System Design Interview Coach

Looking for an experienced software engineer to run a structured coaching program to help me prepare for system design interviews (both high-level and low-level design). What I need covered: Back-of-the-envelope estimation — QPS, storage, bandwidth, latency budgeting Core fundamentals — load balancing, caching, database sharding/replication, CAP theorem, consistency models, message queues, rate limiting, API design Classic HLD problems — URL shortener, rate limiter, chat system, news feed, ride-sharing, etc. LLD / OOD implementation — Parking Lot, Elevator System, Vending Machine, etc. — class design, design patterns, SOLID principles Mock interviews — realistic practice with feedback on structure, communication, and handling follow-up questions Live whiteboarding — comfortable diagramming in Excalidraw, the way it'd come up in a real interview or take-home assignment Format: 30 x 1-hour sessions, ideally 2-3x/week Video call, screen share, Excalidraw for diagramming Should progress from fundamentals toward realistic mock-interview difficulty by the final sessions Occasional between-session homework/practice problems Please include in your proposal: Relevant experience (systems you've worked on, interviews you've been through) How you'd structure the first 5 sessions Your availability and timezone Your rate for this package (open to discussing the $260 budget for the right fit)