About Millennium
Millennium is a global, diversified alternative investment firm, founded in 1989. Defined by evolution, innovation and focus, Millennium’s mission is to deliver results for our investors.
Our people are empowered with both independence and support: the autonomy to pursue ideas with conviction and the backing of a global network committed to collaboration, disciplined risk management and continuous learning. With opportunities to deepen expertise and accelerate development, talent at Millennium is equipped to adapt, evolve and build lasting impact over time. Discover how transformative growth accelerates impact.
Meet the Team
The Algo Development Technology team is part of Millennium’s Information Technology organization. Millennium’s active, multi-manager business model relies on flexible, scalable technology and advanced proprietary systems, including next-generation analytical and trading capabilities. The team develops execution algorithms and trading platforms used by portfolio managers to trade equities and futures globally, partnering closely with quantitative and execution-trading colleagues in a collaborative global engineering environment. It is a small, senior team that emphasizes end-to-end ownership, automation, and AI-assisted tooling across development, testing, and support.
What You'll Do
- Partner with technology, Execution Services, and Equity Finance teams to enhance execution capabilities for portfolio managers across the firm.
- Build and evolve real-time algorithmic trading systems and execution platforms in a fast-paced environment.
- Deliver high-quality features and enhancements for mission-critical trading infrastructure.
- Design, improve, and upgrade software to meet performance, reliability, and quality expectations.
- Translate business requirements and market constraints across developed and emerging markets into effective technical solutions.
- Apply current technologies, technical libraries, computing environments, and relevant academic research to improve the platform.
- Perform data analysis and provide Level 3 troubleshooting support for critical trading infrastructure.
What You Bring
- 5+ years of software development experience with algorithmic trading or order management systems.
- Strong server-side Java expertise, including Spring Boot.
- Experience working with financial order and execution data, position data, and market data.
- Knowledge of equities, options, smart order routing, VWAP, algorithmic trading platforms, or market microstructure.
- Strong focus on software testability; experience with TDD or XP-based development is preferred.
- Experience using and enhancing proprietary Java frameworks and design patterns, including low- or no-GC design, messaging sessions, and multithreading.
- Understanding of DevOps practices and the ability to drive test automation.
- Strong knowledge of Asian equity markets, including auctions, market microstructure, and regulatory constraints; experience with inventory optimization in developing Asian markets is highly desirable.
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