Lead Specialty Software Engineer - Hybrid#26-11019

Concord, CA

Onsite

Contract

Starts 11/05/2026

Ends 11/04/2027

Job Description

Genesis10 is currently seeking a Lead Specialty Software Engineer for a hybrid position with a Global Financial Institution located in Concord, CA. This is a 12+ month contract opportunity.

As a Lead Protocol Engineer, you will contribute to a next-generation Digital Asset Platform designed to solve the critical challenge in institutional finance of achieving strict regulatorypliance withoutpromising transaction confidentiality. You will be responsible for architecting the core settlement engine, working at the intersection of distributed systems and applied cryptography, and translatingplex mathematical proofs into high-performance, production-grade Go code.

Responsibilities:

Architect and build a custom blockchain application using Go, Cosmos SDK, and CometBFT (Tendermint)

Implement and optimize privacy-preserving primitives, specifically Pedersen Commitments and Bulletproofs (Range Proofs), ensuring no trusted setup is required

Engineer custom ABCI++ extensions (specifically PrepareProposal and Vote Extensions) to implement an on-chain Multi-Party Computation (MPC) mixing network

Design a custom KVStore state machine that manages homomorphic encrypted balances (Elliptic Curve points) instead of plaintext integers

Optimize cryptographic operations (scalar multiplication, point addition) for low latency and high throughput in a distributed environment

Build secure off-chain query layers and "view key" mechanisms that allow for granular, permissioned regulatory auditing

Requirements:

• 5+ years of Specialty Software Engineering experience, or equivalent demonstrated through one or abination 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:

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)

Demonstrated ability to read academic whitepapers/pres 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

Experience with YugaByte/Postgres and/or Liquibase

Pay range: $60.63 - $68.63 per hour

Only candidates available and ready to work directly as Genesis10 employees will be considered for this position.

If you have the described qualifications and are interested in this exciting opportunity, please !

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

For contract roles, Genesis10 offers the benefits listed below. If this is a perm-placement opportunity, our recruiter can talk you through the unique benefits offered for that particular client. Benefits of Working with Genesis10:

Access to hundreds of clients, most who have been working with Genesis10 for 5-20+ years.

The opportunity to have a career-home in Genesis10; many of our consultants have been working exclusively with Genesis10 for years.

Access to an experienced, caring recruiting team (more than 7 years of experience, on average.)

Behavioral Health Platform

Medical, Dental, Vision

Health Savings Account

Voluntary Hospital Indemnity (Critical Illness & Accident)

Voluntary Term Life Insurance

401K

Sick Pay (for applicable states/municipalities)

Commuter Benefits (Dallas, NYC, SF, and Illinois)

For multiple years running, Genesis10 has been recognized as a Top Staffing Firm in the U.S., as a Best Company for Work-Life Balance, as a Best Company for Career Growth, for Diversity, and for Leadership, amongst others. To learn more and to view all our available career opportunities, please visit us at our website.

Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.