JetBrains creates tools that make professional software development a more productive and enjoyable experience for programmers worldwide.
As part of the ReSharper team, you will be responsible for the unit testing subsystem that powers both ReSharper (our extension for Visual Studio and VS Code-like editors) and Rider (our cross-platform .NET and game development IDE).
The unit testing subsystem is a critical component of the ReSharper and Rider ecosystem. It provides the high-performance infrastructure required to discover, manage, and execute tests across the entire .NET landscape.
In this role, you will:- Design and implement new features for unit testing framework support.
- Refactor and optimize existing code to improve performance and reliability.
- Collaborate closely with other teams to ensure high-quality, consistent support for unit testing technologies across ReSharper and Rider.
- Contribute to performance improvements, ensuring our .NET products remain fast and efficient while handling the complexities of unit testing frameworks.
- Keep up with the latest advancements in unit testing technologies to incorporate best practices into our .NET products.
- At least five years of experience in software development, with a focus on .NET technologies.
- Strong problem-solving skills and a passion for improving code quality and performance.
- Excellent knowledge of algorithms and data structures.
- Experience working with complex, legacy code and refactoring it to meet the latest requirements.
- Good communication skills and the ability to work collaboratively in a fast-paced environment.
- Proficiency in English, both written and spoken.
- Knowledge of the unit testing frameworks.
- An interest in or experience with AI-powered developer tools.
- Strong base salary. We offer competitive pay that reflects your skills and experience.
- Flexible work location. Enjoy the freedom to work from home or from the office.
- Remote work. Spend up to 30 days per year working remotely from abroad.
- Extra time off. More days to relax, recharge, and do the things you love.
- Medical insurance allowance. Enjoy peace of mind for you and your family.
- Learning and development opportunities. Access to conferences, courses, and language classes.
- Relocation support. We help make your move as smooth and stress-free as possible.
- Language classes. Pick up the local language or sharpen your English skills.
- Fuel your day. Enjoy a hot meal or receive a lunch allowance on workdays.
- Mental health support. To help you feel your best, we provide easy access to professional mental health services.
- Sports benefit. Enjoy an on-site gym or sports club stipend.
- Internal events. Join company-wide celebrations and team gatherings.
*Some benefits may vary depending on location.
#LI-MP1
We are an equal opportunity employer
We know great ideas can come from anyone, anywhere. That’s why we do our best to create an open and inclusive workplace – one that welcomes everyone regardless of their background, identity, religion, age, accessibility needs, or orientation.
We process the data provided in your job application in accordance with the Recruitment Privacy Policy.
Skills Required
- At least five years of experience in software development, with a focus on .NET technologies
- Strong problem-solving skills and a passion for improving code quality and performance
- Excellent knowledge of algorithms and data structures
- Experience working with complex, legacy code and refactoring it to meet the latest requirements
- Good communication skills and the ability to work collaboratively in a fast-paced environment
- Proficiency in English, both written and spoken
JetBrains Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about JetBrains and has not been reviewed or approved by JetBrains.
-
Fair & Transparent Compensation — Fair & Transparent Compensation: Pay is considered market-competitive for many product and engineering roles in key locations, with published salary ranges on some postings aiding expectation-setting. Feedback suggests total compensation feels fair relative to local markets even if packages are positioned as “competitive but not top‑of‑big‑tech”.
-
Flexible Benefits — Flexible Benefits: Work setup includes hybrid/remote options and flexible hours across many locations. The ability to work abroad for part of the year adds practical flexibility to where work gets done.
-
Leave & Time Off Breadth — Leave & Time Off Breadth: Time off includes additional vacation days beyond local minimums in many countries. U.S. materials also highlight PTO, sick leave, and holidays, underscoring breadth beyond statutory baselines.
JetBrains Insights
What We Do
JetBrains creates intelligent software development tools consistently used and trusted by 11.4 million professionals and 88 Fortune Global Top 100 companies. Our lineup of more than 30 products includes IDEs for most programming languages and technologies, such as IntelliJ IDEA, PyCharm, and others, as well as products for team collaboration, like YouTrack and TeamCity. JetBrains is also known for creating the Kotlin programming language, a cross-platform language used by more than 5 million developers worldwide yearly and recommended by Google as the preferred language for Android development. The company is headquartered in Prague, Czech Republic, and has offices around the world. JetBrains IDEs * IntelliJ IDEA (Java and Kotlin Developers) * PyCharm (Python developers) * PhpStorm (PHP developers) * GoLand (Go developers) * Rider (.NET developers) * CLion (C and C++ developers) * Rust Rover (Rust developers) * WebStorm (JavaScript & TypesScript developers) * RubyMine (Ruby and Rails developers) * DataGrip (Tool for multiple databases) * ReSharper (Extension for Visual Studio) * Fleet (Multilingual IDE and code editor) * Aqua (IDE for test automation engineers) .NET & Visual Studio: * Rider (IDE for .NET developers) * ReSharper (Extension for Visual Studio) * ReSharper C++ (Visual Studio Extension for C++ developers) * dotCover (.NET Unit Test Runner and Code Coverage Tool) * dotMemory (.NET Memory Profiler) * dotTrace (.NET Performance Profiler) * dotPeek (.NET decompiler and assembly browser) Team Tools: * TeamCity (Powerful CI out of the box) * YouTrack (Project management for all your teams) * Space (Intelligent code collaboration platform) * Datalore (Collaborative data science platform) * Qodana (Code quality platform for teams) Programming Languages: * Kotlin (Programming Language for the JVM and Android) * MPS (Create Your Own Domain-Specific Language) Education: * JetBrains Academy (Learn and Teach Computer Science) Profile by JetBrains s.r.o.
