Backend Development Jobs

Backend Development is a critical part of any website or software product. It starts with understanding the client's goals and developing solutions that achieve those goals in a cost-effective and scalable way. Backend developers are responsible for more than just code: they have to have a strong understanding of databases, frameworks, and development in general. A backend developer uses this knowledge to turn complicated customer requirements into a efficient, automated solutions that the user experience (UX) team can work with.

When it comes to Backend Development, experience matters - you want someone who's seen a variety of projects and knows the best technology to use for your specific scenario.

Here's some projects that our expert Backend Developer made real:

  • Developing connected systems between websites and local servers
  • Integrating software systems using modern real-time protocols
  • Building bespoke solutions tailored to customer requirements
  • Taking over existing projects and resolving tricky bugs
  • Developing custom solutions using tried and tested frameworks

Backend Development encompasses a wide variety of skills and technologies, so it helps to have an experienced developer on your team who can navigate the complexities of building high-quality solutions. Our expert developers have already undertaken a variety of different projects and can jump into yours with confidence - benefit from their expertise, get your project completed quickly and correctly, and reduce time-to-market for your product. Get in touch today to discuss bringing your project to life, or post your own project in Freelancer.com to hire an experienced Backend Developer.

From 145,570 reviews, clients rate our Backend Developers 4.9 out of 5 stars.
Hire Backend Developers

Backend Development is a critical part of any website or software product. It starts with understanding the client's goals and developing solutions that achieve those goals in a cost-effective and scalable way. Backend developers are responsible for more than just code: they have to have a strong understanding of databases, frameworks, and development in general. A backend developer uses this knowledge to turn complicated customer requirements into a efficient, automated solutions that the user experience (UX) team can work with.

When it comes to Backend Development, experience matters - you want someone who's seen a variety of projects and knows the best technology to use for your specific scenario.

Here's some projects that our expert Backend Developer made real:

  • Developing connected systems between websites and local servers
  • Integrating software systems using modern real-time protocols
  • Building bespoke solutions tailored to customer requirements
  • Taking over existing projects and resolving tricky bugs
  • Developing custom solutions using tried and tested frameworks

Backend Development encompasses a wide variety of skills and technologies, so it helps to have an experienced developer on your team who can navigate the complexities of building high-quality solutions. Our expert developers have already undertaken a variety of different projects and can jump into yours with confidence - benefit from their expertise, get your project completed quickly and correctly, and reduce time-to-market for your product. Get in touch today to discuss bringing your project to life, or post your own project in Freelancer.com to hire an experienced Backend Developer.

From 145,570 reviews, clients rate our Backend Developers 4.9 out of 5 stars.
Hire Backend Developers

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    25 jobs found

    - create Authorization and authentication using spring security and OAuth. Create endpoints for login and signup - create payment gateway using stripe - MySql to store users

    $196 Average bid
    $196 Avg Bid
    15 bids

    Project Description: I am looking for a freelancer to help me with my smartFarm IoT project. The project aims to create a smart farming system that includes temperature monitoring, soil moisture monitoring, use of actuators for pumps, heater and fans, hydroponics, voice command using Google service and weather visualization. We will be using AWS for data pipeline and applications Please check the attached image for more details. (now included in the github repository) Deliverables: 1. Set up the development environment on my pc 2. Implement the data flow from sensors, to a db and visualization on a web-based app, to control the actuator based on the pre-programmed threshold and voice command. 3. Hardware prototype will be based on ESP32 and connect to internet over WiFi. It will moni...

    $904 Average bid
    $904 Avg Bid
    29 bids

    Platform Overview: We are developing a platform designed exclusively for marketing experts to create detailed profiles and become visible to companies seeking permanent or temporary hires. Experts can interact with potential employers, schedule appointments, and manage communications directly through the platform. Importantly, no financial transactions will take place within the platform. Expert Dashboard: The expert dashboard will offer a variety of features, including: Detailed expert information, such as skills and experience A portfolio of ads (documents or links) CV/resume uploads and more During registration, experts must agree that their profile will be publicly accessible to companies searching for candidates. Additionally, social media sharing options and other basic informati...

