Hire the Top 3% of Freelance JUnit Developers

Toptal is a marketplace for top JUnit developers, engineers, programmers, coders, architects, and consultants. Top companies and startups choose Toptal JUnit freelancers for their mission-critical software projects.

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Clients rate Toptal JUnit developers 4.9 / 5 on average based on 1,328 reviews.

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Hire Freelance JUnit Developers and Engineers

Chris Powell

Freelance JUnit Developer
United States
Toptal Member Since August 30, 2019

Chris is an experienced Android developer that has delivered quality applications across multiple industries. He has nearly 15 years of experience and holds a Master of Science degree in Computer Science from New York University. He primarily uses Kotlin, Android SDK, JUnit, RxJava, and MVVM.

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Andrii Mysnyk

Freelance JUnit Developer
Ukraine
Toptal Member Since September 7, 2016

Andrii is a hard-working and innovative full-stack Java Developer with over 5 years of experience in a variety of back-end and front-end technologies including Java EE, Spring, Hibernate, JUnit, SQL, Ext JS, AngularJS, Node.js, HTML, and CSS. Andrii fearlessly takes on new challenges and prides himself on his responsibility, friendliness, and a willingness to collaborate and help fellow colleagues.

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Manoela Georgieva

Freelance JUnit Developer
Bulgaria
Toptal Member Since October 10, 2022

Manoela has 5+ years of experience in quality assurance, including writing automation tests using Java and Selenium for web testing and REST Assured for API. She also has experience using Git, Jenkins, Jira, TestRail, and JUnit. She worked in large teams of over ten QAs and was the only tester in a team with four developers. Being detail-oriented, Manoela enjoys analyzing requirements to find the best testing strategy to meet and exceed clients' expectations.

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Adrian Lachowski

Freelance JUnit Developer
Poland
Toptal Member Since April 11, 2019

Since 2014, Adrian’s been developing with Java along with a variety of testing frameworks (JUnit/TestNG, Selenium, Cucumber, REST Assured) and tools (JMeter, SoapUI, IntelliJ IDEA). He’s also worked with a number of teams and projects so he can communicate easily and can adapt to new work environments quickly. Work wise, Adrian is passionate about test automation and he joined Toptal to share his expertise on freelance projects around the world.

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Trinadh Amireddy

Freelance JUnit Developer
India
Toptal Member Since April 4, 2022

Trinadh is an experienced software engineer with a demonstrated history of success working in the computer software industry. Skilled in designing systems using Java, Spring Boot, PostgreSQL, AWS S3, Amazon SQS, and JUnit, Trinadh excels in projects requiring Java-related technologies because they involve more coding and design. Trinadh was awarded best employee for delivering features in time while improving the processes and enhancing results.

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Rubén Martínez

Freelance JUnit Developer
Spain
Toptal Member Since June 3, 2020

Rubén is a highly motivated senior software engineer continuously updated on state-of-the-art technologies and enjoys programming. He offers five years of experience as a software architect and more than 15 years of experience in the full software development cycle.

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Gülberal Kırçiçeği Yoksul Korkmaz

Freelance JUnit Developer
Turkey
Toptal Member Since March 3, 2017

Kırçiçeği is an experienced project manager and developer. She has experience in banking applications, eCommerce, and cloud computing, and her primary expertise is in an environment using Java, Spring, and AngularJS. She is a great fit for enterprise clients and startups alike.

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Adrián Antón Collado

Freelance JUnit Developer
Spain
Toptal Member Since June 2, 2021

Adrián is an expert in Calypso technology and its integration with other client ecosystems, especially where Java expertise is required. He has guided some of the most challenging projects in the European investment bank industry, focusing on complete automation of project lifecycles applied to banking industry processes such as accounting, regulatory reporting, payments, CI/CD, user acceptance testing, and configuration management.

