Lead Java Developer

• Proven track record with 5+ years of professional Java development experience
• Hands-on experience with low-latency and multi-threaded programming techniques
• Excellent problem-solving and analytical skills to tackle complex technical challenges
• Strong communication skills, able to explain complex technical concepts to non-technical stakeholders
• Willingness to learn quickly and adapt to new technologies and market changes
• English proficiency at B2 (Upper-Intermediate) level or higher

Nice to have:

• Understanding of financial markets, particularly Rates and Credit bonds/derivatives and trading platforms (e.g., Bloomberg, Tradeweb)
• Familiarity with messaging systems like Kafka and data serialization formats (e.g., AVRO)
• Knowledge of cloud platforms (Azure, AWS or GCP)

• Design and deliver scalable Java applications that address complex business challenges
• Improve performance and maintainability by optimizing and refactoring existing components
• Facilitate UAT and run demonstrations with key stakeholders
• Convert business requirements into clear technical specifications
• Coordinate with global IT teams to enable seamless integration
• Support production releases and provide ongoing maintenance
• Develop cutting-edge solutions while sustaining a sophisticated, multi-faceted platform

Please note that working from the office in Krakow 3 days per week is required.