Fullstack Machine Learning Developer (Junie) at JetBrains | ES | Rezi

Fullstack Machine Learning Developer (Junie) at JetBrains

Fullstack Machine Learning Developer (Junie)

JetBrains · ES

Yesterday

Fullstack Machine Learning Developer (Junie)

JetBrains · ES

a day ago
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About the Role

We are looking for an engineer passionate about ML models, building CLI tools, and exploring the potential of AI agents in autonomous coding to help rethink software development.

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.

Requirements

  • Comfort taking full ownership of decisions and implementation.
  • The curiosity to challenge assumptions and experiment with new ideas.
  • The ability to learn new concepts quickly and adapt quickly.
  • A mindset focused on long-term impact rather than short-term workarounds.
  • Strong interest in autonomous AI systems and software engineering tools.
  • A proven track record of developing and shipping machine learning or full-stack software products.
  • Hands-on experience working with LLMs, prompt engineering, or agentic workflows.
  • The ability to write high-quality production code across the full development lifecycle.
  • Practical experience building or fine-tuning ML models.

Skills

  • ML models
  • CLI tools
  • AI agents
  • Autonomous coding
  • LLMs
  • Prompt engineering
  • Agentic workflows
  • Machine learning
  • Full-stack software development

Location

  • Remote
  • Office

Work Type

  • Remote
  • Hybrid
  • Full-time

Experience Level

  • Mid-level
  • Senior

Salary/Compensations

  • Competitive pay that reflects your skills and experience.

Benefits

  • Strong base salary
  • Flexible work location
  • Remote work up to 30 days per year from abroad
  • Extra time off
  • Medical insurance allowance
  • Learning and development opportunities
  • Relocation support
  • Language classes
  • Hot meal or lunch allowance on workdays
  • Mental health support
  • Sports benefit
  • Internal events

About the Company

  • We create intelligent software development tools for developers and teams.
  • More than 15 million users, over 300,000 companies, and 88 of the Fortune Global Top 100 rely on our products to solve real, complex problems.
  • Our mission is simple: make development teams more productive and AI adoptable at scale.

Equal Opportunity

  • We are an equal opportunity employer.
  • We know great ideas can come from anyone, anywhere. That’s why we do our best to create an open and inclusive workplace – one that welcomes everyone regardless of their background, identity, religion, age, accessibility needs, or orientation.
  • We process the data provided in your job application in accordance with the Recruitment Privacy Policy.