Senior C++ Engineer

About Man Group

Headquartered in London, we manage $253.6 billion* 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

* As at 30 June 2026

The Role:

ArcticDB is an open-source, serverless database built in C++ and Python for fast quantitative research and analytics. It stores time-series data at scale, supporting the development of trading strategies at financial institutions including Man Group and Bloomberg. ArcticDB is widely recognised in the quantitative trading community for its agility and performance.

We are looking for a highly motivated, strong C++ engineer, preferably with extensive Python experience. You will work on a highly optimised C++ engine built by experienced database engineers, take part in business decisions and help us become the ultimate go-to time-series database. We live and breathe performance, and our engine is capable of processing more than 1B rows per second.

You will take an active role in:

• Developing the core ArcticDB database, which currently stores petabytes of data.
• Collaborating with users to define and enhance analytics capabilities in ArcticDB.
• Working with data at scale, powering global institutions like Man Group, Bloomberg and others.
• Designing and deploying ArcticDB solutions that grow from an individual desk to an enterprise-level database.

The Team

The ArcticDB team is a group of polyglot developers working with the latest versions of C++ and Python. We are a startup and operate like one, offering the opportunity to make a significant impact on the technology, the product and the business.

Technology Skills

Essential

• Excellent C++ and Python skills.
• Excellent knowledge of algorithms and data structures.
• Interest in modern database and storage technologies, with a willingness to learn more.
• A strong academic degree with a high mathematical or computing content, e.g. Computer Science, Mathematics, Engineering or Physics.
• Proficiency in Linux.

Advantageous

• Experience with modern Python data tools such as Pandas, NumPy and Spark.
• An interest in financial markets and instruments.
• Experience using modern cloud storage technologies such as S3, Azure Blob Storage and Google Cloud Storage.

Benefits

• Modern office located in the OfficeX campus with easy access to transport and amenities.
• Hybrid working model
• Competitive compensation package
• 25 days holiday allowance
• Premium Health insurance
• Employee Assistance program
• Referral Bonus
• Additional days off for long service and volunteering
• Multisport card
• Opportunities for professional development including internal tech talks
• Conference attendance, and engagement with the open-source community

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.