How to leverage BB S&T internship for QT roles?
For context: first year maths student at Oxford. I recently managed to convert a spring week at a BB to a 2027 summer internship for their S&T (FICC) division. I get to rotate around 3 desks, and I'm hoping to do some sort of algo trading / e-trading desk, volatility desk, and equity derivatives desk. I want to get placed on desks that are the most technical so that it suits my background hopefully (generally heard that those desks are most technical and options theory interests me).
The summer internship offer is exploding so I'll probably have to sign it within the next week or so unfortunately and probably won't re-recruit for 2027 summer. I'm hoping to recruit again for 2028 summer however. For 2026 summer, I'll be doing fully funded research project in applied math that's somewhat related to ML.
My long term goal is to move into quant trading or some sort of hedge fund where I can leverage my quantitative background. I'm wondering how I could potentially use this experience in order to lateral into a more buy side role. Would a technical role in sales and trading be considered sell side quant, or is it more of a traditional "banking" role?
Has there been cases where someone does a BB S&T internship -> JS/SIG/Optiver/... internship? What should I do in the next couple months / in the next year for me to have the highest chance of breaking into the buy side?
To leverage your BB S&T internship for quant trading (QT) roles, here’s a roadmap based on the most helpful WSO content:
1. Maximize Your Desk Rotations
2. Position Yourself as a Quantitative Asset
3. Build a Strong Network
4. Plan for 2028 Summer Recruitment
5. Bridge the Gap Between S&T and QT
6. Case Studies of Similar Transitions
7. Immediate Next Steps
By focusing on technical desks, building your quantitative skillset, and strategically networking, you can position yourself for a successful transition to buy-side quant roles.
Sources: How to be a good S&T Intern, What offers would you take over a BB S&T?, S&T Summer Analyst Lateral to IB FT?, Advice for a 21-year-old entering BB S&T?
QT recruitment puts a lot of emphasis on interviews (rather than what you have on your CV), and because you have Oxford Maths + BB S&T, you will most likely get past screenings, and beyond that, it is heavily reliant on your mathematical + problem solving ability, so practicing green book/brainteaser questions closer to the time is probably the most helpful piece of advice. That being said, to get a flavour of what top quant MM firms do, some such as Optiver are heavy on index options, and you said you may rotate on EQD (although you said a FICC internship so check this)- this one may be the most relevant. Rotating on the more technical desks (rates options, fx options) tend to lend itself well to buyside exits to macro funds etc, and would look good + be helpful should you decide to re-recruit.
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