Deep technical project narrative and lessons learned Questions
Prepare detailed discussion of a significant project: the problem, your approach, technical decisions and trade-offs, challenges and how you overcame them, outcome, and what you learned. Practice explaining this clearly in 10-15 minutes, leaving time for questions.
MediumSystem Design
0 practiced
Draw or describe the high-level architecture you built: list components, data flows, external dependencies, and the primary communication protocols (e.g., HTTP, gRPC, message queues). For each major component, justify why it exists and what constraints it addresses (latency, throughput, cost, maintainability). You may sketch a concise ascii diagram.
HardSystem Design
0 practiced
You evaluated two architectures (for example monolith vs microservices). Prepare a concise comparative analysis across operational cost, deployment complexity, developer productivity, testing burden, and long-term extensibility. State which approach you chose for the project and provide a detailed rationale including migration risks.
MediumTechnical
0 practiced
How did you evaluate and prioritize technical debt against shipping new features during the project? Describe the criteria you used (risk, customer impact, cost to fix), a concrete example you prioritized, and any measurable impact from addressing or deferring debt.
MediumTechnical
0 practiced
Explain the rollout strategy you used or would have used for production: blue/green or canary, staged traffic percentages, feature flags, health checks, rollback criteria, and rollback steps. Include how you validated readiness before wider rollout and how you monitored post-release behavior.
HardTechnical
0 practiced
You must create a 10–15 minute recorded talk and a 5-slide deck to present this project to the engineering organization. Outline the five slides (slide title and 2–4 bullet points per slide) and for each slide describe the key verbal points you'll make to convey technical depth, outcomes, and actionable lessons.
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