Lead Blockchain Protocol Engineer (Specialty Software Engineer 3 )-NJ

Experis; Port Reading (NJ); On-site; USD 140,000 - 220,000; Full time

Job summary

Experis is seeking a Lead Blockchain Protocol Engineer to join their advanced fintech team in Woodbridge Township, NJ. You will architect and build a core settlement engine using blockchain tech and cryptographic primitives.

You will design privacy-preserving protocols, pursue custom consensus extensions, optimize crypto operations, and create secure off-chain query layers with auditing features to support regulatory compliance.

Qualifications

• 4+ years of experience in Specialty Software Engineering or equivalent.
• Proficiency in backend or systems programming with Go (Golang).
• At least 6 months of experience with ECC, and 1+ year with BFT, P2P networks, and distributed systems.

Responsibilities

• Architect and develop a core settlement engine utilizing blockchain technology and cryptographic primitives.
• Implement privacy-preserving cryptographic primitives to ensure transaction confidentiality.
• Design and engineer custom consensus extensions and state machines for distributed ledger systems.
• Optimize cryptographic operations for performance and scalability.
• Build secure off-chain query layers and permissioned auditing mechanisms for regulatory compliance.

Skills

Go (Golang)

ECC experience

Distributed systems

BFT consensus

P2P networking

Cryptographic protocols

Job description

Our client, a leading organization in the financial technology sector, is seeking a Lead Blockchain Protocol Engineer (Specialty Software Engineer 3 - Contingent) to join their innovative team. As a Lead Blockchain Protocol Engineer (Specialty Software Engineer 3 - Contingent), you will be part of the Specialty Software Engineering department supporting cutting-edge digital asset platform development. The ideal candidate will demonstrate strong analytical skills, collaborative mindset, and a passion for solving complex technical challenges, which will align successfully within the organization.

Job Title: Lead Blockchain Protocol Engineer (Specialty Software Engineer 3 - Contingent)

Location: Woodbridge Township, NJ

What's the Job?

• Architect and develop a core settlement engine utilizing blockchain technology and cryptographic primitives.
• Implement privacy-preserving cryptographic primitives such as Pedersen Commitments and Bulletproofs to ensure transaction confidentiality.
• Design and engineer custom consensus extensions and state machines for distributed ledger systems.
• Optimize cryptographic operations for performance and scalability in a distributed environment.
• Build secure off-chain query layers and permissioned auditing mechanisms to support regulatory compliance.

What's Needed?

• 4+ years of experience in Specialty Software Engineering or equivalent, including work, training, or military background.
• Proficiency in backend or systems programming with expert-level knowledge of Go (Golang).
• At least 6 months of experience with Elliptic Curve Cryptography (ECC).
• Over 1 year of experience with BFT consensus algorithms, P2P networking, and distributed systems.
• Strong understanding of cryptographic protocols, consensus mechanisms, and distributed ledger technologies.

What's in it for me?

• Work on challenging, impactful problems that influence the future of institutional finance.
• Engage in high-impact engineering projects that enhance transaction security and privacy.
• Enjoy technical autonomy and participate in architectural decision-making processes.
• Collaborate with a talented team dedicated to innovation and excellence.
• Contribute to a forward-thinking organization committed to diversity and inclusion.