💼 Full-Time Position

Staff Software Developer (Kotlin Libraries)

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JetBrains
📍 london, england, United-Kingdom
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Location
london, United-Kingdom
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Posted
May 30, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

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 ...