The setup

a HFT prop firm, building an ML-driven mid-frequency (mins>hours) global equities team, hiring in London. Central team (building globally across APAC, EU & US), firm-level commitment, not a pod, not a multi-manager. The team lead came out of one of the best firms in the business at this (you'll have to get in touch to find out which one...).

The hire(s) they're looking to make are T-shaped

• Deep specialty in one of: modern ML architecture (PhD-levels-of-depth, not I ran XGBoost once), MFT alpha research (order-book imbalance, signal decay, actual trading‑aware intuition), or portfolio construction. Plus enough breadth in the other two to hold your own in the room. It's a small team, with big ideas, and needs people who are hands on and comfortable working across different verticals.
• Startup ethos. If your instinct when you need a piece of code is I'll wait for someone to build it, this isn't the seat. If it's I'll just build it...