    $2949 Average bid
    $2949 Avg Bid
    46 bids

    Platform Overview: We are developing a platform designed exclusively for marketing experts to create detailed profiles and become visible to companies seeking permanent or temporary hires. Experts can interact with potential employers, schedule appointments, and manage communications directly through the platform. Importantly, no financial transactions will take place within the platform. Expert Dashboard: The expert dashboard will offer a variety of features, including: Detailed expert information, such as skills and experience A portfolio of ads (documents or links) CV/resume uploads and more During registration, experts must agree that their profile will be publicly accessible to companies searching for candidates. Additionally, social media sharing options and other basic informati...

    $2329 Average bid
    $2329 Avg Bid
    57 bids

    I need an experienced developer to create a robust e-commerce platform that links service providers, like freelancers and businesses, with customers in search of various services. Technical specification of project is in attachment. Please note that this project does not currently require the implementation of ratings, real-time chat, or portfolio features, nor does it limit the types of service providers to be listed. This may change as the project evolves. Your flexibility and creativity in enhancing the platform will be key to its success.

    $3496 Average bid
    $3496 Avg Bid
    165 bids

    **Indian Teams Only** We intend to develop a bespoke inventory management system inhouse for which we have the following requirements on per hourly basis; 1. Backend developer for Database architecture, API creation, Azure Deployment, and mapping 2. Front-end Developer with UI/UX Capabilities ( for Mobile Apps and Desktop Applications). Please Note: 1. All the development and functionalities shall be tested by respective developers 2. need quote for 20 hours per week and 80 hours per week for each requirement. 3. Time sheets will be maintained on our platform. I humbly request you to read the requirements carefully and then only apply. Thank You, Vijay

    $10 / hr Average bid
    $10 / hr Avg Bid
    40 bids

    Hello there I'm seeking a skilled web developer with experience in building sports betting platforms. The site will need to facilitate both Live and Pre-match betting, primarily on football, basketball, tennis and potentially other sports. ✔ User Page development ✔ Admin Page development ✔ Backend development The frontend of User page already developed. If you have some experience for this, Please bid. Thanks

    $1767 Average bid
    $1767 Avg Bid
    78 bids

    Daedalus SOW Here’s the updated **Scope of Work (SOW)**, reflecting your desire for a **neurocellular design** with Daedalus as the central "cell" communicating with Labyrinth and external models as other cell bodies, all in one unified environment: --- ## **Scope of Work (SOW): Development of Neurocellular Interface for AI System (Daedalus)** ### **Project Overview** I am seeking a freelancer (or team) to develop a neurocellular-themed interface for an AI system called "Daedalus." The interface will represent Daedalus as the **central cell** within a **neural network-like environment**. Daedalus will dynamically communicate with both **Labyrinth (local AI models)** and **external models** (e.g., GPT-4) through animated **neural pathways** and connected cell b...

    $36 - $72 / hr
    Sealed NDA
    $36 - $72 / hr
    35 bids

    I'm looking for a skilled Full Stack Developer to create a comprehensive sports betting website. The primary focus will be on developing user and admin pages, with the site displaying various categories of events and player statistics. Key responsibilities include: - Designing and implementing user account management functionalities - Building an intuitive and informative user page showcasing player stats, inplay events, upcoming games, today’s matches, early, outright, mix and parlay options - Creating a robust admin page for overseeing site operations The ideal candidate should have: - Proven experience in full stack development, preferably for sports or betting websites - Strong skills in UI/UX design to ensure a seamless user experience - Proficiency in payment processing ...

    $1313 Average bid
    $1313 Avg Bid
    103 bids

    I'm looking for a professional with experience in writing technical specifications for e-commerce website development. The site will have the same features like website below : (please use translator to understand) Please review all features of this website as user and registered customer and specialist. Ideal candidates would have a strong background in e-commerce development, understanding of key e-commerce features, and excellent technical writing skills.

