Clera

Founding Machine Learning Engineer

Clera
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5 days ago
Munich, GermanyStaff+

Base Salary

$100k - $200k/yr

Responsibilities

  • Own the ML function and technical direction from day one in partnership with the founders and researchers.
  • Build pipelines to structure, filter, score, validate, and track the provenance of experimental trajectories and training data.
  • Design and implement model evaluation frameworks and benchmarks for reasoning, planning, and experimental improvement.
  • Build reliable agent environments, tool interfaces, observability systems, replay infrastructure, and agent debugging capabilities.
  • Set ML roadmap priorities across systems, experiments, and hiring decisions.
  • Lead and grow the ML team as the company scales.

Requirements

  • At least 3 years of experience delivering production machine learning systems.
  • Hands-on experience with post-training data pipelines, including structuring, filtering, and scoring training data.
  • Experience building agent environments, tool interfaces, and reinforcement learning training systems.
  • Strong Python and systems-level programming skills for ML infrastructure.
  • Experience designing and implementing evaluation frameworks and benchmarks for machine learning models.
  • Deep understanding of trajectory data, reward modeling, and agent decision-making systems.
  • Experience building data validation, provenance tracking, and observability systems for ML pipelines.
  • High agency, comfort with ambiguity, and ability to bridge research and production.
  • Experience with reinforcement learning algorithm implementation, replay systems, or agent debugging tools is preferred.
  • A background at a frontier AI lab or on a post-training or evaluation team is a strong plus.

Benefits

  • Salary range of $100,000 to $200,000 USD annually.
  • Primarily on-site in Munich, Germany, with additional offices in Zurich and San Francisco.
  • Remote arrangements may be discussed on a case-by-case basis.
  • Visa sponsorship is not available.

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