    For this project, you will have to use Paypal webhooks & Paypal API Django infrastructure will be provided to you once the project is awarded 1) How much experience do you have with Django? 2) Have you worked with webhooks & paypal apis? 3) What is your current availability? *Include your favorite song in the bid to help us avoid bot responses*

    $8 / hr (Avg Bid)
    $8 / hr Oferta promedio
    18 ofertas
    Crownpeak Developer Needed 1 día left
    VERIFICADO

    Needs someone who has deep experience with Crownpeak CMS for ongoing tasks on backend development. Specifics to be provided.

    $195 (Avg Bid)
    $195 Oferta promedio
    2 ofertas

    I need a new website. I need you to design and build it. (Blockchain)

    $1764 (Avg Bid)
    $1764 Oferta promedio
    49 ofertas

    I need a mobile site. I already have a design for it, I just need it to be built.

    $4 / hr (Avg Bid)
    $4 / hr Oferta promedio
    5 ofertas
    Cart Recovery Software Solution 16 horas left
    VERIFICADO

    I am looking for someone to develop a cloud software. When a user is shopping on a ecommerce site, they usually add an item to their shopping cart. When they do this, their cart should save in my software application. Here the customer can then access all their carts from one location and does not need visit each site individually. We will need to develop a Cart Recovery Software which will send a...

    $1664 (Avg Bid)
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    13 ofertas

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