Hire the Best Freelance Back-End DevelopersHire a Freelance Back-End Developer

Find top freelance Back-End developers quickly and easily on Codementor. Work with our vetted developers who have the proven skills and experience to get the job done. Get help with projects by-the-hour or long-term. Hire a trusted Back-End freelancer on Codementor today.

Hire In No TimeVerified Talent

Top freelance Back-End developers available to hire

See all technologies
Freelance Back-End Developer - Mich Okonicha
Freelance Back-End Developer5.0 (25 reviews)

My years in software development has taught me that every challenge has a solution. I have honed my skills in: Web and mobile application development Cloud architecture and platform development Debugging complex issues with a cool head. Making sound architectural decisions Mentoring with patience and clarity. I have built around industries. From startups to enterprise platforms. Cloud technologies? I work with them daily. Scalability issues? I have solved a few. My approach is simple: listen, analyze, solve. No fuss, no stress. Whether you are stuck on a thorny bug, planning a major cloud migration, wanting to build a software application, or seeking mentorship. I am here to guide you through with steady expertise.

Freelance Back-End Developer - Kodaolu Idris Aremu
Freelance Back-End Developer5.0 (54 reviews)

Engineer with a strong sense of appealing user interfaces, efficient software design, and outstanding online platforms. I use my stack to create scalable and high-performing web solutions. I am a full-stack software engineer who is passionate about creating amazing products and collaborating with other exceptional engineers to find quick fixes for issues.

Freelance Back-End Developer - Andrew Walsh
Freelance Back-End Developer

**GitHub**: [https://github.com/andrewwalsh](https://github.com/andrewwalsh) **LinkedIn**: [https://www.linkedin.com/in/andrewwalsh-tech/](https://www.linkedin.com/in/andrewwalsh-tech/) **Personal**: [https://awalsh.io](https://awalsh.io/) \--- Versatile full-stack freelance software engineer with experience across front-end, back-end, and AI/ML using languages such as TypeScript and Python. I have built commercial software used by hundreds of thousands of people. Some of my open-source work has been featured #1 on Hacker News, with 1000s of GitHub stars. I enjoy learning and thrive on difficult yet impactful real-world problems, and welcome new connections. ⮩ 💻 Software Engineering I began as a self-taught developer through freeCodeCamp in 2016. My first project was Mail for Good https://github.com/freeCodeCamp/mail-for-good. Since then, I have continued to practice my craft and improve. I later took on a part-time MSc in Artificial Intelligence at the University of Bath to augment my skills and learn the fundamentals of AI/ML and mathematics. ⮩ ⚙️ Back-end Development As a back-end developer, alongside employment I created the open-source project https://github.com/AndrewWalsh/openapi-devtools, and gave talks on the topic of automation of underlying API contracts via the OpenAPI standard at LaunchAcademy in Vancouver, Canada. And at API Conference in Berlin, Germany. I have extensive experience with REST and GraphQL APIs. I am also experienced in system architecture and have designed systems such as InsurTech validation workflows. ⮩ 🎨 Front-end Development Advanced knowledge of TypeScript, JavaScript, and frameworks like React. Broad experience across a range of front-end projects, including Electronic Health Records for telemedicine, dashboards for Kubernetes, and data analytics platforms. Robust understanding of the broader front-end ecosystem and advanced topics such as accessibility, web workers and service workers, bundling and practices such as code splitting, responsive design, various approaches to state management, and UX. ⮩ 🤖 Artificial Intelligence and Machine Learning Completed 12 8-week modules for a Master of Science in Artificial Intelligence at the University of Bath, with only the dissertation remaining. I have developed neural network models for HealthTech companies, and created data engineering projects for startups in the USA. Proficient with libraries such as Pandas/NumPy and data science practices.

Freelance Back-End Developer - Emmanuel Gbenga
Freelance Back-End Developer5.0 (23 reviews)

Hello, I am Emmanuel and I have over 6 years of hands-on experience in software development, data analysis, and machine learning, I'm excited to bring my expertise to the role of a mentor. My passion for guiding and nurturing the next generation of developers fuels my desire to share experiences, insights, and best practices. I believe in the transformative power of mentorship and am committed to making a positive impact on the lives and careers of aspiring individuals. Through dedication, integrity, and a nurturing approach, I aim to provide guidance, support, and encouragement in an environment where mentees can thrive and grow. I'm eager to contribute to the program and embark on this fulfilling journey of mentorship, inspiring and empowering others to reach their full potential.

Freelance Back-End Developer - MOSHOOD SHABI
Freelance Back-End Developer5.0 (279 reviews)

A full-stack software engineer with years of experience in the software development industry. I'm an experienced full-stack developer with top-level proficiency in any of the technologies listed below.

Freelance Back-End Developer - Duc Duy Bui
Freelance Back-End Developer5.0 (416 reviews)

Freelancer, Professional with over 13 years of experience specializing in developing solutions for finance and insurance companies. My strength is learning new technologies fast and I'm a technology enthusiast.

