We are looking for a **Lead Java Developer** to drive the development and maintenance of our high\-performance trading platform, emphasizing quality, security, and low latency. You will work closely with traders and production support while leading agile development efforts. Join us to bring your leadership and technical skills to a challenging and rewarding project. **Please note that working onsite at the client's office is required three days per week.** **Responsibilities** * Develop and enhance the Position/Trades booking platform ensuring robust functionality * Maintain high standards of quality, security, and system performance * Participate in agile development cycle tasks including technical analysis and documentation * Conduct code reviews to uphold coding standards * Collaborate with production support teams for release management and maintenance * Provide L3 support in collaboration with traders as needed * Lead and mentor development team members * Coordinate migration and refactoring initiatives to new development frameworks * Translate business requirements into effective technical solutions * Optimize applications for low latency and concurrency * Manage integration with distributed systems and external interfaces **Requirements** * Minimum 5 years of professional software development experience * Strong expertise in Core Java (SE), multithreading, and low latency optimization * Proficiency in C\# programming * Experience with electronic trading systems or high\-load distributed architectures * Familiarity with agile development practices * Experience leading migration and refactoring projects * Bachelor's degree in a quantitative discipline * Solid understanding of algorithms and data structures * Knowledge of concurrency principles * Experience with software development lifecycle processes * Understanding of foreign exchange (FOREX) products * Excellent analytical and problem\-solving abilities * Leadership experience and mentoring skills * English proficiency at B2 level or above