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 jobs found, pricing in USD

    Building a e-commerce website where a seller can sell their items. And a customer can buy the itmes. And once the item got the tracking the status of the item, Here are the main components - Buy platform - 1 User should able to search the product, 2 Searching the product based on category and can apply filter on colors and other components, 3 user should able to create the cart and place the order 4 user should able to track the product and if they want they can return the product Seller - 1 seller should able to upload their product 2 seller should able to statics about total sale, most sold item, 3 he should get the download the invoice of the sale. Looking for backend developers, He should have deep knowledge on e-commerce , and should have good experience in golang and mon...

    $1098 (Avg Bid)
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    7 bids

    We are looking for a back-end web developer to help with website integration, web services, and APIs. Candidates should have some or most of the following skills and experience: - Fluent in scripting languages (e.g., PHP, .Net, C#, Java, or others) - Experience with Go, Laravel, Django, Express, or other frameworks - Experience with SQL and MySQL database systems - Version control (Git) - Knowledge and experience with compliance and data security - Good problem-solving skills and analytical thinking - High attention to detail - Excellent communication - Ability to work well with a team This is for an INDIVIDUAL person, NOT a team. Send a link to your LinkedIn profile, with references and recommendations, send a portfolio, and lastly your resume. State your legal name as appears in your b...

    $10 / hr (Avg Bid)
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    6 bids

    backend with rest api. a multivendor ecommerce web . distribution management system include accounting. sales ,camera bar code ,purchase, , credit for central office and multiple shops. order booking and tracking app. delivery van order management and tracking management app. shop keeper for pos and order placing app. vendor app. ecommerce app.

    $586 (Avg Bid)
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    14 bids

    This app will have some card games and some other basic level games like ludo, teen patti, etc.

    $1335 (Avg Bid)
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    11 bids

    I’m looking for a Tor dark web based php backend developer, I have frontend of a multivendor marketplace and I have the backend too, I am looking for someone to integrate my frontend and backend to work Together, and we can start creating a brand new backend when the part time backend is running.

    $497 (Avg Bid)
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    16 bids

    Hello, I’m looking for a great backend developer to help with my project building a reservation system. Working on and improving tables and flows. Creating a printing feature, creating data metrics on dashboard, storing previous information etc. Hoping to chat with some great developers and find the right fit to work together with.

    $402 (Avg Bid)
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    57 bids
    Script from 5 days left
    VERIFIED

    Build php script from scratch

    $167 (Avg Bid)
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    28 bids

    I have used Java for over two years. I recently working as a software developer. I am using C#, Blazor, Razor Pages, etc at work. Feeling a little overwhelmed with all the new tech.

    $11 / hr (Avg Bid)
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    ------------------------------------------------------------------------------------------------------------------------------ To: Any agencies or group of freelancers who forward projects to the next group or agencies. **Please do not apply and waste the time mutually**. We are looking for individual developers only. ------------------------------------------------------------------------------------------------------------------------------ Hi, I am looking for a PHP developer with experience building REST APIs using frameworks like Laravel or Lumen. Experience with any other PHP Framework (Zend, CodeIgniter, Symphony, Yii) will also work, as long as developer is confident building secure REST APIs using the same. Selected freelancer will be working on building APIs for an e-c...

    $1228 (Avg Bid)
    Local
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    27 bids
    Cardano Swap 4 days left
    VERIFIED

    I want swap any asset on SundaeSwap with code. I dont want use SundaeSwap user interface. Programmer must have experience cardano programming and haskell & plutus coding. With this code I should be able to: -Connecting cardano mainnet -Login to my wallet with my passphrase or mnemonic in code -Swapping any asset(If asset have liquidity on sundaeswap dex) on Sundaeswap -Swapping asset the amount i want -Cancel the transaction if the asset swap result does not give me at least the amount I want (Slippage Function)

    $491 (Avg Bid)
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    19 bids

    We are looking for an experienced and talented Laravel developer who is passionate, energetic, and self-motivated. Skills: Laravel 8+ & GraphQL Strong knowledge of PHP 8+ and OOP Creating database schemas that represent and support enterprise business processes Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3 Understanding security, safety and accessibility compliance Familiarity with complex SQL databases and their declarative query languages Proficient understanding of code versioning (GIT) Aggressively learn new technical skills and technologies Interpret system requirements and specifications to produce code solutions Work with an agile team to develop, test, and maintain solutions Linux knowledge is a big plus Must Have: Experience with micros...

    $565 (Avg Bid)
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    Good have these skills Fastify Zod Prisma JS

    $12 / hr (Avg Bid)
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    Create a mirror platform of Superset Platform is a fully Automated Placement Platform To know more about the platform kindly visit the link :

    $292 (Avg Bid)
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    14 bids

    To develop an API integrated web application to connect with ETSY and retrieve seller data. Needs to have a strong backend and good front-end too.

