17 hours ago
Warsaw, PolandSenior
Responsibilities
- Design and program modules and components for a system processing over 24 million requests per second with latency under 50 ms.
- Optimize software for response time and resource consumption.
- Ensure the reliability and scalability of developed solutions.
- Create performance and correctness tests for new system components.
- Analyze technologies for applicability in production environments.
- Develop tools to monitor and analyze production system operation.
- Continuously optimize existing tools and processes.
Requirements
- Excellent understanding of complex IT systems across hardware, software, and algorithmic layers.
- Proficiency in programming.
- Very good knowledge of Internet protocols and technologies including DNS, HTTP, and cookies.
- Knowledge of concurrent programming and distributed systems from thread-level to continent-level systems.
- Practical ability to observe, monitor, and analyze production systems.
- Ability to evaluate system performance theoretically and diagnose and resolve production performance issues.
- Knowledge of high scalability and high availability problems and solutions.
- C1-level English and Polish.
- Computer Science, algorithmic complexity, and system architecture background through a formal CS degree, competitive programming experience such as OI/ICPC, or an equivalent track record.
Benefits
- B2B contract.
- 100% remote work or work from RTB House offices in Warsaw or Cracow.
- Work on technically complex, high-performance projects with strong code quality and code review practices.
- Collaboration with an interdisciplinary, self-sufficient team including DevOps, database, backend, product design, and QA specialists.
- Access to modern technologies and large-scale, high-impact projects.
Tech Stack
Apache KafkaClickHouseElasticsearchGoogle BigQueryGoogle Cloud PlatformGraphiteJavaJenkinsKubernetesPostgreSQLPrometheusPython
Categories
About RTB House
RTB House builds a performance demand-side platform that applies deep learning to programmatic advertising, including retargeting and customer acquisition for brands and retailers. It offers managed services and a self-service platform (rtb.com) for SMBs and agencies, running campaigns across 90+ markets. Founded in 2012 and headquartered in Warsaw, Poland, the company is privately held.