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

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

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

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

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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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

Let's build something useful

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

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