karl ryberg cv

karl ryberg

engineering student and full-stack blockchain developer focused on defi strategies, lending and leverage mechanics, and simplifying onchain ux.

🇳🇱 netherlands+🇪🇸 spain

core stack

core experience

oct 2024 - aug 2025
  • defi
  • strategies
  • flash loans
  • next.js
  • radix
  • co-founded lattic3 with one other engineer, secured $20k in radix foundation grants, and launched the protocol on radix mainnet.
  • built the next.js app frontend and protocol-facing user flows for strategy discovery, deposits, and position management.
  • lattic3 is a defi strategies protocol; the first strategy used flash loans to build leveraged positions across lending platforms.

hackathon projects

15+ hackathons completed

prize-winning projects are a big part of the story because they show how i build fast, ship complete products, and work across defi, lending, oracles, and onchain ux. most notable ones are shared below.

worldcoin pool prize

under-collateralized lending platform leveraging worldcoin identity.

  • pyth
  • chainlink
  • world id

paragon

xstocks cannes · full stack

discretionary prize | $3.3k

first-ever liquidation-free tokenized equity leverage platform on the ink chain.

  • typescript
  • react
  • full stack
sui bounty | $1k

margin-trading app on sui focused on simpler ux, using deepbook and pyth to make leveraged trading more accessible.

  • sui
  • deepbook
  • pyth
  • next.js
world id | $500

prediction markets with ai consensus resolution and market creation (+ sybil resistance).

  • tenderly
  • chainlink cre
  • world id

other experience

active suspension system

built an active suspension system for a 1/10 scale rc car, using sensors and pid control to reduce rollovers during aggressive cornering.

education