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Top freelance Java developers available to hire

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Freelance Java Developer - Ajay Sharma
Freelance Java Developer5.0 (6 reviews)

I enjoy sharing my knowledge and helping others grow in their careers. I find it rewarding to evaluate candidates, provide constructive feedback, and contribute to building strong, skilled teams.

Freelance Java Developer - Opeoluwa Lanre
Freelance Java Developer5.0 (163 reviews)
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A full-stack software engineer passionate about crafting scalable, high-performing web solutions. With a strong focus on appealing user interfaces, efficient software design, and outstanding online platforms, I leverage my tech stack to build exceptional products. I thrive on collaborating with other talented engineers to deliver quick and effective solutions.

Freelance Java Developer - Ajayi Richard
Freelance Java Developer4.9 (23 reviews)
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Hi there! I'm a seasoned Software Engineer with expertise in designing scalable solutions and building high-performance applications. From startups to enterprise clients, I've successfully delivered projects that meet business needs and exceed expectations. Let's create something amazing together!

Freelance Java Developer - Mihir Mehta
Freelance Java Developer5.0 (42 reviews)

Senior Full‑Stack Developer with over seven years’ experience designing, building and maintaining large‑scale web applications. Track record of delivering end‑to‑end solutions by partnering with stakeholders to translate business and user needs into reliable software. Committed to clean, maintainable code, performance tuning, security best practices, and automated CI/CD pipelines. Nearly two years of hands‑on AI experience, integrating machine learning models and automation to boost product intelligence. I’ve contributed as a developer at global leaders Adobe and Newgen, as well as at high‑growth startups MoveInSync and Zillious Solutions. Skills Advanced: Java, MySQL, PostgreSQL, Spring, Hibernate, Spring Boot, Maven/Gradle, Microservices, Multithreading & Concurrency Control, Web Services (SOAP & REST), RPC, Git, Google Cloud Platform (GCP), Database Modeling & Schema Design, SQL (Stored Procedures/Functions, Triggers), Docker, Kubernetes. Intermediate: TypeScript, Python, Angular, React, API Gateway, Service Discovery, Load Balancer, ELK Stack, Kafka, RabbitMQ, Redis Cache, RAG (Retrieval-Augmented Generation), AI Agents, LangGraph, Vector Databases, AI Workflows, Fine‑Tuning. Core Strengths: Scalable system design, back‑end architecture, data structures & algorithms. How I Can Help You – I’m here to tackle your toughest technical challenges with expertise and dedication. Special Offer – Enjoy your first session free! (Terms & Conditions apply — let’s discuss your needs during our requirement-gathering call.) Satisfaction Guaranteed – Not satisfied? Request an instant refund, no questions asked. For a comprehensive overview of additional technologies and frameworks tailored to your needs, please refer to the Expertise section of my profile.

Freelance Java Developer - Behnam Anjomruz
Freelance Java Developer5.0 (35 reviews)

I have been helping multiple companies since 2008. So probably somewhat qualified to answer the same. Being a code mentor, I will have the opportunity to get involved in different technical challenges that I really love. Next, I'm usually pretty good at answering odd questions.

Freelance Java Developer - Duc Duy Bui
Freelance Java Developer5.0 (443 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 Java Developer - Raj S
Freelance Java Developer

**Full Stack Developer** with a strong focus on backend (75%) and frontend (25%) development. **Domain Expertise:** Experienced in delivering solutions across multiple industries, including **Banking (RPA) Automation**, **Telecom**, **Semiconductors**, **Airlines**, **Automotive**, and **Web Portals**. Skilled in building both **desktop and web-based applications** \*\*Recent proejects with US/Offshore 1: Pattern recognition github repository with ML/Python/Snowflake for BTCUSDT ETHUSDT 2: ecommerce webportal 3: Webportal with real estate US client 4: Rpa automation for banking & manufacturing client. 5: Monolithic to microservices. 6: AI-Test Automation Playwright MCP ✅ Open to **full-time** or **freelance** opportunities 🌍 Flexible and available to work across **different time zones**

Freelance Java Developer - RajhaRajesuwari S
Freelance Java Developer5.0 (2399 reviews)

MY WORK HOURS : 7AM to 11 PM INDIAN STANDARD TIME . 16 HOURS A DAY :) I am an experienced full stack developer 15 years in the field with consistent knowledge in developing web portals with expertise in all opensource of PHP like Wordpress , Opencart, Oscommerce, Shopify, Magento, Joomla and all frameworks of PHP - cake php , larvel, CodeIgniter, YII . I do also offer services in SEO, Malware removal, speed optimizations , Skilled with Javascript ,Node js and React . Hence moving forward with full stack development Faster delivery and 24/7 communication are my greatest plus. I do have a team of 10 . 2 designers and 8 coders to support on large scale web developments

Freelance Java Developer - Calvin Tham
Freelance Java Developer5.0 (432 reviews)

- 5+ projects in freelancing mobile+website games in Construct 3 for clients - 1 year of daily tutoring in Construct 3 and C++ - 3 years of school learning experience with Java - 5 months of tutoring in Unity game dev - published one commercial Construct 2 game on Wii U "Reversi 32" - tutored Intro to Computer Science material using Python with Minecraft every week since Dec 2019

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Frequently asked questions

How long do Java 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 Java 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 Java request on Codementor, check out our article.

How much does it cost to hire a freelance Java developer?

We don’t charge anything when you post a freelance hiring request for Java 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 Java developers different?

We do a comprehensive technical and communications screen of all Java 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 Java developers’ user satisfaction rates.

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

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