// hello world

Sergey
Bogomolov

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Backend engineer
building at scale

Go developer at Yandex. I build high-load distributed systems, APIs and infrastructure that handles millions of requests per day.

I care deeply about clean architecture, observable systems and the kind of code that doesn't wake you up at 3am.

When not writing Go, probably thinking about Go.

Go routines
0 nil panics
100% table tests
3am best commits

Tools of the
trade

🐹Go
🐘PostgreSQL
Redis
🦄Kafka
🐳Docker
☸️K8s
🔭gRPC
📊Grafana
🌿Git
🧪Testing

Selected
projects

🔐
Auth Service
High-performance authentication microservice with JWT, refresh token rotation and rate limiting.
Go Redis gRPC Postgres
📡
Event Gateway
Real-time event streaming gateway with WebSocket support, fan-out delivery and dead letter queues.
Go Kafka WebSocket K8s
🗄️
Cache Layer
Distributed caching middleware with consistent hashing, TTL management and cache invalidation patterns.
Go Redis Consistent Hash
🔍
Observability Stack
Structured logging, tracing and metrics setup template for Go microservices. OpenTelemetry-first.
Go OTel Prometheus Grafana

Let's
connect

Open to interesting conversations, collaborations and hard engineering problems.
Drop a message — I read everything.