Nikolas Stepan
AI-first builder shipping full products end-to-end with AI tooling. 70+ agents across five company pods (Cadema, GemCraft, GemArt, Gemer Times, Csetneki), multilingual translation pipelines, Blender-driven 3D configurators, agent orchestration governance. Full-stack from infra to UI — self-taught, AI-assisted, production-deployed.
Multi-agent orchestration with role separation, persona + memory architectures, MCP integrations (Blender, Canva, Hyper3D), Twilio voice agents — hard-tested in Czech and Slovak.
React 18/19, Next.js 15/16, NestJS, Fastify, FastAPI. Real production deployments on Hetzner, Vercel, Docker Compose. Equally fluent in TypeScript and Python.
Three.js + React Three Fiber in two production apps with PDF export, live pricing, URL-shareable state. Blender / bpy / MCP for parametric server-side modelling.
Flutter (iOS / Android / Web from one codebase) with offline-first persistence and QR flows. React Native / Expo with EAS APK builds and offline-first SQLite sync.
Playwright + Scrapling + BeautifulSoup pipelines with three-tier fallback chains, resume / progress files, polite throttling, anti-block strategies. Real production tonnage.
Founder mindset on cost, churn, throughput, audit trails. Docker multi-stage, docker-compose, Hetzner VPS, EAS, GitHub Actions, env-driven config. CI/CD that survives a rough Friday.
Multi-company AI operations: 70+ agents across 5 company pods. 5-level autonomy ladder (L0–L4), approval-gate governance, real-time mission control.
Real-time Three.js wooden-structure configurator with PDF export, live pricing, URL-shareable state. Wired to a Blender/bpy parametric pipeline server-side.
Production translation pipeline for an e-commerce catalogue. Handles ~3k products with retry/resume, glossary enforcement, rate-limit strategy.
Interactive museum guide with offline-first persistence, QR-driven flows, AI-generated narration in CZ/SK/EN.
Real-time approval and oversight dashboard for the agent fleet. Mobile-first, audit-trailed, push-notified on attention items.
Holdout-gated robust strategy search. Anti-overfit guardrails. Walk-forward validation. Real money, real friction.