Developer Jobs in Woodbridge, NJ

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1mo ago

Lead Blockchain Protocol Engineer (Specialty Software Engineer 3)

Experis Woodbridge, NJ

Woodbridge, NJ

1mo ago Closed

$73+/hr Contract Backend Developer Blockchain Bulletproofs

This position is no longer accepting applications (closed Jul 21, 2026).

Job Description

Experis is recruiting for a contingent lead blockchain protocol engineer to join the Specialty Software Engineering group in Woodbridge, New Jersey. The role centers on designing and building a core settlement engine for a blockchain-based digital asset platform, with emphasis on privacy-preserving cryptographic primitives, consensus extensions, and scalable distributed systems. This contract position offers about $73 per hour and requires onsite presence.

Responsibilities

Architect and develop a core settlement engine using 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.

Requirements

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.

Technologies

Go (Golang)
Elliptic Curve Cryptography (ECC)
Pedersen Commitments
Bulletproofs

Benefits

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.

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