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Machine Learning Research Team Leader

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RTB House

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Location:
Poland

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

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Job Description:

RTB House is a next-generation performance demand-side platform (DSP) that uses proprietary Deep Learning AI algorithms to help brands grow. The company is the market leader in driving performance using Deep Learning across the entire purchase funnel. This role is a strong fit if you: Want to lead without giving up hands-on ML work; Care more about impact than novelty alone; Enjoy owning projects end-to-end; Want to lead by doing and delivering, not just coordinating; Believe that great research should translate into real-world results; Want to work on inspiring technology with passionate coworkers.

Job Responsibility:

  • Manage a team of strong ML Researchers
  • Provide deep research leadership and expertise
  • Act as a driver of execution and accountability within the team
  • Set clear expectations around ownership, delivery, and quality
  • Support team members through feedback and coaching, with a strong focus on effective execution and impact
  • Maintain a high technical and operational bar, balancing experimentation with delivery
  • Foster a culture of impact, healthy ambition, open mindedness, teamwork, and mutual respect
  • Participate in hiring and onboarding as the team grows
  • Design and implement machine learning models (most often deep neural networks) used in production systems at scale
  • Translate research ideas into concrete, testable, and deployable solutions
  • Conduct and evaluate A/B tests, focusing on measurable impact rather than purely academic results
  • Develop and improve approaches to key problems such as bidding in first-price auctions, with clear ownership of outcomes
  • Lead research initiatives end-to-end: from problem formulation, through experimentation, to production rollout
  • Drive execution by helping the team prioritize work, remove blockers, and deliver results
  • Communicate clearly with product and engineering to ensure alignment on goals, timelines, and impact

Requirements:

  • Strong background as a Senior ML Researcher with a proven record of shipping impactful solutions
  • Experience leading teams or projects with solid track record of delivering impact
  • Solid understanding of statistics and probability
  • Strong programming skills and practical ML engineering mindset
  • Strong orientation toward execution, decision-making, and responsibility for outcomes
  • Formal people management experience is not strictly required. We value candidates who have led complex, multi-year projects involving multiple contributors and consistently delivered high-impact results and are motivated to grow into a people management role
  • Selected Technologies: Python, Java, Scala
  • PyTorch, NumPy, Pandas
  • Jupyter Notebooks

Nice to have:

  • Experience working on production ML systems
  • Experience with recommendation systems or real-time decision systems
  • Comfort operating in environments where results are measured and visible
What we offer:
  • A very attractive compensation
  • Work with a team of enthusiasts with experience in machine learning who willingly share their knowledge and skills
  • Work in the company that operates in remote-first manner
  • Access to the latest technologies and the possibility of real use of them in a large-scale and highly dynamic project
  • Possibility to use knowledge and competences in practical applications - while optimizing algorithms supporting hundreds of millions of Internet users and monthly buys of billions of advertising views in the RTB model, based on extensive data sets
  • The effects of your work immediately visible in the company's business results

Additional Information:

Job Posted:
February 19, 2026

Work Type:
Remote work
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