    $2711 (Avg Bid)
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    46 bids

    DJANGO server / Using GraphQL (Live projects) We Needs to hire 2 more DJANGO/Python Experts asap ***for first project : TO CREATE CHAT APPs ASAP !!! * YOU MUST BE ABLE TO CREATE FEATURES FOR DATING WEBS/APPS currently using "" you must BE ABLE TO CREATE CHAT APPLICATION FOR WEBSITE AND MOBILE APP" REQUIRED SKILLS: BACKEND Developer main Skills: DJANGO/PYTHON ( GraphQL) SALARY per each position: BACKEND Developer/full stack :$700-$1300 per month for the trial period RemarK: 1/after the trial period of 3 months, Skilled developer Salary $1800 usd per month 2/ after 9 months salary will become $ 3000 usd/per month with possibility to relocate to join our team in france YOU ARE ABLE TO WORK: 130-201 hours per month SALARY can increase after trial period basis on ...

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    Create a Plaform of and (fully automated placement platform)

    $1027 (Avg Bid)
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    20 bids

    We are hiring for one of our clients. This is a work from home opportunity and we are looking for the following: Backend Developer with MySQL Expert (Backend) Key Skill: Mysql, PHP, Python No. of Positions: 2 a) Experience working in entire SDLC Life cycle, b) Deliver high quality backend software applications c) Understanding and experience of the rest services d) Expertise in writing high quality scalable PHP applications e) Preferable if there is exposure to NoSQL especially Mongo f) Working with Linux/Unix systems Payout: Upto 40k per month.

    $168 - $504
    Sealed NDA
    $168 - $504
    5 bids
    Business system 2 days left

    the project is about developing business system.

    $19 (Avg Bid)
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    4 bids

    Submit your turnkey price offers for my dropshipping marketplace project. Please send your offer along with your references. Bids submitted without examining the attached project file will not be accepted.

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    21 bids

    I am working on a net worth app that showcases a users net worth from a number of different asset categories (e.g. bank account, crypto, house, car, rare wine). The back end is progressing well and APIs are being integrated. Support is needed to to update the front end with an interactive look and feel that allows the user to clearly see their net worth and gives a clear breakdown e.g. via bar charts and line graphs of how their net worth has changed over time and outlines which assets are performing best. Technical info below: Backend Language: Dart & JS (NodeJS via Azure Functions) Database: PostgresQL (Supabase) Frontend Language: Dart Framework: Flutter State Management: Redux In terms of timings, it will be to work on this on an ad hoc basis. We will purchase a set number of ...

    $672 (Avg Bid)
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    - Full Stack developer with some knowledge of crypto ecosystem - App Developer (pro UX design experience) - Front End designer - Back End Designer - Certified ethical hacker as security advisor Also, I'm not looking for established companies to outsource the project. It has to be in-house hence, individual freelancers who can join the project are invited. Preference : who can relocate. India is the location, more details when we connect.

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    You skill - Node, Laravel, PHP, Ruby on Rails, Python, and so on. Budget - $4000 per month

    $4000 (Avg Bid)
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    25 bids
    Solidity Developer 1 day left
    VERIFIED

    Looking for a Developer who can write Solidity for smart Contract

    $168 (Avg Bid)
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    29 bids
    Web Developer 1 day left
    VERIFIED

    Build our our website with the tech needed to create new tech on our volunteer page to process volunteers online. Experience with WordPress, CSS, Javascript, And middleware tools, if possible.

    $31 / hr (Avg Bid)
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    have a legacy .NET desktop app. separate instances of code and db for each customer. user credentials in each db. .NET 4.5. We are starting a new saas web app. We want to allow SSO with UI and authenticated apis for a unified experience between the legacy and saas features. I need sample code on both sides which enables this. This is pure POC. No need for anything from existing code. Assume a user table in each customer db, with userid, and pw. You can propose whatever you want on the saas side. We are using the single code/ multi db saas model; the saas has access to all existing customer db's. If interested, you should describe previous deep experience with federated authorization, tools such as oauth, heavy saas implementation experience, and previous experiences like this. Y...

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    Budget: $50 Deadline:January 30th, 2022 The purpose of this project would be to create a web application similar to 500x. It will include registering users, uploading pictures, comments, likes, ratings and views for every picture. Registered users can update their password, profile, and friend’s list. Implementation can be done following MVC model using Django/Python.

    $152 (Avg Bid)
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    17 bids

    We Needs to hire 2 DJANGO/Python Experts asap DJANGO server / Using GraphQL (Live projects) * YOU MUST BE ABLE TO CREATE FEATURES FOR DATING WEBS/APPS "BE ABLE TO CREATE CHAT APPLICATION FOR WEBSITE AND MOBILE APP" REQUIRED SKILLS: BACKEND Developer main Skills: DJANGO/PYTHON ( GraphQL) SALARY per each position: BACKEND Developer/full stack :$700-$1300 per month for the trial period RemarK: 1/after the trial period of 3 months, Skilled developer Salary $1800 usd per month 2/ after 9 months salary will become $ 3000 usd/per month with possibility to relocate to join our team in france WORK: YOU ARE ABLE TO WORK: 130-201 hours per month SALARY can increase after trial period basis on your performance. ======================= REMOTE POS...