    $711 Average bid
    $711 Avg Bid
    69 bids

    - Dating app with avatar creation, customisation, and bio creation - Distance based pop ups, with dynamic cues - Chat box, dynamic pairing, unique features - Privacy and reputation points - build some paid in app purchases, and also a subscription model for more advanced features. Looking for cost effective, reliable and long term development partner. Let me know the budget, don't ask me whats my budget. Built for both ios and android

    $1492 Average bid
    $1492 Avg Bid
    138 bids

    Requirements: - Backend Development: The developer of a running B2B backing only no front end - Authentication: Implement a robust authentication mechanism based on OAuth2. - User Management: Create a system for user account creation, email confirmation, and role-based access control. - Company Structure: Each account will be associated with a company, allowing for multiple users within a company with varying permissions. - Roles: Establish customizable user roles, such as administrator, deputy admin, and standard user, to manage access levels. - API Interface: Develop a well-structured API using Protocol Buffers (gRPC) to enable integration with frontend applications. Technical Specifications: - Programming Language: Golang or Rust - Authentication Standard: OAuth2 - Database: P...

    $263 Average bid
    $263 Avg Bid
    25 bids

    I'm looking for a talented MERN Stack developer to create a responsive, professional, and corporate-styled portfolio website. This site should effectively showcase my work samples and attract potential employers and clients alike. Key Requirements: - Development of key pages: Home, About, Portfolio, Skills, and Contact. - Strong proficiency in MongoDB, Express, React, and Node.js. - SEO expertise to enhance site visibility. - Design contribution, as I do not have a pre-existing design or wireframe. Ideal Skills: - Extensive MERN Stack experience. - Proven track record in creating engaging portfolio websites. - Strong design sensibility to create a professional, corporate aesthetic. - SEO skills to drive site traffic. I look forward to seeing your proposals.

    $40 Average bid
    $40 Avg Bid
    17 bids

    1. Promote code on Azure cloud in a Production environment. 2. Fix minor bugs. Master Document: TC-SEARCH-X-001 Objective: Accept positive Twitter search terms with <=2 words. Check user balance for tweet retrieval. Obtain tweets using the specified search term. Limit: 100 tweets (20k tokens). Collect links to four images for frontend display. Record request date. TC-SEARCH-X-002 Objective: Reject text with more than two words. Generate a chat error for invalid search terms. TC-SEARCH-X-003 Objective: Reject search terms with URLs. Generate a chat error for search terms containing URLs. TC-SEARCH-X-004 Objective: Allow entry of questions with <=2 words. Use unique frontend chat ID for database entry. Retrieve tweets using the search term. Check user tokens for retrieval. Conne...

    $750 Average bid
    $750 Avg Bid
    61 bids

    We have some instances of Canvas LMS created in our own servers which currently running on production There is a complement called Roll Call Attendance designed for the company, Instructure which should be installed and configured for separate in order to use it. We are looking something experienced installing Canvas LMS and with knowledge which install a configure this tool. Also, the documentation about the steps follow for a custom install in the server (to keep watching in case something fail in server). Here is the repository. As you see on the repository only mark an option to make an installation over docker. Our purpose is let it working on the server.

    $256 Average bid
    $256 Avg Bid
    25 bids

    I'm seeking a Full Stack Developer with a strong emphasis on front-end development, particularly in user interface design, for our advanced AI-powered e-commerce tool tailored for TikTok. We're deep into the development phase, and if you have a passion for AI and e-commerce, we would love to connect! Key Responsibilities: - Collaborate in the design and enhancement of user interfaces - Utilize your full stack expertise to support back-end development when necessary Ideal Skills and Experience: - Proven experience in front-end development with a focus on user interface design - Familiarity with AI integration in e-commerce platforms - Full Stack Development experience - A passion for AI and e-commerce Please note that we are currently skipping questions about specific UI implem...

