Blockchain Engineer
Fullstack, New York City
The role
As a Blockchain Engineer at Fullstack, you will build the foundational infrastructure that powers a next generation trading platform. You will design and ship core blockchain systems that prioritize reliability, speed, and precision under real world conditions. You will work deep in consensus, networking, and execution layers. You will collaborate closely with product and frontend teams to ensure the underlying protocol delivers a seamless experience for end users, even in the most demanding market conditions.
What you will do
Consensus & State Machines: Implement, harden, and extend consensus protocols to guarantee safety and liveness under adversarial network conditions. Design and optimize state transition functions. Handle block proposal, voting, and finalization logic.
Execution Layer Integration: Work with Ethereum-compatible execution clients. Bridge consensus layer with execution engine. Implement payload building, block validation, and state root verification. Design execution extensions for data pipelines.