Full Stack Project Experience Overview Questions

Be ready to discuss 2-3 significant projects where you owned features end-to-end. Clearly articulate the frontend technologies, backend services, databases, and your specific contributions. Highlight decisions that improved performance, scalability, or user experience.

EasyTechnical

58 practiced

Describe the backend languages, frameworks, and runtimes used across your projects (for example Node.js/Express, Python/Django, Go, Java/Spring). For each, explain why it was chosen (performance, concurrency model, library ecosystem, team expertise), how you managed dependency/versioning, and what implications the choice had on deployment and scaling.

MediumTechnical

77 practiced

Provide a concrete example of how you used spreadsheets (Excel or Google Sheets) to analyze product or system metrics: where the data came from, what formulas, pivot tables or charts you used, how you validated the data, and what decisions or actions resulted from the analysis.

HardSystem Design

42 practiced

You are asked to migrate a legacy server-rendered monolith to a modern SPA front end with an API backend, while preserving SEO and existing session behavior. Describe the migration architecture including SSR vs SSG choices, SEO crawlability, session/auth migration, data consistency during transition, rollout/rollback strategy, and how you validated parity between the old and new systems.

EasyTechnical

44 practiced

For one representative project, explain your database selection and data modeling approach. Why did you choose relational (Postgres/MySQL) vs NoSQL (Mongo/Cassandra), what were the key schema decisions, indexing strategy, replication or sharding choices, and how did you handle backups and migrations? Include one query or access pattern you optimized and why.

MediumTechnical

73 practiced

Walk through how you designed and versioned APIs in one project: explain the choice between REST and GraphQL, your versioning policy, authentication and authorization approach, pagination and filtering patterns, contract testing strategy, rate-limiting, and how breaking changes were communicated and migrated.

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