Jan Michek's avatar

Jan Michek

Web3 full-stack engineer
Czechia / Prague / 1987

Summary

Senior engineer with 14 years of experience, including 5+ years of building Web3 experiences on smart contracts. I combine full-stack expertise in JS frameworks with Solidity to build dApps that are a joy to use.
My background includes leading the development of blockchain explorer aescan.io, crafting smooth Web3 UX flows for an NFT lending platform at PWN. I am proud of winning an award at the Polkadot Hackathon.

Recent projects

Melodot — Polkadot Hackathon Winner

  • Placed among winners at the Polkadot Builder Party. Built Melodot , a decentralized music discovery and donation dApp combining music recognition technology with blockchain-based donations - bridging art and technology.
  • Developed a full-stack blockchain application - proof-of-concept that solves a real-life problem.
  • Covered the full spectrum of modern app development: communication, product vision, wireframing, UI/UX design, smart contract development and deployment, API design, frontend, and app deployment.
  • Used tech:

aeScan.io

  • An open-source blockchain explorer of aeScan.io , an for the Aeternity network, where I took a leader part, full autonomy over technical decisions. Built comprehensive blockchain data visualization aggregating multiple sources.
  • Architected responsive user interfaces handling blockchain interactions, statistics visualization, and real-time data updates. Implemented contextual educational hints to help users understand different aspects of blockchain technology.
  • Open source project where I collaborated with contract developers, designers, community users, and stakeholders to continuously improve the platform and shape product vision.
  • Used tech:
PWN Finance

PWN Finance

  • The first NFT pawnshop on Ethereum pwn.xyz where I collaborated on frontend, handling user interactions with wallets and smart contracts. Built a seamless web3 user experience from scratch.
  • Collaborated on visual design and UX architecture while engaging directly with the crypto community during volatile market conditions. Rapidly iterated based on user feedback and market demands as part of a small, agile startup team.
  • Contributed to product vision and working closely with all team members to shape the platform's direction.
  • Used tech:

EngineBox

  • Music-related passion project — EngineBox converts Engine OS playlists to Rekordbox. I was overpaying a $10/month subscription for a tool that converts playlists across platforms.
  • One weekend with no gigs, I set up a plan for an AI agent to crack the conversion script using AI loops engineering. And it worked.
  • Now it's free for everyone to convert — either as a macOS standalone Electron app or a live web version.
  • Used tech:

Goodies

CV

CV
Download my curriculum vitae — experience, projects, and skills in one place.

aeScan Walkthrough

aeScan Walkthrough
A video of me dive into my latest project and explaining details

Weekly News Feed

Weekly News Feed
List of tech, frontend & crypto related links I am going through every Sunday.

Karabiner Shortcuts

Karabiner Shortcuts
My personal way to tune ergonomics. I believe this is ultimate good, but it may serve as inspiration.

Melodot Walkthrough

Melodot Walkthrough
Walkthrough of MeloDot — decentralized music discovery and donation dApp from the Polkadot Builder hackathon.

Claude Settings

Claude Settings
Personal configuration and settings for Claude Code CLI to enhance development workflow from different tutorials in one place.

Source Code

Source Code
Source code of this personal page. This web is hosted on Firebase.

Photos Gallery

Photos Gallery
I like shooting photos too. Especially flowers. Here is a small presentation of my esthetics skills. Or they can be used as a nice placeholders images.

Music Production

Music Production
I invest my free time into music production: creative organization proven by 12+ millions of streams, and personal building of communities worldwide. Have a listen.