Senior Backend Java Developer

Requirements:

• minimum 5 years of experience in Java programming,
• very good knowledge of Java language and multithreading concepts,
• familiarity with Kafka, gRPC, REST, WebSockets, PostgreSQL, Cassandra, Elasticsearch
• higher education (preferably in computer science or related fields),
• communication skills and ability to effectively collaborate with a team,
• fluent in spoken and written Polish,
• communicative knowledge of English language
• ability to quickly learn new technologies and willingness to share knowledge with the team,
• knowledge and practical application of Clean Code principles,
• ability for analytical thinking and solving complex problems.

Responsibilities:

• development of a system responsible for collecting and transmitting market data in real-time,
• planning technical work and participating in architectural decisions,
• monitoring application performance and code profiling, optimization for microseconds,
• identifying and eliminating performance bottlenecks at the code, JVM, and network levels,
• integration with data providers and creating custom solutions for data retrieval and processing,
• team support: code review, knowledge sharing,
• close collaboration with Quant and Trading teams to understand, analyze, and implement trading algorithms.

We offer:

• Attractive salary
• Sports package
• Medical package
• Opportunity to work on interesting projects