karl ryberg cv

karl ryberg

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

🇳🇱 The Netherlands+🇪🇸 Spain

Core Stack

Blockchain

Frontend

Focus Areas

Core Experience

Lattic3 Finance

Co-Founder

Radix feature
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, developed the product UX, helped design the protocol strategies, and supported marketing.
  • 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.

SCRBL

ETHGlobal Brussels · Solidity

Worldcoin Pool Prize

Under-collateralized lending platform leveraging Worldcoin identity.

  • Pyth
  • Chainlink
  • World ID

WeSplit

ETHGlobal Prague · Solidity

1inch Prize

Group expense splitting app that lets users pool funds and pay a bill in one click using 1inch Fusion+.

  • Solidity
  • Foundry
  • 1inch

Oshio

ETHGlobal HackMoney 2026 · Frontend

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

Aletheia

Chainlink Convergence · Full stack

Pending...

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