Senior Quantitative Analyst

About the Company

BMLL is the leading independent provider of harmonised Level 3, 2 and 1 historical data and analytics across global equities, ETFs, futures and US equity options. BMLL was acquired in 2025 by Nordic Capital, alongside minority shareholder Optiver.

Responsibilities

• Utilize the BMLL product suite to support marketing and sales to drive business growth
• Work closely with the go-to-market team to promote products and gather customer feedback
• Assist in technical prototyping for external partners and clients using a petabyte-scale data lake
• Support the product team in the development and management of the product roadmap
• Translate client business needs into actionable, data-driven solutions
• Maintain clear, comprehensive documentation for code and methodologies

Requirements

• Minimum 5 years of quantitative analysis experience
• MSc in a quantitative discipline (STEM or Economics)
• Proficiency in Python and libraries such as NumPy, pandas, Polars, and scikit-learn
• Minimum 3 years experience working with Futures/Options order book market data
• Experience working with large datasets
• Strong analytical, problem-solving, and communication skills

Preferred Qualifications

• Experience with other OOP languages
• Experience with Snowflake, SQL, or other database management systems
• Experience with Cloud Platforms (AWS, GCP, Azure)
• Experience working on the Buy Side

Benefits

• Competitive salary and discretionary bonus
• 25 days holiday plus bank holidays
• Private Medical Insurance and Life Insurance
• Pension Scheme and Childcare Nursery Scheme
• Ability to work remotely abroad for up to 40 business days per year
• Yearly Well-being Physical Activity budget
• Continuous learning through funded training
• Weekly team lunches and regular social activities