Welcome to my portfolio

Full-Stack Web Developer, AI Engineer, Web Applications & AI Automation, End-to-End Product Builder

Full-stack web developer and AI engineer building production web applications and practical AI automations—from interface to cloud.

Portrait of Paweł Bielecki

Technology sphere

One stack for complete digital products.

A practical toolkit for shipping web experiences, backends, data pipelines, AI workflows, and cloud infrastructure as one coherent product.

Explore my skills

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  • Next.js
  • React
  • TypeScript
  • Node.js
  • Tailwind CSS
  • Python
  • shadcn/ui
  • Motion
  • Zod
  • FastAPI
  • Payload CMS
  • LangGraph
  • PostgreSQL
  • Supabase
  • Prisma ORM
  • MongoDB
  • Google Cloud Storage
  • Vercel
  • Google Cloud Platform
  • Docker
  • Codex
  • Playwright
  • GitHub
  • Vitest
  • pytest
  • Pydantic
  • Langfuse
  • Gemini Agent Platform
  • Upstash Redis
  • Google Cloud Tasks
  • React Email
  • Resend
  • React Hook Form

Selected work

Production web platforms, practical AI systems, and engineering projects presented through the decisions behind them.

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Chess Tactical Lens showing a knight fork, check, hanging queen, and tactical overlays
Algorithms01

Chess Tactical Lens

A local-first chess workspace that explains the immediate threats and consequences created by each move—without an engine, evaluation score, or best-move recommendation.

  • Next.js
  • TypeScript
  • React
  • chess.js
  • SQLite
  • Tailwind CSS
  • Vitest
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Indos chatbot assistant embedded in the company website
AI & ML02

Indos.pl customer assistant

A production RAG assistant that answers product questions from a CMS-synchronised knowledge base and identifies sales leads.

  • Next.js
  • TypeScript
  • Payload CMS
  • Gemini Agent Platform
  • Google Cloud Platform
  • Upstash Redis
  • react-markdown
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Reveal Decks library showing presentation cards, search, tag filters, and the new-deck command
Web application03

Reveal Decks

A local-first TypeScript workspace for authoring, organizing, presenting, and reliably printing independent reveal.js decks.

  • TypeScript
  • Vite
  • reveal.js
  • Vitest
  • GitHub
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Let's build something useful

Have a problem worth solving?

Tell me what you are working on, where the friction is, and what a good outcome would look like.

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