java developer in algorithmic trading

Millennium is a global, diversified alternative investment firm founded in 1989. Its Information Technology organization develops flexible, scalable technology and proprietary systems supporting an active, multi-manager investment model. The Equities Tech Algorithmic Development team builds execution technology for Portfolio Managers and trading partners, focusing on high-performance, real-time trading systems.

• Partner closely with technologists, Execution Services, and Equity Finance teams to enhance the firm’s execution offering for Portfolio Managers;
• Build and evolve real-time algorithmic trading systems and execution platforms;
• Develop high-quality features and enhance functionality on a mission-critical platform;
• Design and upgrade software to meet performance, scalability, and quality expectations;
• Translate business requirements and market constraints across developed and emerging markets into effective technical solutions;
• Stay current on relevant technologies, tools, technical libraries, computing environments, and academic research;
• Support data analysis and provide L3 troubleshooting for issues affecting critical trading infrastructure.

• 7+ Years of experience with equities execution systems;
• Experience developing execution algorithms such as VWAP, TWAP, Inline, and Pairs;
• Experience working on matching engines and dark pools;
• Experience implementing automated testing strategies for algorithms, including simulation, backtesting, regression suites, and replay frameworks;
• Deep understanding of market microstructure, pre-trade risk checks, limit frameworks, and regulatory requirements, and their impact on execution algorithm performance;
• Expert-level Java skills with extensive experience building low-latency, GC-aware, high-throughput distributed systems;
• Strong understanding of distributed, event-driven architectures and messaging technologies such as Kafka, Solace, or similar tools;
• Experience working with or building algo container frameworks;
• Nice to have: experience using AI tools to improve developer productivity.

• No conditions specified