Marcin Grzmil

Front-End Developer | Full-Stack Experience

Specialized in React, Next.js and TypeScript with 2+ years of e-commerce experience. Expanding into full-stack with Node.js, Bun, and PostgreSQL.

Languages

JavaScript (ES6+) TypeScript HTML5 CSS3 SASS/SCSS

Frameworks

React Next.js Redux MobX Express Hono

Backend

Node.js Bun REST APIs SSE PostgreSQL Redis Drizzle ORM

Tools

Git GitLab CI/CD Docker Webpack Linux/Bash

Testing & Monitoring

Jest Puppeteer Kibana Grafana Jaeger

Projects

Woof App + Infrastructure

Full-stack project with custom REST API and CDN. App on Firebase, API and CDN self-hosted on VPS with nginx, pm2.

React REST API nginx VPS
App API Docs CDN

Portfolio Website

Self-hosted on private VPS with Cloudflare domain.

HTML CSS VPS
View Site

Technical Blog

Writing about clean code, refactoring, state management, and software design.

Writing
Read Blog

Awesome Books

Books which helped me along the way: Reading List