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

  •  Reference Number: 401859
  •  Posted: 06/19/2026
  •  Job Type: Contract

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.

If this is a role that interests you and you'd like to learn more, click apply now and a recruiter will be in touch with you to discuss this great opportunity. We look forward to speaking with you!

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.

Woodbridge Township, NJ

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