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oleh-kazaiev/README.md

Hi, I'm Oleh 👋

Senior Backend Engineer with 7+ years in Python/Django. I build scalable API systems, event-driven architectures, and production-grade LLM integrations.

Tech Stack

Backend: Python · Django · Django REST Framework · FastAPI
Data: PostgreSQL · Redis · Raw SQL
Async: Celery · RabbitMQ
AI/LLM: OpenAI API · OpenRouter · Google Gemini · Prompt Engineering
Infra: Docker · AWS · GitLab CI/CD · Cloudflare Tunnel
Tooling: Claude Code · Google Antigravity

Featured

agenticregistry — A public registry for AI agentic artifacts that I built end-to-end (FastAPI + React + k3s + Polar billing + Cloudflare R2), then killed before launch after a market analysis showed the wedge wasn't there. The postmortem walks through what got built, why it didn't ship, and what's worth stealing from the codebase.

Projects

Project Description Stack
agenticregistry Public registry for AI agentic artifacts — built, killed before launch, open-sourced with postmortem FastAPI · React · k3s · Cloudflare R2
blog Event-driven blog platform with Kafka microservices Django · FastAPI · Kafka · Elasticsearch
calories-tracker AI-powered meal analysis via photo Django · Gemini API · React
telegram-bot-service Multi-app Telegram notification gateway FastAPI · PostgreSQL · Docker
starlink-power-automation Starlink failover automation during power outages FastAPI · Shelly API · Raspberry Pi 5

Experience highlights

  • ✅ LinkedIn Official Partner API certification
  • ✅ Infrastructure handling 50K active / 550K+ historical job postings
  • ✅ Multi-provider LLM abstraction layers in production
  • ✅ Meta (Facebook, TikTok, Instagram) data pipelines

Contact

LinkedIn · olehkazaiev@gmail.com

Pinned Loading

  1. agenticregistry agenticregistry Public

    A public registry for AI agentic artifacts (skills, instructions, subagents, hooks). Built April 2026, never launched — open-sourced as a reference implementation + market postmortem.

    Python

  2. blog blog Public

    Python

  3. calories-tracker calories-tracker Public

    Python

  4. telegram-bot-service telegram-bot-service Public

    Python

  5. starlink-power-automation starlink-power-automation Public

    Python

  6. trust-me-bro trust-me-bro Public

    TypeScript