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Ahmed Hamed

Freelance JUnit Developer
United Kingdom
Toptal Member Since July 18, 2017

Ahmed is a full-stack web developer with eight years of experience. He specializes in building the back end using Java technologies and Ruby on Rails while building the front end using React and Angular. Currently working at Google UK, Ahmed has a bachelor's degree in computer science from Cairo University and is keen to work on his next development challenge.

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Joe Cavazos

Freelance JUnit Developer
United States
Toptal Member Since June 19, 2016

Joe is a principal Java developer and architect with over 14 years of experience developing enterprise and small-scale applications, primarily written in Spring Boot. He has experience at all stages of the SDLC and is well-versed in relational databases, application servers, REST APIs, unit testing, and AWS.

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Katarina Milic

Freelance JUnit Developer
Serbia
Toptal Member Since August 16, 2019

Katarina has several years of experience working as both an automation QA and developer—mainly creating automation test infrastructures and continuous integration processes. While working for the MathWorks, she developed test tools in Java, improved build infrastructure, and ran automation, performance, and manual tests. She's also worked as a technical team lead, supervised internship projects, and interviewed candidates for the QA position.

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Toptal understood our project needs immediately. We were matched with an exceptional freelancer from Argentina who, from Day 1, immersed himself in our industry, blended seamlessly with our team, understood our vision, and produced top-notch results. Toptal makes connecting with superior developers and programmers very easy.

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How to Hire JUnit Developers Through Toptal

1

Talk to One of Our Industry Experts

A Toptal director of engineering will work with you to understand your goals, technical needs, and team dynamics.
2

Work With Hand-Selected Talent

Within days, we'll introduce you to the right JUnit developer for your project. Average time to match is under 24 hours.
3

The Right Fit, Guaranteed

Work with your new JUnit developer for a trial period (pay only if satisfied), ensuring they're the right fit before starting the engagement.

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FAQs

  • How quickly can you hire with Toptal?

    Typically, you can hire a JUnit developer with Toptal in about 48 hours. For larger teams of talent or Managed Delivery, timelines may vary. Our talent matchers are highly skilled in the same fields they’re matching in—they’re not recruiters or HR reps. They’ll work with you to understand your goals, technical needs, and team dynamics, and match you with ideal candidates from our vetted global talent network.

    Once you select your JUnit developer, you’ll have a no-risk trial period to ensure they’re the perfect fit. Our matching process has a 98% trial-to-hire rate, so you can rest assured that you’re getting the best fit every time.

  • How do I hire a JUnit developer?

    To hire the right JUnit developer, it’s important to evaluate a candidate’s experience, technical skills, and communication skills. You’ll also want to consider the fit with your particular industry, company, and project. Toptal’s rigorous screening process ensures that every member of our network has excellent experience and skills, and our team will match you with the perfect JUnit developers for your project.

  • How are Toptal JUnit developers different?

    At Toptal, we thoroughly screen our JUnit developers to ensure we only match you with the highest caliber of talent. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut.

    In addition to screening for industry-leading expertise, we also assess candidates’ language and interpersonal skills to ensure that you have a smooth working relationship.

    When you hire with Toptal, you’ll always work with world-class, custom-matched JUnit developers ready to help you achieve your goals.

  • Can you hire JUnit developers on an hourly basis or for project-based tasks?

    You can hire JUnit developers on an hourly, part-time, or full-time basis. Toptal can also manage the entire project from end-to-end with our Managed Delivery offering. Whether you hire an expert for a full- or part-time position, you’ll have the control and flexibility to scale your team up or down as your needs evolve. Our JUnit developers can fully integrate into your existing team for a seamless working experience.

  • What is the no-risk trial period for Toptal JUnit developers?

    We make sure that each engagement between you and your JUnit developer begins with a trial period of up to two weeks. This means that you have time to confirm the engagement will be successful. If you’re completely satisfied with the results, we’ll bill you for the time and continue the engagement for as long as you’d like. If you’re not completely satisfied, you won’t be billed. From there, we can either part ways, or we can provide you with another expert who may be a better fit and with whom we will begin a second, no-risk trial.

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