Lead Blockchain Protocol Engineer (Specialty Software Engineer 3)

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.