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Specialty Software Engineer 3 - Contingent

Motion Recruitment -
Iselin, NJ

Apply Now

Job Details

Contract

Qualifications

Software engineering
Go
Distributed systems
Data encryption implementation
Distributed computing

Full Job Description

Outstanding long-term contract opportunity! A well-known Financial Services Company is looking for a Specialty Software Engineer in Iselin, NJ (Hybrid).

Work with the brightest minds at one of the largest financial institutions in the world. This is a long-term contract opportunity that includes a competitive benefit package! Our client has been around for over 150 years and is continuously innovating in today's digital age. If you want to work for a company that is not only a household name, but also truly cares about satisfying customers' financial needs and helping people succeed financially, apply today.

Contract Duration: 12 Months

Required Skills & Experience

5+ years of Specialty Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education
3+ years of experience in backend or systems programming, with expert-level proficiency in Go (Golang)
6+ months of experience with Elliptic Curve Cryptography (ECC)
1+ year of experience with BFT consensus algorithms, P2P networking, and state replication; reliable, distributed systems experience

Desired Skills & Experience

Blockchain Core: Deep experience with Cosmos SDK and CometBFT. Comfort building custom modules and modifying consensus logic, not just deploying smart contracts
Pedersen Commitments (Homomorphic encryption properties)
Zero-Knowledge Proofs (specifically Bulletproofs or Sigma protocols)
Math-to-Code: Demonstrated ability to read academic whitepapers/preprints and translate mathematical specifications into functioning code
Experience with MPC (Multi-Party Computation) or Verifiable Secret Sharing (VSS) schemes
Familiarity with the Ristretto255 curve or libraries like gnark-crypto
Background in FinTech, payment systems, or high-frequency trading platforms
Understanding of the Account Model vs. UTXO Model trade-offs in privacy-preserving ledgers

What You Will Be Doing

Consult on or participate in moderately complex initiatives and deliverables within Specialty Software Engineering and contribute to large-scale planning related to Specialty Software Engineering deliverables.
Review and analyze moderately complex Specialty Software Engineering challenges that require an in-depth evaluation of variable factors.
Contribute to the resolution of moderately complex issues and consult with others to meet Specialty Software Engineering deliverables while leveraging solid understanding of the function, policies, procedures, and compliance requirements.
Collaborate with client personnel in Specialty Software Engineering.
Core Protocol Development: Architect and build a custom blockchain application using Go, Cosmos SDK, and CometBFT (Tendermint)
Cryptographic Implementation: Implement and optimize privacy-preserving primitives, specifically
Pedersen Commitments and Bulletproofs (Range Proofs), ensuring no trusted setup is required
Consensus Customization: Engineer custom ABCI++ extensions (specifically PrepareProposal and Vote Extensions) to implement an on-chain Multi-Party Computation (MPC) mixing network
State Machine Design: Design a custom KVStore state machine that manages homomorphic encrypted balances (Elliptic Curve points) instead of plaintext integers
Performance Engineering: Optimize cryptographic operations (scalar multiplication, point addition) for low latency and high throughput in a distributed environment
Auditing Infrastructure: Build secure off-chain query layers and "view key" mechanisms that allow for granular, permissioned regulatory auditing

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Specialty Software Engineer 3 - Contingent

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

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