Interview experiences

Tesla Software Engineer: Codility OA, a React infinite scroll screen, an onsite with Trapping Rain Water, an OTA fleet update LLD and a telemetry pipeline, then Evidence of Excellence

Codility OA, React infinite scroll screen, 4-round onsite (Trapping Rain Water, OTA update LLD, telemetry HLD), then the Evidence of Excellence write-up.

Cloudflare Software Engineer in London: hiring manager chat, culture fit, PM round, HTTP server debugging, Instagram for cats and an AI-assisted coding round

5 rounds after a hiring manager chat: culture fit, a PM round, debugging a broken HTTP server, Instagram for cats, and an AI-assisted coding round.

By Ivan Walker

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.

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

Monzo SE III in London: CV deep dive, a Java web crawler take-home and a top N songs system design

CV deep dive, web crawler take-home in Java with a review call, then a top-N songs design at Spotify scale. Have your Redis answer ready.

By Nora Nguyen

Barclays Software Engineer in Prague: a Number of Islands style graph problem, SQL, OOP and multithreading questions, then a leadership round

Three rounds in Prague. Number of Islands variant, SQL joins/indexes/partitions, OOP and multithreading questions, then leadership behavioural.

Zscaler Engineer in Tel Aviv: team lead chat, an onsite with Min Stack, an append-only log SQL problem and LRU Cache, then the R&D director

3 rounds, half behavioural. Min Stack, an append-only log SQL problem, LRU cache, then the R&D director. Nothing exotic if you've done the lists.

By Marcus Clark