Interviews

Interview-ready walkthroughs of real engineering problems: the kind of system-design and implementation exercises companies pose, taught so you can reason clearly, defend trade-offs, and explain your choices under follow-up questioning.

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Track 1 Alpaca

1 concepts

Preparation for Alpaca's technical panel, centered on the brokerage and fintech infrastructure problems Alpaca engineers face: regulatory file submission, reliability, and auditability in a self-clearing broker-dealer.

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Submitting a Report Through FINRA fileX advanced
A system-design walkthrough of submitting a regulatory report to FINRA through its fileX file transfer service: what fileX is, how its three access methods differ, why the HTTPS REST API is the right choice for a confirmable submission, what a complete submission means end to end, and the failure, security, audit, and operational concerns that matter in a brokerage pipeline.