Anton Vorontsov

Becoming a Tech Lead isn't just about new responsibilities — it's a complete shift in how you make decisions and measure your impact. Here's what changed in my thinking over the years.

Code review can easily become a source of conflict and burnout. Sharing the principles that helped my team keep both code quality and a healthy atmosphere intact.

Event-driven architecture sounds great on slides, but at scale it surfaces real problems with idempotency, delivery ordering, and debuggability. A collection of pitfalls my team has hit firsthand.

Real-world cases of applying CQRS in distributed systems — where the pattern genuinely solves performance and consistency problems, and where it just adds needless complexity.

A walkthrough of migrating a high-load WMS's primary datastore to a sharded architecture without stopping warehouse operations. Covers shard key selection, data migration, and handling consistency edge cases.