Latest Interviews
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Clear all filters- Jane Street59 min
The Thermodynamics of Trading with Daniel Pontecorvo
Daniel Pontecorvo, Ron Minsky, Dan Pontecorvo, Mark Mirchandani, David Abelson
Jane Street's physical engineering team manages a complex lifecycle of data centers and offices, prioritizing microsecond-level latency constraints and evolving from traditional air cooling to high-density liquid immersion solutions for AI infrastructure. The organization deploys proprietary monitoring stacks to prevent catastrophic failures while optimizing Power Utilization Efficiency through economizer cycles and rear-door heat exchangers that handle rack densities up to 170 kW. Their human-centric workspace design leverages modular furniture and circadian lighting to sustain collaboration, supported by a hiring strategy that blends industry veterans with graduates to challenge established engineering assumptions.
- Jane Street54 min
Solving Puzzles in Production with Liora Friedberg
Jane Street's production engineers serve as the first line of defense for its trading systems, balancing active live support with long-term projects to enhance reliability and manage a broad mental model of interconnected infrastructure. Through a blame-free culture and specialized training involving incident simulations, the team rigorously analyzes high-severity events to drive system improvements while leveraging custom tools like Oculus for precise observability and alert management. Recruiting efforts identify candidates with strong debugging instincts and communication skills who can navigate the unique pressure of minimizing opportunity costs during financial disruptions.