Samuel Onoja Taiwo

github | email

I’m a self-taught systems engineer focused on blockchain infrastructure and low-level performance work. I write mostly Rust, Golang, and C, but I’m comfortable across the stack.

Most recently at Komodo Platform, where I built DeFi backend systems and cross-chain trading infrastructure.

Professional Experience

Rust Software Engineer @ Komodo Platform

May 2022 - 2025

Worked on Komodo’s DeFi core backend, building blockchain applications in Rust and Golang:

• Integrated the Z/Pirate Coin protocol for web-based trading using WebAssembly
• Integrated WalletConnect protocol into Komodefi
• Enhanced Bitcoin Light Client (SPV) with critical fixes and improvements
• Developed EnumFromStringify, an internal Rust macro tool for improved enum and error handling
• Contributed to various blockchain protocol implementations (UTXO, ETH, etc.)

Fullstack Engineer @ DDW

April 2020 - May 2022

• Built magazine websites with WordPress, NextJS & TypeScript
• Developed membership platform for UK/US users
• CSSDA UI/UX Award (June 2020)

Notable Contributions

Zcash/ARRR WASM Implementation - Komodo DeFi Framework

Ported the Zcash protocol (ARRR coin) to WASM for browser-based transactions. Refactored librustzcash for async, added IndexedDB wallet storage, and built a WASM-compatible gRPC transport. View PR | librustzcash

WalletConnect v2 Integration - Komodo DeFi Framework

Integrated WalletConnect v2 for EVM and Cosmos chains. Handles multi-session, persistent storage, and Sign & Pairing APIs. View PR | WalletConnectRust

REVM - Performance Optimization

7.9x speedup in JumpTable lookups (9.4M → 74.6M ops/sec). View PR

Rust - needless_type_cast lint

New lint that detects bindings cast to the same type at every usage site, suggesting the correct type at definition. View PR

Open Source

• rustlibzcash - Zcash protocol in Rust
• WalletConnectRust - WalletConnect protocol in Rust
• Rust - cargo fmt, rust-clippy
• rustaceanvim - Neovim Rust plugin
• eza - modern ls replacement
• MongoDB - BSON Rust implementation
• Penumbra - Cosmos privacy blockchain
• Khoomi - Golang e-commerce API

Contact

• Email: 0@sot.dev
• GitHub: @borngraced
• Location: Lagos, Nigeria