Millennium

About the Company

Millennium is a global, diversified alternative investment firm, founded in 1989, which manages $77 billion in assets. Defined by evolution, innovation and focus, Millennium's mission is to deliver high-quality returns for our investors.

Millennium seeks to empower talented professionals with the sophisticated expertise, resources and technology to pursue a diverse range of investment strategies across industry sectors, asset classes and geographies.

See our community guidelines at: mlp.com/guidelines

Read our disclosures at: https://www.mlp.com/disclosures/

Listed Jobs

Company Name

Millennium

Job Title

Developer - Systematic Trading

Job Description

**Job Title**: Systematic Trading Developer **Role Summary**: Develop and maintain applications for data collection, analytics, and trading systems in a systematic trading team. Collaborate with cross-functional stakeholders to enhance system performance and reliability. **Expectations**: - Deliver scalable solutions for data processing, real-time analytics, and system monitoring. - Prioritize tasks in a dynamic, high-pressure environment with a focus on urgency and accuracy. - Demonstrate ownership of projects while supporting team success through collaboration. **Key Responsibilities**: - Design and implement applications for data ingestion, analysis, and trading operations. - Build monitoring systems to identify and resolve data issues proactively. - Develop internal APIs for business data access. - Create streaming analytics and real-time monitoring tools. - Design testing frameworks to ensure system robustness. - Continuously improve existing codebases. **Required Skills**: - Programming: KDB+/Q, API development, Git, Gradle. - System proficiency: Linux. - Analytics: Streaming data processing, real-time system design. - Problem-solving in complex, fast-paced environments. - Strong written and verbal communication. **Required Education & Certifications**: - Bachelor's or Master’s degree in Computer Science, Mathematics, or related fields. - Knowledge of KDB+/Q preferred (no certifications specified).

London, United kingdom

On site

26-01-2026

Company Name

Millennium

Job Title

Python Developer - Equity Volatility

Job Description

**Job Title:** Python Developer - Equity Volatility **Role Summary** Develop and support applications for equity derivatives trading, volatility processing, and risk management. Requires expertise in financial data processing and Python-based system development. **Expectations** Must be a hands-on developer with strong financial domain knowledge, ownership of deliverables, and collaboration skills. Thrives in fast-paced environments. **Key Responsibilities** - Build applications to process, summarize, and display financial datasets (volatility, dividends, borrow rates). - Develop systems for equity derivative calibration, pricing, and risk workflows. - Write comprehensive technical documentation and test code using approved methodologies. - Collaborate with QA, production support, and stakeholders (e.g., Portfolio Managers). - Potential involvement in UI technology development. **Required Skills** - 5+ years Python development (backend and frontend). - Financial data processing expertise (volatility surfaces, dividends, borrow rates). - Equity derivatives market knowledge, including calibration and pricing models. - Proficiency in Object-Oriented Design, design patterns, unit/integration testing. - Experience with Unix/Linux environments and Agile/Scrum methodologies. - Familiarity with Postgres, Airflow, Redis, and distributed systems beneficial. - Front-end UI skills (JavaScript, HTML5) a plus. **Required Education & Certifications** - Bachelor’s degree in Computer Science, Mathematics, Physics, Financial Engineering, or related quantitative field.

London, United kingdom

On site

Mid level

07-02-2026

Company Name

Millennium

Job Title

Full Stack Developer – Reference Data

Job Description

**Job Title:** Full Stack Developer – Reference Data **Role Summary:** Design, develop, and maintain a scalable enterprise reference data platform using Java, Spring Boot, GraphQL, Kafka, and Angular. Deliver API‑driven services and real‑time data ingestion, ensuring data quality, performance, and compliance with business requirements. **Expectations:** - 3+ years of professional experience in Java or Python, with a focus on API‑driven and Kafka architectures. - Proven ability to independently design, code, test, and deploy full‑stack solutions. - Strong analytical, problem‑solving, and communication skills to collaborate with cross‑functional teams and stakeholders worldwide. - Demonstrated experience in financial services or front‑office environments is highly preferred. **Key Responsibilities:** - Develop and maintain Spring Boot services, GraphQL/REST APIs, and Kafka producers/consumers. - Build and refine Angular front‑end components integrating with backend services. - Implement data ingestion, curation, storage, and governance workflows to meet business needs. - Design and execute unit, performance, and integration tests. - Collaborate with product, data, and operations teams to translate requirements into technical designs. - Participate in code reviews, architectural discussions, and continuous improvement initiatives. **Required Skills:** - Java (Spring Boot, GraphQL, REST), or Python (≥3 years). - Angular (≥2 years) with backend integration experience. - Kafka architecture and messaging patterns. - RDBMS development (SQL, schema design, performance tuning). - Automated testing (JUnit, Mockito, performance testing tools). - Cloud experience (AWS, EKS, container orchestration). - Familiarity with AI/ML developer tools is a plus. - Excellent written and verbal communication. **Required Education & Certifications:** - Bachelor’s degree in Computer Science, Software Engineering, or a related technical field. - Relevant certifications (e.g., AWS Certified Developer, Oracle Java SE Programmer, ScrumMaster) are desirable but not mandatory.

London, United kingdom

On site

Junior

12-03-2026