Quantitative Developer / Researcher - Treasury

United States Digital Space LLC; Greater London; On-site; GBP 110,000 - 180,000; Full time

Job summary

Millennium is seeking a Quantitative Developer/Researcher for Treasury to advance quantitative models and analytics. You will work with Treasury and technology teams to build and enhance the firm's quantitative research framework and stress-test cash models.

The role emphasizes strong Python development, collaboration with quants across the globe, and delivering production-ready tools that drive performance in a dynamic financial environment.

Qualifications

• Substantial Python experience for quantitative analysis in a production setting.
• Experience with equities or fixed income analytics, ideally Treasury related.
• Strong statistical capabilities and domain knowledge.
• Ability to develop and deploy production-quality quantitative models.
• Collaborative, team-oriented work style.
• Excellent written and verbal communication skills.

Responsibilities

• Conduct in-depth margin analysis and model evaluation for Treasury-related tools.
• Collaborate with Treasury, quant developers, and tech teams to enhance framework.
• Develop, test, and deploy quantitative models and analytics in production.
• Translate research into practical tools that improve business performance.
• Lead delivery timelines for Treasury applications with hands-on development.

Skills

Python for quant analysis

Equities/FI analytics

Statistical analysis

Production-grade modeling

Team collaboration

Clear communication

Job description

Quantitative Developer / Researcher - Treasury

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

Millennium’s Information Technology organization builds and supports the flexible, scalable technology and proprietary systems that power the firm’s active, multi-manager platform. This team works at the intersection of quantitative research, analytics, and trader support, partnering closely across global offices to enhance next-generation tools, strengthen core modeling capabilities, and support innovation across the firm’s treasury and financing environment.

What You’ll Do

• Conduct in-depth analysis of margin calculations across fixed income and equities.
• Partner with Treasury, FIC business management, quant developers, and technology teams to build and enhance the quantitative research framework and library.
• Optimize, enhance, and maintain stress cash models.
• Apply strong Python expertise to develop, test, and deploy quantitative models and analytics.
• Translate quantitative research into practical tools and model enhancements that support business performance.
• Work closely with a global team of quants across London, Geneva, New York, and Tel Aviv.
• Take ownership of delivery timelines for Treasury applications and projects, including hands‑on development and supporting documentation.

What You Bring

• Substantial prior professional experience using Python for quantitative analysis.
• Substantial experience in equities or fixed income quantitative analysis, ideally within Treasury or prime financing.
• Strong analytical and statistical capabilities, supported by solid domain knowledge.
• Experience developing and implementing quantitative models in a production-oriented environment.
• Ability to work effectively in a collaborative, team-oriented setting.
• Clear written and verbal communication skills.
• A motivated, adaptable approach and the drive to perform in a high-performing financial environment.