Hire the Top 3% of Freelance NUnit Developers

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

No-Risk Trial, Pay Only If Satisfied.

Hire Freelance NUnit Developers and Engineers

Karol Szymanski

Freelance NUnit Developer
PolandToptal Member Since November 16, 2021

Karol is a .NET developer with 15 years of experience in all software development cycles. He excels in requirements gathering, estimates, features description and breakdown, architecture design, development, CI/CD, production deployment, support, and troubleshooting. Karol is focused on understanding the client's needs and recommending the best solutions.

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Stuart Corrans

Freelance NUnit Developer
United KingdomToptal Member Since June 25, 2019

Stuart is a certified Azure developer and architect with 20+ years of experience. In recent years, he has specialized in enterprise integration and back-end projects, tackling problems of big data, scale, performance, and observability. He is passionate about mentoring, training, and technical writing, ensuring knowledge is transferred to developers and users when a project is completed. Stuart is currently ranked inside the top 0.2% of Stack Overflow.

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Alastair Pandelus

Freelance NUnit Developer
United KingdomToptal Member Since October 12, 2020

Alastair is a Scottish based IT consultant with extensive experience in full-stack and Azure development, primarily focused on Microsoft .Net, database, and cloud technologies. He has experience in a variety of business sectors including financial services (investment, retail, and personal banking - securities, life, and pensions), service sector, public sector, technical and engineering, manufacturing environments (competent written and mathematical skills), and research and development.

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María Laura Rodríguez

Freelance NUnit Developer
CanadaToptal Member Since November 17, 2015

Laura is a computer software engineer with 9+ years of experience in a wide variety of business applications. She has solid knowledge in creating web applications on the .NET platform, is very proactive and responsible, and has 3+ years of experience in project leadership, process management, best practices, and technical decision-making.

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Pawel Wlizlo

Freelance NUnit Developer
PolandToptal Member Since July 15, 2021

Pawel is an experienced test automation developer, software tester, scrum master, and team leader. He led a ten-person test automation team, created test automation strategies, and developed top-quality software for clients. He is an expert in designing and creating entire automation processes for web, mobile, desktop, APIs, and performance tests integrated with CI/CD. Pawel has created and tested software for the transportation, banking, finance, IT, and telecommunications industries.

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Benny Xiong

Freelance NUnit Developer
CanadaToptal Member Since June 15, 2021

Benny is a performance-driven and motivated full-stack developer with 15+ years of extensive experience in all phases of software development. Benny is an expert in developing, supporting, and maintaining an organization's applications through requirement collection, analysis, design, coding, testing, debugging, documentation, and support.

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Christina Lin

Freelance NUnit 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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Srdjan Miljus

Freelance NUnit Developer
SerbiaToptal Member Since March 22, 2024

Srdjan is a senior QA engineer with expertise in test automation and manual testing for web and mobile applications. He has created test automation frameworks from the ground up utilizing Selenium in several projects and automated API testing using RestSharp and Postman. With experience in private and public sectors, Srdjan has worked with large, medium-sized, and small startup companies and has experience defining processes, procedures, and tools to achieve the best quality.

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Jakub Obstarczyk

Freelance NUnit Developer
PolandToptal Member Since June 25, 2021

Jakub is a senior QA automation engineer with many years of experience in telecommunications and digital identity. His expertise includes Agile methodologies, test automation, quality assurance, behavior-driven development, and test planning, and he has a keen ability to transition from manual to automated testing. Jakub has designed and implemented QA testing for Mastercard, Capgemini, and several other small and midsized businesses.

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Csaba Keri

Freelance NUnit Developer
SwitzerlandToptal Member Since October 9, 2020

Csaba is a full-stack developer who's been working with C# and SQL since 2001 and as an architect since 2015. Csaba is comfortable working with companies of all sizes using both the Waterfall and Agile methodologies and has experience in banking & finance (ten years), aviation (six years), and TV/radio stations (four years). Csaba also excels at database & application architecture planning, implementation, quality assurance, data transformation (ETL), and performance optimization.

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Sergio Ruben Silva

Freelance NUnit Developer
New ZealandToptal Member Since December 16, 2019

Since 2007, Sergio has worked as a QA test automation engineer at a variety of companies, including EPSON Argentina, Globant, and Vista Entertainment. He's completed quality assurance tasks in a wide array of environments, including firmware for fiscal printers, web apps, web services, and desktop/mobile apps. Sergio is also comfortable creating test automation frameworks for web apps and enjoys mentoring.

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CEO & Co-Founder

I am more than pleased with our experience with Toptal. The professional I got to work with was on the phone with me within a couple of hours. I knew after discussing my project with him that he was the candidate I wanted. I hired him immediately and he wasted no time in getting to my project, even going the extra mile by adding some great design elements that enhanced our overall look.

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The developers I was paired with were incredible -- smart, driven, and responsive. It used to be hard to find quality engineers and consultants. Now it isn't.

Ryan Rockefeller


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.

Jason Kulik


As a small company with limited resources we can't afford to make expensive mistakes. Toptal provided us with an experienced programmer who was able to hit the ground running and begin contributing immediately. It has been a great experience and one we'd repeat again in a heartbeat.

Stuart Pocknee


How to Hire NUnit Developers Through Toptal


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.

Work With Hand-Selected Talent

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

The Right Fit, Guaranteed

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


  • How are Toptal NUnit developers different?

    At Toptal, we thoroughly screen our NUnit 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.

  • Can I hire NUnit developers in less than 48 hours through Toptal?

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

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

    We make sure that each engagement between you and your NUnit 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.

Tap Into World-Class Talent

  • Trusted Experts Only

    Trusted Experts Only

    All of our talent are seasoned experts who ramp up quickly, readily contribute as core team members, and work with you to minimize onboarding time.

  • The Right Fit

    The Right Fit

    We have a knack for matching you with the right fit. Start working with your new hire on a no-risk trial period, paying only if satisfied.

  • Scale as Needed

    Scale as Needed

    Hire talent within 48 hours and scale your team up or down as needed, no strings attached.

  • Seamless Hiring

    Seamless Hiring

    We handle all aspects of billing, payments, and NDA’s. Let us take care of the overhead while you focus on building great products.

  • Flexible Engagements

    Flexible Engagements

    Choose the engagement type that suits your needs — hourly, part-time, or full-time — with the ability to change anytime.

  • Expert Talent Matching

    Expert Talent Matching

    Focus on your project and enjoy support from your dedicated account executive and expert talent matcher.

Top NUnit Developers Are in High Demand.

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