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Our mission is simple: make development teams more productive and bring more joy to software development.
About the roleAs part of the Kotlin Compiler team, you will search for existing and potential problems, working both independently and alongside other team members. You will be expected to show initiative and manage your tasks effectively. This role also requires a willingness to learn new things, and we have a large team of developers who are keen to support you by answering questions and explaining technical details.
On a day-to-day basis, you will:Do exploratory testing of new language functionality, as well as changes to existing functionality, working in tandem with a programmer.
Test new language constructs.
Search for and localize bugs, submitting the results to our issue tracker, and do regression testing for code fixes.
Contribute to automated tests.
Take part in planning, including for testing changes.
We understand that Compiler QAs are somewhat rare. Even if you don’t have specific Compiler QA experience, as long as you’re curious and eager to write and debug code, explore new things, and work with automation, this may be the right role for you. Here are some examples of the types of issues our QA Engineers regularly deal with. Take a look and see whether this type of work sparks your interest!
class C { fun foo() = "member" } fun C.foo() = "ext" println(C().foo()) // which foo() is called?val t = (null as String?) ?: throw RuntimeException("x") println(t.length) // what's the type of t?You may also want to check out some of the latest features that we tested:
- https://kotlinlang.org/docs/whatsnew2320.html#name-based-destructuring
- https://kotlinlang.org/docs/whatsnew-eap.html#explicit-context-arguments-for-context-parameters
- https://kotlinlang.org/docs/whatsnew23.html#explicit-backing-fields
- Knowledge of Kotlin, both in general and with respect to specific features and how they interact. Knowledge of other programming languages would be a plus.
- Coding ability sufficient to create test examples and simple programs.
- The ability to master new programming languages and technologies.
- Experience working with IDEs, bug trackers, version control systems, and continuous integration systems.
If this sounds like you, be sure to get in touch!
Why join JetBrains?
- 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. (keep if relevant for the role)
- 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.
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Skills Required
- Knowledge of Kotlin, including language features and their interactions.
- Experience with Kotlin Compiler or compiler/frontend concepts.
- Coding ability to create test examples and simple programs.
- Ability to contribute to automated tests.
- Ability to learn new programming languages and technologies quickly.
- Experience working with IDEs.
- Experience using bug trackers.
- Experience with version control systems.
- Experience with continuous integration systems.
- Curiosity and willingness to explore, debug, and investigate tricky issues.
- Knowledge of other programming languages.
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.
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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”.
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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.
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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.
