Technical resources created by senior, staff, and principal engineers.
43 posts
Interview PreparationJuly 16, 2026by Abdu Mappuji
The biggest system design interview mistakes strong engineers make usually aren't knowledge gaps — they're communication patterns. Here's what to do instead.
Job HuntJuly 7, 2026by Abdu Mappuji
Learn how to show senior-level judgment in system design interviews.
Learn how to explain AI project impact in interviews with stronger metrics, user outcomes, and before-and-after results.
Before you choose a vector database or retrieval strategy, there are four product questions every AI system design interview requires.
AIJune 2, 2026by Michael Novati
Tech layoffs and record profits are happening at the same time. The real explanation is more specific than AI replacement, and it changes what engineers should do.
Engineering ResourcesMay 14, 2026by Formation
Frontend development isn’t dead, but AI is changing the role. Learn where AI helps, where it struggles, and what frontend engineers should focus on next.
AI made writing code faster. It didn't make code review faster. Here's how to build an AI coding workflow that scales both, from planning to review.
Claude Code vs. Codex: how the two leading AI coding agents compare on speed, cost, code review, and large codebases.
Interview PreparationJanuary 6, 2026by Formation
How software engineers can manage mindset, energy, and confidence during a long job search and interview process.
Engineering ResourcesDecember 18, 2025by Formation
Learn how software engineers build real business impact, make better decisions, and show this mindset in interviews and daily work.
