Building decentralized technologies people can trust.

I'm Obinna Franklin Duru (BinnaDev), a Smart Contract Engineer and backend developer. My work blends the rigor of secure smart contract engineering with the care of ethical design.

Obinna Franklin Duru

Smart Contract Engineer

I believe reliability is the foundation of innovation. Thoughtful design prevents risk, and excellence turns code into craftsmanship.

I engineer systems that endure, choosing clarity and security over complexity. Guided by reliability, thoughtfulness, and excellence, I design systems that balance technical precision with ethical integrity.

Professional Focus

My expertise is centered on building secure onchain systems and the backend infrastructure that supports them.

Core Smart Contract Expertise

Smart Contract Engineering
Security & Auditing Principles
Gas Optimization
Onchain Architecture

Secondary Expertise

Backend Systems
REST APIs & SDKs
Database Design
Cloud Integrations

Ecosystem & Tools

Ecosystem: Ethereum and Base (L2)
Languages: Solidity, Node.js, TypeScript
Tools: Foundry, Hardhat, Ethers.js, OpenZeppelin