Senior interview experiences

Anduril Engineer via referral: Group Anagrams, Basic Calculator and a drone test data ingestion design on Excalidraw

Referral loop. Group Anagrams, then a 4-part onsite with Basic Calculator and a drone data ingestion design. Why Anduril comes up every round.

Stripe Senior Fullstack in NYC: notification system LLD, a three-part REST API and map task, debugging and a React filter

Fullstack loop in NYC: notification system LLD, a 3-part REST API + map task, a debugging round, a React exercise, then hiring manager. Offer.

Airbnb Senior Engineer: recruiter call, CoderPad binary search, LLD and HLD loop

Recruiter, one CoderPad round, then a 3-interview loop. Know their core values inside out, they come up in every round. Accepted.

By Daniel Khan

Revolut Senior Engineer: SQL and DSA OA, TDD ledger round, Digital Wallet design

Five stages, 2 months because I spaced them out. SQL in the OA surprised me, TDD in the live round. Offer, but I took another one.

By Marcus Clark

Cisco Senior Software Engineer in Oranmore: conversational theory round, Number of Islands in Java, whiteboard design and IntelliJ debugging

Three rounds in Oranmore. Mostly conversational: OOP, patterns, SQL theory, Number of Islands in Java, then a whiteboard of my own system.

By Daniel Khan

Disney Senior Engineer in Los Angeles: phone screen, a graph BFS coding round and a data pipeline system design on Excalidraw

Phone screen, a tech screen mixing resume questions with a BFS problem, then a 40 minute data pipeline design on Excalidraw. Nice loop.

By Marcus Clark

Wise Senior Engineer: Merge Intervals OA, circuit breaker pairing and a payment gateway with distributed transactions

Merge Intervals OA, pair programming on a circuit breaker, payment gateway design that goes deep on distributed transactions. Accepted.

By Daniel Khan