Aleksei Aleinikov

Reuse commands → fewer flakies. Fixtures → compact negative tests. Intercepts → test edge cases...

Aleksei Aleinikov

Shadow DOM where it helps. Plain DOM where it doesn’t. I build components with just HTML, CSS, and...

Aleksei Aleinikov

Bind events → payloads. Derive forms → domain models. Extract handlers → type-safe. Runtime bugs?...

Aleksei Aleinikov

Local clouds aren’t “lesser.” They just reward different habits: ✔️ Fast, boring CI/CD ✔️...

Aleksei Aleinikov

Tags feel like a shortcut — until they turn into hidden control surfaces. I explain why I dropped...

Aleksei Aleinikov

It’s not about memorizing commands — it’s about discipline: ✔️ Experiments in a sandbox ✔️ A lab...

Aleksei Aleinikov

Flipping the “auth switch” in production? Expect Permission Denied storms. I share a phased...

Aleksei Aleinikov

Error handling isn’t about fewer lines — it’s about higher signal. I share 3 practices that make...

Aleksei Aleinikov

Value receiver ≠ immutability. Named results ≠ safe exits. defer ≠ runs with “latest value.” Here’s...

Aleksei Aleinikov

Reflection in Go isn’t “slow” by default. The real tax comes from Interface(), not .Field(i). Learn...

Aleksei Aleinikov

Over-engineered types can strangle refactoring. Here’s how I decide what belongs in types, and what...

Aleksei Aleinikov

– Why await beats timers – How microtasks flood and drop frames – What really blocks rendering 👉...

Aleksei Aleinikov

I contribute to Google & Linux Foundation projects in my spare time — and the ROI is...

Aleksei Aleinikov

Noisy alerts get muted. Silent alerts cost money. In 2025, I design rules that reflect real...

Aleksei Aleinikov

Tokens in logs. API keys in docker inspect. Debug output leaking creds. Here’s my 3-step playbook...

Aleksei Aleinikov

Most devs don’t fail interviews on exotic puzzles — they trip on everyday JavaScript quirks. I...

Aleksei Aleinikov

In 2025, deleting unused code gave us real speed gains — faster builds, lighter bundles, happier...

Aleksei Aleinikov

But half-baked commits? They haunt you later. Here’s why I never make dirty commits anymore — and...

Aleksei Aleinikov

If Node.js is single-threaded, why doesn’t it freeze on I/O? The answer lies in the event loop’s...

Aleksei Aleinikov

Ever had a “valid” secret mysteriously vanish during deployment? In 2025, the real culprit often...

Aleksei Aleinikov

Flaky UI tests usually fail not because the feature is broken, but because selectors depend on...

Aleksei Aleinikov

Teams declare intent, the platform provisions under policy — faster delivery, lower...

Aleksei Aleinikov

Microservices empower teams — but they also create chaos in service-to-service communication. In...

Aleksei Aleinikov

I upgraded a production Angular app — and instantly felt the difference. In my new guide, I...

Aleksei Aleinikov

Two tools, two configs, endless friction. In 2025, I switched from ESLint + Prettier to ESLint...

Aleksei Aleinikov

Sometimes a single misplaced await fetch() adds hundreds of ms to your p95. In my new article, I...

Aleksei Aleinikov

Goroutines aren’t “magic” — real performance comes from disciplined patterns. In my new article, I...

Aleksei Aleinikov

Can a company boot up a full environment from a portal with just one click? Yes — if you treat...

Aleksei Aleinikov

A clean folder tree won’t save a messy system. In my new article, I explain what FSD actually...

Aleksei Aleinikov

Most performance issues don’t come from the framework — they come from tiny mistakes that pile...