🌿 Back to all jobs

🥝 Staff Software Developer (Kotlin Libraries)

JetBrains | london, United-Kingdom | Posted May 30, 2026

Job Description

We are looking for an experienced developer to help us shape the future of the Kotlin ecosystem.

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 ...

Apply for This Position

Submit Application