// About

0xMemo - Mehmet Guleryuz
Cusco, Peru · Turkish origin

Senior Software Engineer & Architect with 7 years of experience building infrastructure for decentralized systems. Currently leading full-stack development at Floor Markets , building a leveraged DeFi protocol with built-in floor protection — no liquidations, no interest.

Previously led SDK architecture at Inverter Network and shipped a cross-chain payment gateway as founding engineer at Crossify. Attended Koç University — ETH Global Istanbul winner, Solana grant recipient, Base Builder grantee. I build things that ship.

Solidity TypeScript Go Python Bun React

// Experience

Floor Markets

Fullstack Lead

Floor Markets

2024 — Present

Building a leveraged DeFi protocol where users amplify token price & yield up to 20× — with built-in floor protection. No liquidations, no interest. Architecting the Floors SDK, frontend, and smart contract integrations.

TypeScriptNext.jsViemDeFiSDK
Inverter Network

Fullstack Lead

Inverter Network

Sept 2023 — 2024

Architected the Inverter SDK — a highly generic, type-safe toolkit for composable blockchain interactions. Built Controlroom, a modular dashboard for managing decentralized workflows. Shipped architecture diagrams, internal docs, and developer tooling.

TypeScriptNext.jsSDK DesignWeb3Wagmi
Crossify

Founding Engineer

Crossify

2022 — 2023

First engineer hire. Architected and shipped a cross-chain crypto payment gateway end-to-end — backend (Node.js, Express, Ethers), frontend (Next.js SSR), Docker/AWS deployment. Handled multi-chain transaction routing in production.

ReactSolidityNode.jsAWSDocker
Getir

Frontend Intern

Getir

2019 — 2020

Built consumer-facing UI at one of Turkey's fastest-growing unicorn startups (valued at $11.8B at peak). Worked on high-traffic web apps serving millions of users across React and Angular.

ReactAngularJavaScriptUI/UX

// Projects

// Tech Stack

Tools & technologies I work with daily

TypeScript
Python
React
Next.js
Astro
Node.js
Solidity
Viem
Wagmi
Ethers.js
Tailwind CSS
PostgreSQL
Vector DBs
GraphQL
tRPC
Prisma
Docker
AWS
Vercel
Hardhat
Foundry
The Graph
IPFS

Let's Build Together

Open to collaborations, consulting, and interesting conversations about the future of decentralized systems.