or apply directly on RTB House's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 29 days RTB House's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 4% of RTB House's roles list one
- Ghost-job risk at RTB House
- high 49 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
- 2026-09-17
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.
- 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 2026-09-17. PitchMeAI is not the employer.
More roles at RTB House
- Network Automation EngineerPoland
- Talent Acquisition Specialist EMEAWarsaw, Masovian Voivodeship, Poland
- Measurement Strategy ManagerUnited States
- Technical Account ManagerBeijing, Beijing, China; China; Shanghai, Shanghai, China
- Technical Account ManagerTaiwan
- Technical Account Manager FrancePoland
- Project ManagerPoland
- Staff Research Team LeadWarsaw, Masovian Voivodeship, Poland