Hello 👋, my name isMarko Petrlić

About me

Writing fast, reliable and readable code is what I do.

You can put whatever you want here.

Also here.

Featured projects

Below you will find various projects carried out in a professional or personal context.

Avail blockchain

Implementation of Avail blockchain node and fork of polkadot UI.

Substrate
Rust
DevOps
Polkadot.js
AWS
Runtime upgrades
Data availability
Avail indexer

Infrastructure to deterministically index transactiosn and events from the chain.

Subquery
Postgres
GraphQL
Substrate
Node
Avail JS SDK

Avail typescript SDK to interract with the chain.

Typescript
NodeJS
Polkadot.js
Substrate
NPM
Avail Rust SDK

Avail rust SDK to interract with the chain.

Rust
Polkadot.js
Substrate
Ternoa blockchain

Implementation of Ternoa blockchain node.

Substrate
Rust
DevOps
Polkadot.js
TEEs
Runtime upgrades
NFTs
Marketplace
Auction
Renting
Capsule
Ternoa SDK

Ternoa blockchain typescript SDK.

Typescript
NodeJS
Polkadot.js
Substrate
NPM
Ternoa bridge

Ethereum to native caps bridge.

React
Next
Polkadot.js
Ether.js
Substrate
Ternoa indexer

Infrastructure to deterministically index transactiosn and events from the chain.

Subquery
Postgres
GraphQL
Substrate
Node
Ternoa bridge v1

ERC Caps to BSC caps bridge.

React
Next
Polkadot.js
Ether.js
Substrate
Ternoa API

Handling Users, faucet, NFT giveaway, signature verification, ...

Express
Node
Ether.js
Polkadot.js
MongoDB
Cron

Find me on the web

Whether you want to get in touch, talk about a project collaboration, or just say hi, I'd love to hear from you.

© 2025 Marko. All Rights Reserved.