Lead Blockchain Protocol Engineer: Go, Cosmos, ZKP

PTR Global; Woodbridge Township (NJ); On-site; USD 160,000 - 230,000; Full time

Job summary

PTR Global in Iselin, NJ is seeking a Lead Protocol Engineer to design and implement core blockchain protocol components for a regulated digital asset platform.

This role blends cryptography, high-performance distributed systems, and Go development with Cosmos SDK and CometBFT to enable compliant yet private asset settlement. You will influence architecture and performance across distributed environments.

Qualifications

• 5+ years of Software Engineering experience.
• 3+ years of backend or systems programming experience.
• Expert-level proficiency in Go (Golang).
• 1+ year of experience building reliable distributed systems.

Responsibilities

• Architect and develop a custom blockchain application using Go (Golang), Cosmos SDK, and CometBFT (Tendermint).
• Design scalable and secure protocol components for institutional-grade digital asset settlement.
• Develop custom ABCI++ extensions and on-chain components.
• Build and support an on-chain Multi-Party Computation (MPC) mixing network.
• Design and maintain custom KVStore state machines.

Skills

Go (Golang)

Distributed systems

Cryptography

Privacy-preserving tech

BFT consensus

P2P networking

ECC

Tools

Cosmos SDK

CometBFT / Tendermint

Job description

PTR Global in Iselin, NJ is seeking a Lead Protocol Engineer to design and implement core blockchain protocol components for a regulated digital asset platform.

This role blends cryptography, high-performance distributed systems, and Go development with Cosmos SDK and CometBFT to enable compliant yet private asset settlement. You will influence architecture and performance across distributed environments.