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# Java Developer - Algo Development Technology (Equities)

- **Company:** Millennium Management LLC
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Algorithmic Trading, Data Analysis, Computing Platforms, Automation of Tests, Distributed Systems, Enterprise Messaging Systems, Backtesting, Ruby, Event Driven Architecture, Apache Kafka
- **Published:** August 14, 2026
- **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2924877161-2

## About the Role

affecting critical trading infrastructureWhat You Bring* 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 how they affect 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; experience using AI tools to improve developer productivity is a plusRecruiter:Ruby KazmiHiring Manager:Georgii

## Description

Equities Tech Algorithmic Development team builds and enhances execution technology that supports Portfolio Managers and trading partners across the platform, with a focus on high-performance, real-time trading systems and execution capabilities.What You'll Do* 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 in a fast-paced environment* Develop high-quality new 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


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