
Real job — pulled straight from Millennium Management’s careers page · Verified May 21, 2026 · No reposts.
Job description
Millennium Management is hiring a Java Algorithm Developer — a full-time, based in Tokyo, Japan role. Apply directly on Millennium Management's careers page below.
Java Algo Developer - Algo Development Technology
Location: Tokyo, Tokyo, Japan
Department: Information Technology
Java Algo Developer - Algo Development TechnologyWe are looking for a strong developer to join our high performing algorithmic development team. We are looking for strong hands-on Java developer with a solid understanding of concurrent, multi-threaded application environments.
Responsibilities & Duties
Partner closely with fellow technologists, Execution Services and Equity Finance team to further enhance our execution offering to Portfolio Managers across various teams.
Build real-time algorithmic trading systems and execution platforms in a fast paced environment
Developing new features with high quality and enhancing functionality on a mission critical platform
Design or upgrade existing software to ensure product performance and quality expectations are met
Understand the business requirements and constraints in various developed and emerging markets
Stay current on state-of-the-art technologies and tools including technical libraries, computing environments and academic research
Help in any data analysis / trouble shooting (L3) in case of issues with our critical trading infrastructure.
Preferred Technical Skills
Strong server side Java knowledge including with spring boot framework
Working experience with financial order/execution data, positions data and market data
Knowledge of equities, options, SOR, VWAP, algorithmic trading platforms, or market microstructure
High focus on testability of program (TDD/XP based development preferred)
Experience in using, enhancing proprietary java framework and design patterns e.g. for low/no GC, messaging sessions, multi-threading
Good DevOps understanding to drive some of testing automation
Experience with AI tools usage for higher developer productivity a plus
Preferred Experience
5+ years of development experience in Algos or order management systems.
Good understanding of Asia equities markets i.e. auctions, microstructure, regulatory constraints
Experience with inventory optimization in developing markets in Asia (non-give up) highly desirable
Good team player. Detail oriented, demonstrates thoroughness and strong ownership of work.
Excellent written & oral communication skills
Quick thinker & problem solver, able to think on their feet and make informed decisions.
Experience with any cloud platform and containerization tools is a plus.
Knowledge of Kdb+/Q is a big plus.
Any front-end development experience is a plus.
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Frequently asked questions
What skills are required for Java Algorithm Developer at Millennium Management?
The required skills for Java Algorithm Developer at Millennium Management include: Java, Spring Boot, DevOps, AI.
What is the seniority level for Java Algorithm Developer at Millennium Management?
Java Algorithm Developer at Millennium Management is a Senior level position.
How do I apply for Java Algorithm Developer at Millennium Management?
You can view the full description and apply for Java Algorithm Developer at Millennium Management on EchoJobs: https://echojobs.io/job/millennium-management-java-algo-developer-eq-trading-technology-yuci3.