Staff Software Developer (Kotlin Libraries)
JetBrains · Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia · Remote-friendly
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- Company
- JetBrains
- Location
- Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia
- Posted
- September 22, 2026
About this job
As part of our team, you will: Create and maintain foundational libraries for Kotlin core primitives that are used by hundreds of thousands of developers Become an expert in specific domains of computer science and software engineering Be part of a design committee that decides how the Kotlin API should be shaped Participate in creating standard Kotlin tools, specifications and language features Preferable: JVM development experience down to the implementation details of the Java standard library Strong understanding of the domain you've been working with Ability to write design documents for complex systems with strong reasoning behind each trade-off and technical decision Experience in performance engineering or API design In general, if you see yourself reading a Unicode standard,…
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