Case Studies

Deep-dives into hard problems. Implementation secrets omitted by design — the judgment is the point.

Architecture · Security

Beating the Pirates: A Custom Content-Protection Protocol for a Closed Video Platform

Off-the-shelf DRM failed and cost too much. So I designed a custom content-protection protocol for a closed video platform — 20,000+ users, 5–10k concurrent, and it still holds today.

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Backend · Distributed Systems

Event Sourcing at Scale Soon

Event-sourced DDD microservices in Go & NestJS — a transactional-outbox publisher with Postgres advisory-lock leader election, a Neo4j graph read model, and a custom ABAC/RBAC IAM module.

Coming soon
AI / LLM · Full-Stack

A Conversational AI That Books Jobs Soon

A multilingual conversational-AI SaaS built solo in Go — RAG knowledge base, a ReAct tool-calling agent with pricing/booking tools, and content-safety guardrails, lead to booking.

Coming soon