(Senior) Machine Learning Developer (Junie)

Highlights

• Build Junie AI coding agent across JetBrains IDEs and standalone CLI.
• Grow Junie CLI into general-purpose agent independent of any IDE.
• Push autonomy so Junie can own and evolve subsystems over multi-day horizons.

What they offer

• Flexible work location - work from home or office
• Up to 30 days per year working remotely from abroad
• Extra time off
• Medical insurance allowance
• Learning and development opportunities, conferences and courses
• Relocation support
• Language classes
• Hot meal or lunch allowance on workdays
• Mental health support
• Sports benefit - on-site gym or sports club stipend
• Internal events and team gatherings

Ideal candidate

Product-minded engineer who thrives on end-to-end ownership and bold experimentation. Curious about autonomous coding and long-term impact, you love using the tools you build to reshape how software is created.

Requirements

• Proven track record developing and shipping machine learning or full-stack software products
• Hands-on experience with LLMs, prompt engineering or agentic workflows
• Ability to write high-quality production code across full development lifecycle
• Practical experience building or fine-tuning ML models
• Comfort taking full ownership of decisions and implementation
• Curiosity to challenge assumptions and experiment with new ideas
• Ability to learn new concepts quickly and adapt quickly
• Mindset focused on long-term impact, strong interest in autonomous AI systems