Kacper Karbownik
Full-stack developer
# Kacper Karbownik
Full-stack developer · Warsaw, Poland
[View website](https://kacperkarbownik.xyz/en)
I like computers, tech, and building things.
Currently working at [Amplifi Liquidity](https://www.amplifiliquidity.com/). Previously Rotki and DappRadar.
## Selected work
### [RJ Estate](https://rjestate.pl/)
Property search and maps for a Warsaw agency.
### [Aegis SDK & widget](https://www.npmjs.com/package/@amplifi-liquidity/amplifi-vaults-sdk)
TypeScript tools for on-chain products.
### [Amplifi Liquidity](https://www.amplifiliquidity.com/)
Reliable state across interfaces, SDKs, and widgets.
### [Canopy](https://app.canopyhub.xyz/explore)
Vaults, pools, and rewards for Movement.
### [The Deep](https://app.thedeep.ink/explore)
Multi-chain yield, from discovery to portfolio.
### [rotki Wrapped](https://github.com/rotki/rotki/releases/tag/v1.37.0)
Your year in crypto, told through your own data.
## Hackathon highlights
### [Cook some Hooks](https://ethglobal.com/showcase/cook-some-hooks-ehuy8)
ETHGlobal Brussels
Award: Finalist · top 10 of 355
Create and deploy Uniswap v4 hooks with AI.
[Organizer announcement](https://x.com/ETHGlobal/status/1812498156002906238)
### [Sui Multisig](https://www.sui.io/blog/2025-sui-overflow-hackathon-winners)
Sui Overflow
Award: 2nd place · Payments and Wallets
Create multisig wallets, inspect transactions, and collect signatures locally.
[Source code](https://github.com/multisig-sui/sui-multisig)
### [FitBet](https://devpost.com/software/fitbet-wx7eru)
DegenHack
Award: 1st place · Aleph Zero track
Fitness challenges verified by your phone’s camera.
### [DashDAO](https://devpost.com/software/dashdao)
ETHWarsaw
Award: Winner · ETHWarsaw Best Project Prize
Track DAO delegates, votes, and participation.
### [POPKORN](https://zkok.io/mina/popkorn/)
ZK Hack Kraków
Award: Mina Foundation prize
Simpler wallet signing with zero-knowledge proofs.
### [DOG](https://ethglobal.com/showcase/dog-gipja)
ETHGlobal Istanbul
Award: Winner · Best use of Threshold
A microcredit prototype using zero-knowledge proofs of reputation.
[Source code](https://github.com/0xPetra/zkCreditScore)
## Experience
### [Amplifi Liquidity](https://www.amplifiliquidity.com/)
Full-stack Web3 / Product Engineer
Production DeFi front ends, SDKs, and embeddable widgets.
### [Rotki](https://rotki.com/)
Vue.js / TypeScript Developer
Shipped rotki Wrapped: a personal year in review for your crypto activity, built into the local-first app.
### [DappRadar](https://dappradar.com/)
Web3 Data Analyst
Blockchain network analysis with PostgreSQL and REST API work on dApp usage metrics.
## AI usage
Recorded token counts are aggregate snapshots, not a measure of code quality. Dates and private activity stay private.
- [Four-tool usage snapshot](https://kacperkarbownik.xyz/usage.json)
- [Independent local sources](https://kacperkarbownik.xyz/usage-local.json)
- [Tokens by model](https://kacperkarbownik.xyz/usage-models.json)
## Contact
- [Email](mailto:kacperkarbownik98@gmail.com)
- [Telegram](https://t.me/cleanerzk)
- [GitHub](https://github.com/cleanerzkp)