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.

HardTechnical

46 practiced

Explain how you would define SLIs and SLOs for a user-facing feature, set appropriate targets (SLA vs SLO), consume error budgets, and integrate these into alerting and release gating for new releases. Provide examples of SLIs and a policy for exhausting an error budget.

EasyTechnical

47 practiced

Describe the version control and branching strategies you used (git flow, trunk-based, feature branches). For a project where you were the feature owner, explain the exact workflow from branch creation to release, including PR review rules, CI gates, and merge policies.

HardSystem Design

75 practiced

Design an automated testing matrix for a feature that needs validation across 3 browsers, iOS/Android webviews, and two backend DB versions. Specify which tests run on every PR, nightly, or pre-release; how you parallelize tests; and trade-offs between coverage and CI runtime/cost.

EasyBehavioral

50 practiced

Pick 2–3 significant full-stack projects where you owned one or more features end-to-end. For each project provide:- a one-sentence problem statement and business goal- frontend tech (framework, state mgmt, bundler)- backend services, language/runtime- database(s) and schema highlights- CI/CD, testing, monitoring and PM tools used (e.g., Jira, Azure DevOps)- your specific responsibilities and 2 measurable outcomes (metrics or KPIs)

HardTechnical

59 practiced

Describe a complex transitive dependency vulnerability you had to remediate across multiple services. Explain detection (scanning), prioritization (risk vs exposure), remediation plan (upgrade, patch, workaround), coordinating releases across teams, and how you validated the vulnerability was fixed.

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