Lead Protocol Engineer – Go, Cryptography

Wells Fargo

Lead Protocol Engineer contributing to a next-generation Digital Asset Platform at Wells Fargo. Responsible for architecting secure blockchain solutions and implementing cryptographic operations.

Posted 7/1/2026full-timeIselin • California, New Jersey, Ohio • 🇺🇸 United StatesSenior💰 $159,000 - $305,000 per yearWebsite

Tech Stack

Tools & technologies

Distributed SystemsGo

About the role

Key responsibilities & impact

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

What you’ll need

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

Benefits

Comp & perks

Health benefits
401(k) Plan
Paid time off
Disability benefits
Life insurance, critical illness insurance, and accident insurance
Parental leave
Critical caregiving leave
Discounts and savings
Commuter benefits
Tuition reimbursement
Scholarships for dependent children
Adoption reimbursement

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Blockchain Application DevelopmentCustom ABCI++ ExtensionsPrivacy-Preserving PrimitivesHomomorphic EncryptionCryptographic Operations OptimizationMulti-Party Computation (MPC)KVStore State Machine DesignLow Latency OptimizationHigh Throughput SystemsRegulatory Auditing Mechanisms