Hire the top 3% of freelance Unit Testing Experts.

Toptal is a marketplace for top Unit Testing Experts. Top companies and start-ups choose Toptal Unit Testing freelancers for their mission-critical software projects.
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Nicholas Wakeman, United States

Member since July 28, 2017
Nick's been architecting and developing applications for over a decade, working in both PHP and Python. In addition to a rich full-stack skill set, his business acumen and ability to communicate effectively with clients and stakeholders regardless of their technical ... Click to continue

Shalva Jashiashvili, Georgia

Member since March 21, 2016
Shalva is a full-stack developer with several years of experience. The programming languages that he uses on a day-to-day basis are Python and Java/Kotlin. He always aims to deliver well-written, maintainable, and high-quality code using design patterns and principles. Click to continue

Jonathan Rhone, United States

Member since January 3, 2014
Jonathan is a full-stack engineer who's as comfortable working on large-scale distributed systems as he is on client-facing single-page web apps. Jon also excels at working with big data, and has frequently worked on a petabyte scale. Click to continue

Kamil Jakubczak, Poland

Member since June 17, 2017
Kamil is a React, React Native, and JavaScript enthusiast (with a small dose of .NET experience). He recently became hooked by mobile development, deployment, and whatever is needed for it, mostly due to React Native being superb and fun to work with. Click to continue

Andy Potanin, United States

Member since January 30, 2018
Andy is a businessman who understands the fundamentals of business and who knows how to code. Overall, he's very experienced in nearly all aspects of contemporary web development, deployment, DevOps, and the elements of building a solid stack that can scale. Early on... Click to continue

Teimur Gasanov, Kyrgyzstan

Member since March 30, 2018
Teimur is a purposeful full-stack developer who's worked mostly with JavaScript, Go, and Python. He's also experienced in setting up environments with Docker and creating CI/CD using Jenkins. While a relatively new to this particular field, Teimur is also enthusiasti... Click to continue

Francesco Scotti, Russia

Member since September 19, 2017
Francesco is a web developer mainly focused on PHP development with over a decade of experience in the field and the past three in a professional environment. He's developed all sorts of websites from simple WordPress and eCommerce sites to complex online management ... Click to continue

Fahad Munawar Khan, Pakistan

Member since July 25, 2015
Fahad is a certified Salesforce and Force.com developer with more than six years of experience working on various client engagements in the web technology area. He takes pride in creating solutions that not only satisfy the requirements but also makes the best possib... Click to continue

Francis Altomare, Austria

Member since March 21, 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 b... Click to continue

Hakob Poghosyan, Armenia

Member since October 20, 2017
Hakob is a full-stack web developer with over four years of experience. He initially started out developing with C# but became consumed with JavaScript development and currently, mainly works with that tech stack along with Angular (5+) and Node.js. While he has a pa... Click to continue