Interview experiences

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

Optiver SWE Intern in Sydney: a brutal OA, a fast-paced behavioural round, TCP/UDP fundamentals and an order book LLD at the Superday

Intern loop in Sydney, 2 months. Hard OA, a weirdly stressful behavioural, CS fundamentals, then a Superday with an order book LLD.

By Clara Byrne

Google Software Engineer in New York: OA, two LC rounds with Googlyness, then team matching to an offer

OA, two rounds with 2 LC questions each plus Googlyness, then a long wait and two team matching calls. Offer accepted.

Mastercard Associate Java Developer in New York: iMocha assessment, Java and Spring Boot rounds, and Snakes and Ladders

Associate Java role. iMocha MCQs, then two rounds of Java/Spring Boot questions plus some coding. Know your resume and JpaRepository internals.

Rakuten Engineer in Singapore: a two-week loop with Merge k Sorted Lists, Divide Two Integers, a banking app design and Spring Boot and React questions

Two weeks from OA to final. Merge k Sorted Lists + Divide Two Integers, a banking app design, some Spring Boot/React questions, then the manager.

BlackRock Junior Software Engineer in the USA: screening questions, two resume-plus-DSA rounds and a behavioural final

SE1 loop. Valid Parentheses + an LCA-style screen, two rounds of resume questions and easy DSA, then behavioural. Be ready for OOP theory.

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

Wayve Application Software Engineer in Leonberg: factorial three ways, a hiring manager chat and a self-driving simulation system design

Referral. Factorial three ways with complexity follow-ups, hiring manager, a simulation system design, two behavioural rounds. 3 weeks total.

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