Freelance Back-End Developer - Kazi Sohan
Freelance Back-End Developer5.0 (71 reviews)
featured badge

I love to teach what I know. I think I can explain things easily with examples. I have been working as a Software Engineer for the last 5 years and have worked with some of the world's most reputed companies like **Open AI, Scale AI, Doloras Lab**, etc as a freelancer.

Freelance Back-End Developer - Kshitiz
Freelance Back-End Developer5.0 (10 reviews)

A seasoned software developer who worked with Amazon and has 6+ years of experience developing applications that scale efficiently and remain maintainable in the larger frame of the product lifecycle. Have built robust applications which have scaled from 500 to 21+ million users serving one of the biggest supply chains in the world. Have also delivered on projects of all sorts in Java and Python with companies like Samsung and Paytm as well as freelancing with multiple Silicon Valley startups. Also have mentored a lot of folks at all ages and levels in Data structures, Algorithms, Web development, System design, and programming languages like Python, Java, JS, Golang, etc. Come say Hi👋 First session is always on the house :) See if my teaching style really makes a difference in your journey or not

Freelance Back-End Developer - Nilesh
Freelance Back-End Developer5.0 (321 reviews)
featured badge

👋 Hi there! I'm a Tech Lead at Databricks and have previously worked with amazing teams at Uber, Amazon, and Microsoft. With years of experience in the tech industry, I specialize in algorithms, machine learning, and distributed systems. Beyond solving challenging problems, I’m deeply passionate about sharing knowledge and helping others grow. Whether it's debugging tricky issues, designing scalable architectures, or mentoring, I'm here to help you tackle your technical challenges with confidence. Let’s collaborate and level up together! 🚀

Freelance Back-End Developer - Sourav Paul
Freelance Back-End Developer5.0 (50 reviews)

Sourav is a Senior Software Developer at IBM Research Lab. He is working as a Full-Stack Developer in building highly scalable, resilient distributed systems. Sourav will help you with to prepare coding interviews, System Design for FAANG and other top product companies Have been passionately solving Leetcode, HackerRank, Codechef, Codeforces, Codesignal problems, and enthusiastically solving problems with the analysis of space... ♛ Career Domain - ▪️ Data structures & algorithms. ▪️ Large-scale distributed systems(HLD/LLD). ▪️ E2E Backend system architecture(API Gateways/LB/Cache/DB/Messaging Queues/Microservices). ▪️ REST APIs/Data Streams/Batch Jobs/Event-driven systems. ▪️ Java/Rx/SpringBoot/Hibernate/MySQL/Cassandra/Docker/Kubernetes/CICD/Git/Cloud. ▪️ Software engineering mentorship to the freshers/experienced professionals. ♛ Key Responsibilities - ▪️ Building scalable quality software solutions by designing, writing code, and unit tests through consistent development practices with a focus on continuous integration/continuous deployment, continuous monitoring, and automated testing(TTD/BDD). ▪️ Debugging software components, identifying code defects, and remediating the buggy flow. ▪️ Participating in code reviews and collaborating on best practices with colleagues. ▪️ Enabling the deployment, support, and monitoring of software across test, integration, and production environments. ▪️ Identifying opportunities for adopting new technologies. ▪️ Demonstrating increased self-reliance to achieve team goals. Influencing team members with creative changes and improvements by challenging the status quo and demonstrating risk-taking. ▪️ Effectively interpreting technical & business objectives, functional/non-functional requirements, involved challenges, and articulating solutions. ▪️ Collaborating with a team of Engineers, Scrum Master, and Product Owner to effectively achieve objectives by clearly communicating ideas and concepts. ▪️ Mentoring and guiding junior team members to success within the team. ▪️ Interviewing college grads/senior engineers as part of global hiring events across the org. ```Feel free to reach out for anything related to,``` ▪️ Software Design/Development/Prototyping/Pair coding. ▪️ Web Technologies/API design/Code reviews. ▪️ Career development/Consulting/Training/Mentorship/Interviews in technology/DSA/System Design. ▪️ Business Idea and its transformation into technology.

View more freelance Back-End developers

How to hire a freelance Back-End developer on Codementor

Post a Back-End request
arrow
STEP 1

Post a Back-End request

We'll share your request with freelancers with relevant Back-End skills and expertise.

Review & chat with Back-End freelancers
arrow
STEP 2

Review & chat with Back-End freelancers

Use our messaging feature to instantly chat with freelance Back-End developers around the world.

Hire the best Back-End freelancer
STEP 3

Hire the best Back-End freelancer

Choose the best freelance Back-End developer that meets your needs.

Frequently asked questions

How long do Back-End projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Back-End project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Back-End request on Codementor, check out our article.

How much does it cost to hire a freelance Back-End developer?

We don’t charge anything when you post a freelance hiring request for Back-End developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor Back-End developers different?

We do a comprehensive technical and communications screen of all Back-End developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Back-End developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your Back-End project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

Hire a Freelance Back-End Developer in 6 mins

Sign up as a freelancer