    $1022 (Avg Bid)
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    Hello, I am looking for a Unity developer that allow to communicate two different Unity builds. Basically I want to show two different PC build communicating to each other sending and receiving 3d asset. To make this easiest as much as possible, I though to this solution: 2 builds 2 users Creation of a table/database of, for example, 10 assets (5 per user) that can be exchange among the two players. The builds give the possibility to login. Once the player login in the scene download the "backend database" where is written what he has in its catalogue/inventory. He can place in the scene only what he has in the catalogue. The player1 can send one of its assets to the player2. Once made that, the "backend database" is updated and now the player1 will not have any...

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    wordpress expert 1 day left
    VERIFIED

    I am need for a technichal rule for the backend of the site , the site already create we have some issue's to need to set it up , i will share more details as per needed , our model is already train and we did few test's, but not working well , thanks

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    Ecommerce platform that allows for the purchase of backlinks for SEO purposes. Simple overview: User visits the website and can search attributes (similar to what we commonly see on all e-commerce websites like ). Attributes will be pulled from Ahrefs - Ahrefs Rank, Pages, Linked Domains, etc. Attributes will be “filterable” - meaning the user can select a range for metrics. Ex: Traffic 0-1000, 1001-2000, etc. While all website information can be added manually, I would like to see if this process can be automated. Meaning that a “seller of a link” can come to the website, register, then add their domain to our website. The website would then crawl the domain (using Ahrefs API) and pull out the data and add it to our website database. Once approved by the web...

    $33 / hr (Avg Bid)
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    Hi I'm using AdminLTE version v3.1.0 and I wrote a back-end application made of few pages, it's relatively simple it uses both light and dark theme and I'd like to have it more pretty (less boring and less 'stock') and to change a bit the color scheme please bid only if you have experience with AdminLTE css Thank you

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    I need a full development of a SaaS project. Description Cloud-based Instagram Bot with the following features: - LogIn via Instagram - Targeting of a) followers from other Instagram accounts and b) hashtags. - Automatic liking, following and commenting on targets - Automatically mute accounts that the bot has interacted with Ask for price suggestions.

    $2849 (Avg Bid)
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    53 bids
    full time node.js dev 2 hours left
    VERIFIED

    we need a full-time freelancer for a complex node.js web application. this is a remote full-time position. as a result, if you have a full-time or part-time job somewhere, please do not submit a bid proposal. stack required: for the frontend, any framework for the backend, and mongodb for the db. if you're given the chance to talk, please avoid irrelevant questions in chat that said, you can find the detailed documentation below: IMPORTANT: 1. we don't hire people with fake accounts or accounts today; 2. we don't hire people from anything related or near the soviet; 3. we don't hire non-freelancers that sub-contract projects; 4. we don't hire fake or any sort of teams; 5. we don't hire folks with disputes, not even a single dispute; salary starts from $2...

    $209 (Avg Bid)
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    full-time node.js dev 2 hours left
    VERIFIED

    we need a full-time freelancer for a complex node.js web application. this is a remote full-time position. as a result, if you have a full-time or part-time job somewhere, please do not submit a bid proposal. stack required: for the frontend, any framework for the backend, and mongodb for the db. if you're given the chance to talk, please avoid irrelevant questions in chat that said, you can find the detailed documentation below: IMPORTANT: 1. we don't hire people with fake accounts or accounts today; 2. we don't hire people from anything related or near the soviet; 3. we don't hire non-freelancers that sub-contract projects; 4. we don't hire fake or any sort of teams; 5. we don't hire folks with disputes, not even a single dispute; salary starts from $2...

    $201 (Avg Bid)
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    Dropshipping pazar yeri projem için anahtar teslim fiyat tekliflerinizi iletiniz. Lütfen referanslarınız ile birlikte teklifinizi iletiniz. Ekte bulunan proje dosyasını incelemeden verilen teklifler kabul edilmeyecektir.

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    Hola a todos, Me encuentro en la búsqueda de un desarrollador web especializado en WordPress y con enfoque backend (o Full Stack, preferiblemente) para realizar las tareas especificadas más abajo. Sobre los sitios web: Sitio 1: recolecta información de propiedades para alquiler (nombre de propiedad, fecha de entrada, fecha de salida, amenidades, etc.). y recibe suscripciones de socios llevándolos por proceso de firma de contrato y pago de tarifa. Sitio 2: se encarga de vender el alquiler de las propiedades recibidas en el sitio 1 Tareas: - Crear en el Sitio 1 una tabla para recibir y mostrar automáticamente información de un formulario que se utiliza en el mismo. - Conectar / Sincronizar Sitio 1 con Sitio 2 para que, de la información...

    $195 (Avg Bid)
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