    $1757 Average bid
    $1757 Avg Bid
    131 bids

    I'm looking for a skilled backend developer to implement a robust backend for my web project, incorporating functionality for different user roles. Key Requirements: - Develop backend with support for two user roles: Administrator and Regular User. - Implement features that allow Administrators to manage content, perform administrative tasks, and access restricted data. - Create a seamless and efficient user experience. Ideal Skills: - Extensive experience in backend development. - Proficient in implementing user roles and permissions. - Strong problem-solving skills to ensure a smooth functionality. Note: A preferred backend technology wasn't specified, so I'm open to suggestions based on your expertise.

    $2092 Average bid
    $2092 Avg Bid
    71 bids

    I'm looking for a skilled backend and API developer to help build a cloud-native application.

    $9 / hr Average bid
    $9 / hr Avg Bid
    13 bids

    I'm on the lookout for a seasoned PHP developer, particularly one who is well-versed in the Yii framework (specifically Yii 3) and CodeIgniter (CI). This will be a long-term project based in India. Key Responsibilities: - Backend development: Your primary focus will be on server-side logic, ensuring high performance and responsiveness to requests from the front-end. - Building new features: We need someone who can take the lead on developing new functionalities for our project. - Maintaining and improving existing code: You will also be tasked with refining, optimizing and enhancing our current code base. - Fixing bugs and issues: Troubleshooting and resolving technical issues will be part of your day-to-day. Ideal Skills: - Strong proficiency in PHP - Extensive experience with Yii...

    $932 Average bid
    $932 Avg Bid
    52 bids

    I need a product designer for my college project. The primary objective of this design project is to create a product that excels in usability. Key Responsibilities: - Conceptualize and design a product with a strong emphasis on usability. - Create prototypes and iterate based on usability tests. Ideal Skills: - Experience in product design. - Strong understanding of usability principles. - Proficient in design software. - Ability to create detailed prototypes.

    $116 Average bid
    $116 Avg Bid
    5 bids

    I'm looking for a skilled website designer and developer to create an ed-tech platform for online courses and assessments, student management system and Live lecture meet sessions. The site will host a variety of educational content including video lectures, written articles, and interactive tutorials. Key requirements: - Proficient in both frontend and backend development with ReactJS and other relevant tools - Experienced in frontend design, with a portfolio demonstrating use of design tools - Able to create a professional and student engaging design style, although I have the half of design ready - Capable of completing the project within a month and under the budget of 5K Indian Rupees Your proposal should highlight your relevant skills and experience. Please include examples o...

    $126 Average bid
    $126 Avg Bid
    23 bids

    I need a seasoned developer to create a one-click script for my subdomain. This tool should enable me to run various SEO tools with a strong emphasis on automation and seamless integration with Amember Pro. Key Features: - Integrate with multiple SEO tools, specifically Semrush, Moz, and Envato, as well as all other SEO and design tools. - Create user-friendly dashboards for easy interpretation of data. - The script should seamlessly direct customers to localized domains. Ideal Skills: - Proficiency in developing scripts for subdomains. - Extensive knowledge and experience with SEO tools, particularly Semrush and Moz. - Expertise in creating user-friendly interfaces. - Experience with Amember Pro integration.

    $52 Average bid
    $52 Avg Bid
    17 bids

    Explicit Filtering Phase project as discussed in chat for phrase detection and resultant redirect.

    $679 Average bid
    $679 Avg Bid
    29 bids

    Hello! I need someone to build this site for me, ideally if you already have experience in this industry. As a reference I can offer already finished leaked source codes. (needs to be integrated with Bitcoin payment gateway, and I don't want to redirect users, I want it to be displayed everything on my site) (I will provide Bootstrap frontend)

    $254 Average bid
    $254 Avg Bid
    10 bids
    Einrichtung Microsoft Office
    20 hours left
    Verified

    Ich brauche jemand, der mich dabei unterstützt, Microsoft Office 365 ein Domäne durch die DNS Einstellungen über Siteground hinzuzufügen.

    $45 / hr Average bid
    $45 / hr Avg Bid
    3 bids

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