PitchMeAI Jobs
RTB House

Staff Machine Learning Researcher

RTB House · Warsaw, Masovian Voivodeship, Poland

Posted about 2 months ago

or apply directly on RTB House's site. We never take the application ourselves.

Is this posting real?

This role has been open
66 days
RTB House's roles stay open a median of 82 days
Reposted
No
Salary listed
No
4% of RTB House's roles list one
Ghost-job risk at RTB House
high
75 stale, 2 reposted of 75 open
Hiring momentum
97 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-24

Measured from postings appearing on and disappearing from RTB House's own greenhouse board since 2026-08-03. Full hiring picture for RTB House.

About this role

As a Staff Machine Learning Researcher at RTB House, you will lead high-impact ML research projects that enhance the company's core metrics. Your role involves solving complex problems, developing and implementing deep learning models, conducting A/B tests, and mentoring other researchers. You will have end-to-end ownership of projects, from conception to deployment, while collaborating with various stakeholders to ensure effective communication and execution.

Our read on this posting3.6out of 5
benefits
4/5
freshness
4/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of RTB House as an employer.

What you need

  • 5+ years of experience as researcher or engineer
  • 2+ years of hands-on experience with Machine Learning / Data Science
  • Proficiency in programming
  • Sound mathematical knowledge and intuitions
  • Ability to solve unclear problems
  • Hands-on ML expertise

Nice to have

  • Strong theoretical mathematics framework: statistics, probability, discrete mathematics, combinatorics
  • Experience in AdTech is a plus, but not required

What you get

  • Access to the latest technologies and real opportunity to use them in large-scale projects
  • Immediate impact on the company's business results
  • Mentoring less experienced colleagues
  • Remote and on-site work possible
  • Flexible working hours
  • Work in a team of enthusiasts with wide experience in ML

Worth weighing

  • No salary listed
  • Stack includes a mix of programming languages and technologies
  • Role involves a significant amount of ambiguity and problem-solving

Summarised from RTB House's posting. Read the full original.

Listed by RTB House on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.

More roles at RTB House

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