Roma Glushko's Blog

Why Ingress Is Being Replaced and Which Gateway Controller to Pick

Why the OAuth2 protocol was designed the way it is and how it works.

Designing a customer support platform with live chat features similar to Zendesk or Intercom.

Telemetry Processing as a Service with OTel Collector

Logs, metrics, traces collection in OTel SDK

How Jupyter executes, inspects, completes, and debugs code

When to buy, build or use open source solutions?

How I learned about hooks by upgrading this website

Learn to communicate your ideas clearly while coding

Every promotion makes you closer to being a low performer

How distributed systems differ from single-node setups

How a lazy Sunday morning reveals whether your habits are working for you or against you

About the inefficiency of 360 reviews and how you could do better

Have fun designing least-recently-used cache in Python

How the priority queue and heap work: theory, implementation, complexity.

A full story about building a custom ML workstation.

Theoretical aspects of the KNN algorithm.

Play rock, paper, scissors game powered by computer vision

Sometimes the best move is no move - why acting under uncertainty can do more harm than waiting

A few rules to keep in mind when making decisions

Every choice comes with trade-offs - learning to see and accept them is what makes decisions stick

Improve yourself by measuring where you are right now

We often underestimate the power of simply asking - why we hesitate and what happens when we don't

The comfortable, predictable life you imagine isn't what growth looks like - and that's okay

Proactivity will make you version 2.0