Internship key points:

Duration: The internship will be up to 3 months over the summer holidays in 2026.
Application Deadline: Applications close on 12 November 2025 or earlier if the maximum number of applications is reached
This internship is open to students who are entering their third year of an undergraduate degree, or those who are about to begin or have recently completed a master's degree, in the summer of 2026
Next Steps: Successful applicants will be contacted by the 20th November 2025 to schedule a first-round interview.
Compensation: This is a paid internship at the London living wage
Eligibility: Candidates must be eligible to work in the UK. This includes UK citizens or individuals on a student/graduate visa that permits full-time work outside of term time
Interview Process:
First round interview (30 mins) video interview
Take home test
Team interview (1hr)
Final interview with CPO (30mins)

We look forward to receiving your application!

About BMLL

We are the leading independent provider of harmonised Level 3, 2 and 1 historical data and analytics to the world's most sophisticated capital market participants. BMLL offers banks, brokers, asset managers, hedge funds and global exchange groups immediate and flexible access to the most granular T+1 order book data and advanced analytics, enabling them to accelerate research, optimise trading strategies and generate alpha at unparalleled speed and scale.

We have a fantastic team and our culture is inclusive and highly collaborative - a place where our employees are encouraged to be themselves.

We give all our employees share options, empowering them to get involved in decision-making and help shape the future of our company as we continue to grow and scale.

We offer a combination of remote and office (London-based) working, weekly team lunches, and plenty of office snacks!

For more information, please visit our website, www.bmlltech.com or visit our X, @bmlltech or LinkedIn, @BMLL.

About The Role

We are looking for a highly motivated Junior Quantitative Analyst intern to join our product team. The Junior Quantitative Analyst intern will utilise our product to develop marketing and analysis, as well as working with our customers to gather feedback and help them use the product suit.You will have the opportunity to work on exciting products, collaborate with industry experts, and contribute to the success of our clients and the company as a whole.

What Makes This Internship Special

This is a mixture of data science, sales, and marketing. All your work will have a direct impact on the business.
You will have access to a petabyte scale data lake and an award-winning data science environment to analyse and work with the data.

As a Junior Quantitative Analyst Intern, you will:

Utilise the BMLL product suite to support marketing and sales to help sell the BMLL product suite.
Work closely with the go-to-market team to promote the product, support our customers and gather feedback to help shape product requirements.
Help with technical prototyping for external partners and clients.
Support the product team in the development and management of the product roadmap, idea generation and product development cycle.

Requirements

Essential:

Experience of python for the purposes of data science, and familiarity with data science tools (Jupyter, pandas, Plotly)
Willingness to work in a fast-paced environment, with an ability to do quick analysis at tight deadlines
Excelled teamwork and ability to work in multidisciplinary team
Basic knowledge of financial markets and trading concepts
Ability to work effectively, both independently and as part of a team
Strong presentation and communication skills

Desirable:

Experience with SQL scripting and querying
Experience working with Polars
Experience working with PySpark
Knowledge and interest in statistics and machine learning and their applications to finance

BMLL

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Junior Quantitative Analyst INTERNSHIP - Summer 2026