Senior blockchain engineer

I'm a blockchain infrastructure engineer who works at the hard end of the stack — execution clients, EVM internals, gas accounting, and state — where correctness is non-negotiable and bugs are expensive.

Over ~2 years at Nethermind I've shipped production client code across four ecosystems:

• Co-lead of the Nethermind Arbitrum L2 execution client — a C# execution layer producing state roots identical to canonical Go Nitro, validated block-by-block. I generified the VM with compile-time gas policies to add Arbitrum's multi-dimensional gas accounting at zero overhead on mainnet, and implemented the ArbOS 60 multi-gas model plus Stylus (WASM) ...