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

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

Projects focused on high code quality – solid code reviews are our standard
Flexible working conditions – no core hours, fully remote cooperation
Collaboration within an interdisciplinary, self-sufficient team including: DevOps (ensuring a great Developer Experience), database experts, backend developers, product designers, and QA engineers
Hardware and software tailored to your preferences – e.g. MacBook, AI tool licenses
Access to modern technologies and the opportunity to apply them in large-scale, high-impact projects

Distributed Systems Engineer

Key skills