Senior Java Engineer - Market Data Platform

Man Group; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A global alternative investment firm located in Greater London is seeking a Senior Java Developer. In this role, you will help architect a large-scale infrastructure processing billions of data points daily. The ideal candidate will have at least 3 years of experience in Java or Python, expertise in Linux, and proficiency in database technologies. The firm offers a collaborative environment that values inclusion and work-life balance, along with a comprehensive benefits package.

Benefits

Competitive holiday entitlement

Professional development opportunities

Community volunteering days

Flexible working arrangements

Private medical coverage

Qualifications

• 3+ years of professional experience in software engineering with Java or Python as primary language.
• Proficient on Linux platforms with understanding of Git.
• Deep knowledge of one or more database technologies like Iceberg, Postgres, or MongoDB.

Responsibilities

• Help architect a multi-petabyte scale estate processing billions of data points.
• Tackle complex distributed systems challenges at exceptional scale.
• Work as part of a highly-focused team.

Skills

Strong problem-solving skills

Attention to detail

Strong communication skills

Collaboration abilities

Ability to work independently

Education

Degree in Computer Science, Mathematics, Engineering or Physics

Tools

Java

Python

Linux

Git

MongoDB

Job description

London

About Man Group

Man Group is a global alternative investment management firm focused on pursuing outperformance for sophisticated clients via our Systematic, Discretionary and Solutions offerings. Powered by talent and advanced technology, our single and multi‑manager investment strategies are underpinned by deep research and span public and private markets, across all major asset classes, with a significant focus on alternatives. Man Group takes a partnership approach to working with clients, establishing deep connections and creating tailored solutions to meet their investment goals and those of the millions of retirees and savers they represent.

Headquartered in London, we manage $213.9 billion as at 30 September 2025 and operate across multiple offices globally. Man Group plc is listed on the London Stock Exchange under the ticker EMG.LN and is a constituent of the FTSE 250 Index. Further information can be found at www.man.com

The Team

Join our Market Data Platform team at the heart of a quantitative investment firm, powering the infrastructure which drives our systematic trading strategies and cutting‑edge discretionary research.

As a Senior Java Developer, you’ll help architect a multi‑petabyte scale estate, processing billions of datapoints daily from thousands of data sources. Our stack combines Java and Python, with foundations of Kafka, ArcticDB, MongoDB, and more. This is an opportunity to tackle complex distributed systems challenges at exceptional scale.

You will be a keen and self‑motivated Senior Java software developer. You’ll be a member of a highly‑focused team with an exceptionally broad responsibility, so great communication skills and an ability to work as part of a team are a must.

Required Qualifications

• Strong academic record and a degree with high mathematical and computing content (e.g. Computer Science, Mathematics, Engineering or Physics)
• 3+ years of professional experience in software engineering with Java or Python as your primary language
• Proficient on Linux platforms and strong understanding of Git
• Deep knowledge of one or more relevant database technologies such as Iceberg, Postgres, or MongoDB
• Strong problem‑solving skills and attention to detail
• Strong communication and collaboration abilities
• Ability to work independently and gather requirements from stakeholders

Advantageous but not required

• Familiarity with distributed systems and orchestration
• Experience with performance optimisation and large‑scale data processing
• Contributions to open‑source projects
• Experience working with Large Language Models (LLMs)

Inclusion, Work‑Life Balance and Benefits at Man Group

You’ll thrive in our working environment that champions equality of opportunity. Your unique perspective will contribute to our success, joining a workplace where inclusion is fundamental and deeply embedded in our culture and values. Through our external and internal initiatives, partnerships and programmes, you’ll find opportunities to grow, develop your talents, and help foster an inclusive environment for all across our firm and industry.

You’ll have opportunities to make a difference through our charitable and global initiatives, while advancing your career through professional development, and with flexible working arrangements available too. Like all our people, you’ll receive two annual ‘Mankind’ days of paid leave for community volunteering.

Our comprehensive benefits package includes competitive holiday entitlements, pension/401k, life and long‑term disability coverage, group sick pay, enhanced parental leave and long‑service leave. Depending on your location, you may also enjoy additional benefits such as private medical coverage, discounted gym membership options and pet insurance.

Equal Employment Opportunity Policy

Man Group provides equal employment opportunities to all applicants and all employees without regard to race, colour, creed, national origin, ancestry, religion, disability, sex, gender identity and expression, marital status, sexual orientation, military or veteran status, age or any other legally protected category or status in accordance with applicable federal, state and local laws.

Man Group is a Disability Confident and Committed employer; if you require help or information on reasonable adjustments as you apply for roles with us, please contact [e-mail].