Senior ML Engineer – Autonomous AI & CLI Tools (Remote)

JetBrains; United States; Remote; USD 150,000 - 210,000; Full time

Benefits offered by this job

Base salary

Flexible work location

Remote work abroad

Medical insurance allowance

Learning opportunities

Relocation support

Language classes

Meal allowance

Mental health support

Sports benefit

Internal events

Job summary

JetBrains is seeking an engineer to advance Junie, our AI coding agent, across CLI and IDE integrations. You will own end-to-end development from research to production, shaping autonomous AI capabilities and cost-efficient solutions for ongoing software engineering tasks.

You will experiment with model setups, build robust agent behaviors, and continuously improve the tool you use daily. This role offers flexible work options and strong compensation.

Qualifications

• Proven track record developing and shipping ML or full-stack software products.
• Hands-on experience with LLMs, prompt engineering, or agentic workflows.
• Ability to write high-quality production code across the full development lifecycle.
• Experience building or fine-tuning ML models.

Responsibilities

• Develop and ship new features for Junie across CLI and model integrations.
• Experiment with model setups, ensembling, and cost efficiency strategies.
• Build and test autonomous agent behaviors for long-term project maintenance.
• Own the full development cycle from initial research to production-ready code.
• Use Junie daily to continuously iterate on its quality and user experience.

Skills

Ownership

Curiosity

Fast learner

Long-term impact

Autonomous AI interest

Tools

LLMs

Prompt engineering

Agentic workflows

Job description

JetBrains is seeking an engineer to advance Junie, our AI coding agent, across CLI and IDE integrations. You will own end-to-end development from research to production, shaping autonomous AI capabilities and cost-efficient solutions for ongoing software engineering tasks.

You will experiment with model setups, build robust agent behaviors, and continuously improve the tool you use daily. This role offers flexible work options and strong compensation.