Distributed Systems Engineer

Location: Poland

We Are: 

RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. 

The Bidding Platform Team is crucial in driving our company’s success. We work collaboratively to deliver system modules and components that support over 24 million queries per second, all while maintaining a low latency of 50 ms.

You Will: 

• Design and programming of a wide range of modules and components as part of a system that supports over 24M queries per second and low latency.


• Work on the optimization of the developed software in terms of response time and resource consumption


• Ensure the reliability and scalability of the solutions built


• Create performance and correctness tests for new system components


• Analyse new technologies in terms of their applicability in production conditions


• Develop tools for monitoring and analysing the operation of the production system


• Continuous optimization of existing tools and processes

Desired Experience: 

• Proficiency in programming


• Excellent understanding of how complex IT systems work (from the hardware level, through software, to algorithmics)


• 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 continent 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'


• C1 level in English and Polish

Selected Technologies:

• Java, Python


• Aerospike, Memcached


• Google Cloud Platform, BigQuery, MinIO


• Kafka, Clickhouse


• PostgreSQL


• Elasticsearch


• Kubernetes, Prometheus


• Jenkins, Graphite

We Offer: 

• 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.

Apply now! 

You don't need to tick every box to apply. If you are passionate about software engineering, send us your CV, and we'll review it.