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 Developers4.5 / 5.0on average across 1,442 reviews as of May 23, 2024

Hire Freelance JUnit Developers and Engineers

Alex Nitu

Freelance JUnit Developer
RomaniaToptal Member Since May 29, 2019

Alex is a highly efficient and reliable Android software engineer with more than eight years of industry experience. He has architected complex systems throughout his career, led teams, and helped build products used by millions of users. Having also been in charge of monitoring and maintaining production applications, Alex favors simple software solutions that are easy to change.

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Jovana Rajkovic

Freelance JUnit Developer
SerbiaToptal Member Since March 22, 2018

For the past seven years, Jovana has worked as a QA engineer collaborating with various QA teams and on complex functional testing (manual and automation) on multiple types of applications. She's passionate about bug hunts and is known as a hard-working team player who loves to learn. Jovana thrives under pressure and this can be seen in her history of successfully dealing with deadlines and product deliveries.

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Christina Lin

Freelance JUnit Developer
CanadaToptal Member Since March 6, 2018

Christina is a senior QA engineer with expertise in test automation, test management, and manual testing for web and mobile applications. She has created test automation frameworks from the ground up using Selenium WebDriver in several projects as well as automating API testing using REST-assured and Postman. With experience in both private and public sectors, Christina has worked with large, medium-size, and small startup companies.

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Tomasz Dąbrowski

Freelance JUnit Developer
PolandToptal Member Since October 30, 2015

Tomasz is a creative developer with over fifteen years of experience designing and implementing Java applications. He is a team player, enthusiastic about learning new technologies and trying out different ideas and approaches to process improvement. Tomasz has worked for international companies, such as Hewlett-Packard and Silicon Valley startups. Currently, he helps small and medium companies to create Java-based solutions.

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Francis Altomare

Freelance JUnit Developer
AustriaToptal Member Since May 23, 2016

Francis is an experienced full-stack engineer with a focus on JVM languages and native mobile. As a startup veteran and co-founder of StormPins, he has first-hand experience growing ideas from concept, bringing them into production, and scaling as they grow. He has built apps for iOS and Android and is as comfortable developing APIs as he is deploying them. He loves working with Java and will always have a soft spot in his heart for Objective-C.

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Pere Casafont

Freelance JUnit Developer
SpainToptal Member Since May 6, 2015

Pere is a software architect with over a decade of experience working on JVM-based back-end products ranging from custom binary protocols to REST APIs on Ktor. He has a remarkable ability to work on and get the best out of any kind of project. Once Pere is in a team, they will gradually notice an increase in that team's cohesion and performance, no matter his position in it. He is very communicative, proactive, and committed to the projects he works on.

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Nemanja Veskovic

Freelance JUnit Developer
SerbiaToptal Member Since January 6, 2017

Nemanja is a passionate QA engineer with more than 16 years of experience working with various QA teams and on complex functional and performance testing (manual and automation), creating full continuous integration setups from scratch and ensuring QA is implemented in all software development stages from design to deployment. Nemanja also has six years of experience in QA team lead roles, including interviewing and hiring new team members.

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Perit Bezek

Freelance JUnit Developer
TurkeyToptal Member Since June 27, 2019

Perit is a seasoned software developer with 20 years of professional experience, which consists of work on various enterprise application projects, mobile application projects, and cloud computing platforms, of which he has extensive knowledge of. He is exceptionally skilled in developing Spring-based Java back ends and Angular/React-based front ends.

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Jorge Nicolás Cellerino

Freelance JUnit Developer
ArgentinaToptal Member Since March 7, 2016

Jorge has many years of experience working with Node.js, TypeScript, SQL, React, Java, and related frameworks like Express and Spring. He has recently focused on Agile methodologies for building RESTful web services for mobile and web applications. Jorge is responsible, proactive, a fast learner, committed to results, and well-accustomed to working with distributed teams in different time zones.

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Rodolfo Luis Leyes

Freelance JUnit Developer
ArgentinaToptal Member Since April 23, 2015

Rodolfo is a highly motivated, self-driven developer with over 15 years of experience. He started learning software programming in his early youth, learning basics from a book and playing around with an old 8086 PC. He is a professional who looks forward to working on high-quality projects. Rodolfo prides himself in his ability to dig and solve problems quickly.

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Igor Pavin

Freelance JUnit Developer
UkraineToptal Member Since December 15, 2015

Igor has more than 19 years of experience as a software engineer, developer, and architect. Most of his work has been with Linux-based Java back-end work using a Spring framework. He is a good team player, open, positive, responsible, and realistic. Igor has strong analytical skills, a broad range of IT expertise, eagerness to learn different technologies, and good communication skills.

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

  • How are Toptal JUnit developers different?

    At Toptal, we thoroughly screen our JUnit developers to ensure we only match you with talent of the highest caliber. Of the more than 200,000 people who apply to join the Toptal network each year, fewer than 3% make the cut. You’ll work with engineering experts (never generalized recruiters or HR reps) to understand your goals, technical needs, and team dynamics. The end result: expert vetted talent from our network, custom matched to fit your business needs.

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    Depending on availability and how fast you can progress, you could start working with a JUnit developer within 48 hours of signing up.

  • 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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