How I Took the Stripe OA in 2026: The Actual Questions and a Prep Strategy
I took the Stripe OA on HackerRank in 2026: one 60-minute problem in 3-5 parts, 22/25 test cases, and the prep strategy I used.
How I Passed the Plaid CodeSignal OA in 2026
I took the Plaid OA on CodeSignal in 2026: the real 4 questions, a 70-minute proctored GCA, and how I cleared the 200–600 score band.
How I Passed the Meta CodeSignal OA in 2026: Real Questions
I took the Meta online assessment on CodeSignal in 2026: a 90-minute, four-stage build-a-system test with camera and screen proctoring.
I Took the JPMorgan HackerRank in 2026: The Real Questions I Got, a Prep Strategy, and What Not to Do
I took the JPMorgan HackerRank 2026 OA, solved 2 coding problems in 60 minutes, and share the exact questions, scoring, and proctoring policy.
How I Aced the DRW Codility OA in 2026: Real Questions
I took the DRW OA on Codility in 2026: 3 coding questions, 150 minutes, no score shown. Here's exactly how I passed.
I Passed the Anthropic CodeSignal OA in 2026: Real Questions and Prep Plan
I took the Anthropic CodeSignal 2026 test: one progressive problem, 90 minutes, Python only. Here's exactly how I passed and the promote() trap to avoid.