Demo scorecard
Bookstore API Repair
Backend assessment - submitted May 6, 2026
92
/100
Passed
23/25
Failed
2/25
Duration
24m 18s
Reviewer summary
Candidate used their own AI coding setup, inspected failing tests, corrected API response shape, and manually fixed pagination logic after test feedback. Two edge cases remained for reviewer follow-up.
Evidence checklist
API returns empty arrays instead of nullPassed
Pagination uses correct page offsetPassed
Error handling preserves status codesPassed
Book lookup avoids N+1 query pathPassed
Edge-case coverage for missing filtersNeeds review
Reviewer note
Strong debugging loop and good AI-tool direction. Follow up on API pagination reasoning and how they would prevent regressions in a production service.