Senior Protocol Engineer: Enterprise Blockchain

Global Settlement Network; Miami (FL); On-site; USD 180,000 - 280,000; Full time

Job summary

Global Settlement seeks a Senior Protocol Engineer to design and operate the core chain architecture for institutional settlement infrastructure. You will work hands-on with consensus, node operations, and cross-chain design in a distributed system environment using Rust or Go.

Role emphasizes building the settlement protocol, with some smart contract work. Experience with Ethereum, Cosmos, or Hyperledger is valued, and production-grade infrastructure is expected. US work authorization required.

Qualifications

• 5+ years software engineering experience, including 3+ years in blockchain or protocol infrastructure.
• Hands-on experience with consensus algorithms and distributed systems design.
• Strong Rust or Go; proficiency in Java, Solidity, or Python is a plus.

Responsibilities

• Design, build, and operate blockchain node infrastructure and settlement protocol architecture
• Implement and tune consensus mechanisms (BFT, PoS, PoA) for enterprise throughput and deterministic finality
• Architect cross-chain communication and bridging for multi-network settlement
• Drive security, scalability, and reliability across all chain-level systems
• Lead research on L1/L2 architectures, emerging protocols, and settlement patterns
• Write the RFCs and architecture decision records engineering builds against
• Mentor engineers and set infrastructure standards through code review

Skills

Consensus algorithms

Distributed systems design

Node operations

Rust

Go

Tools

Rust

Go

Docker

Kubernetes

Ethereum

Cosmos

Hyperledger

Canton

Job description

Global Settlement seeks a Senior Protocol Engineer to design and operate the core chain architecture for institutional settlement infrastructure. You will work hands-on with consensus, node operations, and cross-chain design in a distributed system environment using Rust or Go.

Role emphasizes building the settlement protocol, with some smart contract work. Experience with Ethereum, Cosmos, or Hyperledger is valued, and production-grade infrastructure is expected. US work authorization required.