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# Software Developer

- **Company:** Jetbrains
- **Location:** Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Software Design Documents, Java Virtual Machine (JVM), Software Engineering, Kotlin, Information Technology, Api Design
- **Published:** August 12, 2026
- **Apply:** https://es.trabajo.org/oferta-5001-b12f239091aaea2adfd38abe68881d1a

## About the Role

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 reading a Unicode standard, exploring how five other languages transform strings to bytes, figuring out why some



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