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Top freelance Java developers available to hire

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Freelance Java Developer - Adrian Segui
Freelance Java Developer5.0 (207 reviews)

Working in the IT sector for more than 10 years. With over 10 -years of freelancing and professional experience taught me all kinds of frameworks and languages, ranging from React, Angular, Vue, Node js, Express js, React Native, Redux, Rx JS, JavaScript, Typescript, WordPress, PHP, MySQL, MongoDB, Firebase, Sqlite, Postgresql, ES5+, Python3, Machine Learning, Deep Learning, RNN, CNN, Android Java/Kotlin, iOS Swift/SwiftUI, C/C#/C++, .Net, Assembly, VBA, VB, Excel Macro, Java, Spring Boot Micro-services, Zoho, Salesforce, Hubspot, R, Shiny, STATA, MATLAB, Google Sheet, App Script, Bubble io, etc. Over my long career, I have come across all kinds of challenges and gained vast experience with different kinds of industries like portals, medical industry, perception exercise, employee management, etc. I have good experience with frontend development using React JS along with Typescript, Firebase, GraphQL, React Native, Native Script, React, Material UI, Ionic, Node.js, Web Sockets, and real-time communication. I have also worked on containerization technologies like Kubernetes, Docker, AWS, GCP, Azure etc. I am very good with backend technologies as well like Java Spring boot, Microservices, MySQL, Postgres, Elasticsearch, AWS/Google integration. Please contact me to get the result done in a professional way.

Freelance Java Developer - SALAKO TESLIM
Freelance Java Developer5.0 (32 reviews)

Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.

Freelance Java Developer - RajhaRajesuwari S
Freelance Java Developer5.0 (2370 reviews)
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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 - Opeoluwa Lanre
Freelance Java Developer5.0 (131 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 - Christian Schlosser
Freelance Java Developer5.0 (6 reviews)

I am a seasoned German C++ coder (10+ years of coding) and have high skills in C, C++, C#, Qt, Java, JavaScript, HTML, CSS, Kotlin, PHP, SQL, and Python. Main Skills: * Developing Windows Desktop and Other Programs (C/C++/C#, ASP.NET, Qt, Java) * Browser Extension, Cross Platform Kernel Driver, Image & Video processing. * Machine Learning and Artifical Intelligence Python * Converting or porting code from one programming language to another. Programming language. * C/C++/C#, Qt, JAVA * Python Experience * Android, iOS mobile development with React and protection * Cross Platform Kernel Driver Development Secondary Skills: * Review project and make design document and analysis document. * Write article or whitepaper Thank you for your reading my profile.. Regards.

Freelance Java Developer - Christoph Gulden
Freelance Java Developer

Hi! I’m Christoph — a certified Python developer (PCPP1), experienced software engineer, and ex-BCG consultant. I’ve helped professionals and teams debug smarter, prep for certifications, and turn complexity into clarity. **Let’s simplify your next challenge.**

Freelance Java Developer - Daniel Uche
Freelance Java Developer5.0 (55 reviews)

Daniel Uche is a senior Full Stack software engineer with great skills. I live and breathe code, as a software craftsman, I craft code that scales for web and mobile. I have built applications that serve millions of user traffic. Feel free to hit me up on any problem you might have across **React**, **Redux**, **Node**, **JavaScript**, **Mobile app**, **Software Architecture**, **Software Engineering**, **Database Design**. I can help make complex concepts look simple. I can also help with your Software Analysis project using **LLVM Compiler Infrastructure** Also I am familiar with CI/CD, container container orchestration and elastic search and logstash ecosystem.

Freelance Java Developer - Erum Mehmood
Freelance Java Developer5.0 (51 reviews)

Embark on a transformative coding journey with me, a visionary computer science expert and a passionate mentor, bringing over two decades of rich expertise in the dynamic realms of programming, data science, and software architecture. My technical skills span across a broad spectrum, including mastery in programming languages like Python, Java, C++, C, and Scala, along with a profound understanding of algorithms, data structures, and the complex art of software design. My research interests include big data analysis, semi-stream join algorithms, and real-time data warehousing. As a mentor, I've illuminated the path for students globally, from prestigious universities in the USA, Australia, Canada, and the UK, in a vast array of subjects from Big Data Analytics to Cyber Security, and advanced programming languages. Currently, I am a lecturer of Computer Science at a Higher Education Institute. My academic prowess is underscored by a **PhD** in Computer Science, with my doctoral thesis titled: "Integrated Real-Time Distributed Stream-Disk Processing Architecture for Unstructured Big Data". Join me on codementor, where together, we'll navigate the intricacies of technology, unleashing the potential to innovate, solve real-world problems, and excel in your programming career.

Freelance Java Developer - Miral Gaywala
Freelance Java Developer5.0 (14 reviews)

I have been in this industry for 10+ years with consistent knowledge in developing mobile apps and website with expertise at: - React Native, - Flutter, - ReactJS, Javascript, Typescript, HTML, CSS, JQuery - NodeJS, ExpressJs - PHP/CodeIgniter, Laravel - PostgreSQL, MYSQL, MongoDB - iOS, Swift, SwiftUI - Android, Java, Kotlin - Firebase I also have a deep understanding of cloud computing platforms such as AWS, Azure, and Google Cloud. Contact me if you: have a technical issue to solve. want mobile/web application developed from scratch. want me to work on an on-going project. want me to develop a difficult module want me to implement new functionality in an on-going project want me to create or change UI/UX want me to develop a database. My availability: Usually 8 Hours per day and 6 days in a week, but can work for more hours depending on project and client demand. Feel free to ask me anything you may want to know. **FIRST 15 MINS FREE SESSION**

Freelance Java Developer - Evandro Mendes Cascaes
Freelance Java Developer

I'm a senior Full-stack software engineer with 15 years of experience in web development. I have always focused on delivering well-coded, easy-to-use, and high-performance applications.

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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?

As a platform, we strive to ensure you’re always happy with your Java 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.

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