Senior Research Engineer — AI Kotlin Agents & Evaluation

JetBrains; Poland; Remote; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Strong base salary

Flexible work location

Remote abroad

Extra time off

Medical insurance

Learning opportunities

Relocation support

Language classes

Lunch allowance

Mental health support

Sports stipend

Internal events

Job summary

JetBrains is seeking a Research Engineer for the Kotlin AI Value Stream. You will own the end-to-end loop: analyze how AI agents fail on Kotlin, build evals to capture failures, research and implement fixes, and measure improvements.

Your work will shape how developers experience Kotlin through AI coding agents. Join a team that drives evaluation infrastructure, error analysis tools, and post-training pipelines across Android, Kotlin Multiplatform, server, web, and desktop platforms.

Qualifications

• End-to-end research on AI agents for Kotlin code quality.
• Analyze agent failures, build evals, and implement fixes.
• Measure improvements to guide development.

Responsibilities

• Own the end-to-end loop for Kotlin AI agents.
• Analyze failures, design evaluation suites, and implement improvements.
• Quantify impact of fixes on Kotlin development tasks.

Job description

JetBrains is seeking a Research Engineer for the Kotlin AI Value Stream. You will own the end-to-end loop: analyze how AI agents fail on Kotlin, build evals to capture failures, research and implement fixes, and measure improvements.

Your work will shape how developers experience Kotlin through AI coding agents. Join a team that drives evaluation infrastructure, error analysis tools, and post-training pipelines across Android, Kotlin Multiplatform, server, web, and desktop platforms.