Specialty Software Engineer - Contingent

Position: Specialty Software Engineer 3 - Contingent
$67.78 - $74.28

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 Ristretto
255 curve or libraries like gnark-crypto

+ Background in Fin Tech, 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 (Tender mint)

+ 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 Prepare Proposal 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