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Founding ML Engineer (Spectrum)

JetBrains · Engineering · Lead · 1mo ago

✓

Open to candidates living in Armenia, Cyprus, Czechia, Germany, Spain, United Kingdom, Netherlands, Poland, Serbia.

Selected countriesMachine LearningLLMPythonMLOps

Direct from the employer's own careers page

Who can apply

Read straight from the listing, so you know before you spend time on it.

ArmeniaCyprusCzechiaGermanySpainUnited KingdomNetherlandsPolandSerbia

Open to candidates living in Armenia, Cyprus, Czechia, Germany, Spain, United Kingdom, Netherlands, Poland, Serbia.

“Amsterdam, Netherlands; Belgrade, Serbia; Berlin, Germany; Limassol, Cyprus; London, United Kingdom; Madrid, Spain; Munich, Germany; Paphos, Cyprus; Prague, Czech Republic; Remote, Germany; Warsaw, Poland; Yerevan, Armenia”
Async-first
The listing doesn't promise async-first working.
Contractor / B2B
No mention of hiring international contractors or invoicing.
Global stipend
No home office or equipment budget mentioned.
Annual retreat
No company-paid get-togethers mentioned.

Read from the listing automatically. Always confirm the details with the company before you accept an offer.

About the role

In this founding role, you will take full ownership of the AI and machine learning engineering stack and help define the team's research agenda. You will design and implement ML and LLM systems for data ingestion, knowledge extraction, and reasoning over complex organizational codebases and documentation, collaborating closely with JetBrains Research while shaping the product's core semantic layer.

What you'll do

  • Design and build the ML/LLM solutions for data ingestion, knowledge extraction, retrieval, and reasoning.
  • Create datasets, evaluation metrics, and pipelines driving measurable improvements across the system.
  • Architect agentic workflows and prompt engineering pipelines, optimizing models and context retrieval.
  • Establish MLOps practices, including orchestration, observability, and experiment tracking.
  • Collaborate with the engineering team and JetBrains Research on the research agenda and system design.
  • Define hiring criteria, build out the ML engineering team, and shape the team culture.

What you bring

  • Proven track record as an ML/AI Lead.
  • At least 5 years of experience in ML/AI systems, with at least 2 years focused on LLMs and generative AI.
  • Deep understanding of LLM ecosystem, agentic frameworks (e.g., LangChain, LlamaIndex), and RAG architectures.
  • Strong Python skills with experience deploying and scaling LLM-powered applications.
  • Proficiency in English with excellent technical communication skills.

About JetBrains

Backed by JetBrains' 25 years of developer tooling expertise, Spectrum is an incubator project developing a unified semantic layer and living spec to help developers and AI agents reason over product and architectural knowledge.

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