Articles on practice, interviews, and using SkillHacker.
Vitaliy Obolenskiy · Jun 6, 2026
Test yourself with 30 carefully curated TypeScript questions — from fundamental concepts to advanced type-level reasoning. This collection includes 15 easy , 8 medium , and 7 hard questions covering …
Read moreVitaliy Obolenskiy · Apr 14, 2026
Hey. If you're reading this, you're probably either preparing for an interview or planning to start. And honestly, I get it: in 2026, the IT hiring process has become... multi-layered. It used to be …
Read moreVitaliy Obolenskiy · Apr 5, 2026
That familiar feeling: in the evening everything “sort of makes sense”—you read the docs, watched a walkthrough, and you nod along. On Monday’s call or in a time-boxed slot, the words won’t come: tim…
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