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RTB House

Senior Distributed Systems Engineer / Tech Lead

RTB House · Warsaw, Masovian Voivodeship, Poland

Posted about 3 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
81 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 Senior Software Engineer / Tech Lead at RTB House, you will design and implement system changes to enhance performance, scalability, and observability for ad display and tracking. Your role will involve developing tools to improve user performance metrics, managing HTTP/gRPC services and batch jobs in Java and Python, and providing technical leadership through project planning and code reviews.

Our read on this posting2.8out of 5
benefits
3/5
freshness
1/5
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

  • Excellent understanding of how complex IT systems work - from the hardware level, through software, to algorithms.
  • Very good knowledge of fundamental Internet protocols and technologies (DNS, HTTP, cookies and others).
  • Good knowledge of basic methods of creating concurrent programs and distributed systems (from thread level to geo-distributed clusters level).
  • Practical ability to observe, monitor and analyse the operation of production systems (and draw valuable conclusions from it).
  • The ability to critically analyze the solutions created in terms of performance (from estimating the theoretical performance of the designed systems to detecting and removing actual performance problems in production).
  • General knowledge of issues (typical problems and methods of solving them) in the areas of 'high scalability' and 'high availability'.

Nice to have

  • Experience in the AdTech/Real Time Bidding space.
  • Experience contributing to Real User Monitoring (RUM) systems.

What you get

  • Projects focused on extreme performance and high code quality – clean code and solid code reviews are our standard.
  • Collaboration within an interdisciplinary, self-sufficient team (including DevOps, database experts, backend developers, product designers, and QA engineers).
  • Access to modern technologies and the opportunity to apply them in large-scale, high-impact projects.
  • Cooperation based on B2B contract.
  • You can cooperate 100 % remotely or choose one of our office spaces in Warsaw or Cracow.

Worth weighing

  • No salary listed.
  • The role involves working with a complex system that requires deep technical expertise and ownership.
  • The position is remote/flexible, which may appeal to candidates seeking work-life balance.

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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