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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Homepage of the Indos corporate website
Web application01

Indos.pl corporate website

A new corporate website built from the ground up with Next.js and Payload CMS for speed, security, SEO, and effortless content publishing.

  • Next.js
  • TypeScript
  • Payload CMS
  • Motion
  • MongoDB
  • Vercel
  • Upstash Redis
  • Resend
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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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AI & ML03

People density analysis

A resilient Python microservice pipeline that queues image analysis, runs YOLO inference, and stores results asynchronously.

  • Python
  • FastAPI
  • PostgreSQL
  • RabbitMQ
  • YOLO
  • Docker
View in projects

Let's build something useful

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