questions / technical
technical questions
01 How would you handle API versioning as a PM?What interviewers test when they ask about API versioning, plus a strong answer with Stripe and Twilio specifics and the 2026 agentic angle. standard → 02 How would you design the elevator algorithm for a 40-story office building with an average of 100 people per floor during a standard 9-to-5 workday?A verified Google PM technical interview question. Know the four algorithms, the multi-elevator dispatch problem, and the 2026 ML dispatch angle. standard → 03 Explain caching to a non-technical executive, and tell me the tradeoff you'd own as the PM.The PM technical round tests communication and judgment, not implementation depth. Here is what separates a 3/5 from a 5/5 answer. standard → 04 How would you explain embeddings to a non-technical executive?How to explain embeddings in a PM interview without losing an exec or sounding like you memorized the docs. Includes strong/weak answers and follow-up traps. standard → 05 Can you explain GET, POST, PUT, and DELETE, and what does idempotency mean?How to explain HTTP methods and idempotency in a PM interview. Safe vs idempotent, PATCH clarified, and why retry logic is a product decision. standard → 06 Can you explain the tradeoffs between REST and GraphQL to a non-technical executive?What interviewers are actually testing, a model exec-ready answer, and the 2026 hybrid-first reality most candidates miss. standard → 07 What happens when you type a URL into your browser and press Enter?The PM technical interview question. Walk the DNS-to-render chain at the right depth, name the PM-relevant trade-offs, and explain it to a non-technical exec. standard → 08 What is the difference between a database and a cache?The PM technical literacy question. How to explain database vs cache in 90 seconds, with the tradeoff framing interviewers actually want to hear. warmup → 09 What is an API, and what would you consider before building one?How to answer "what is an API" in a PM interview. Plain-English definition, PM considerations, and what Stripe, Twilio, and OpenAI reveal. standard →