Senior Specialty Protocol Engineer

Wells Fargo

. Architect and build a custom blockchain application using Go, Cosmos SDK, and CometBFT .

Posted 9/23/2026full-timeUnited StatesSenior💰 $119,000 - $224,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in building custom blockchain applications using Go, Cosmos SDK, and CometBFT, with a strong focus on cryptographic operations and privacy-preserving technologies. Proficient in translating complex mathematical concepts into high-performance code while ensuring security and regulatory compliance.

Highest-signal resume keywords

Expert-Level Proficiency In Go (Golang)Experience With Elliptic Curve Cryptography (ECC)Deep Experience With Cosmos SDKExperience With Pedersen CommitmentsExperience With Bulletproofs

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Blockchain Application DevelopmentBackend ProgrammingSystems ProgrammingCryptographic Operations OptimizationMulti-Party Computation (MPC)Zero-Knowledge ProofsCustom ABCI++ ExtensionsHomomorphic EncryptionP2P NetworkingBFT Consensus Algorithms

Tools & Technologies

Cosmos SDKCometBFTElliptic Curve Cryptography LibrariesRistretto255Gnark-crypto

Industry Keywords

FinTechPayment SystemsHigh-Frequency Trading PlatformsPrivacy-Preserving Ledgers

Tech Stack

Tools & technologies

About the role

Key responsibilities & impact

Architect and build a custom blockchain application using Go, Cosmos SDK, and CometBFT
Implement and optimize privacy-preserving primitives, specifically Pedersen Commitments and Bulletproofs (Range Proofs)
Engineer custom ABCI++ extensions, specifically PrepareProposal and Vote Extensions, to implement an on-chain Multi-Party Computation mixing network
Design a custom KVStore state machine managing homomorphic encrypted balances represented as Elliptic Curve points
Optimize cryptographic operations, including scalar multiplication and point addition, for low latency and high throughput
Build secure off-chain query layers and view key mechanisms for granular, permissioned regulatory auditing
Architect the core settlement engine for a next-generation institutional digital asset platform
Translate mathematical proofs into high-performance, production-grade Go code
Contribute to architectural decisions involving curves, libraries, and design patterns

Requirements

What you’ll need

4+ years of Specialty Software Engineering experience, or equivalent demonstrated through work experience, training, military experience, or education
3+ years of experience in backend or systems programming
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
Deep experience with Cosmos SDK and CometBFT is desired
Experience with custom modules and modifying consensus logic is desired
Experience with Pedersen Commitments and homomorphic encryption properties is desired
Experience with Zero-Knowledge Proofs, specifically Bulletproofs or Sigma protocols, is desired
Ability to read academic whitepapers/preprints and translate mathematical specifications into functioning code is desired
Experience with MPC or Verifiable Secret Sharing schemes is desired
Familiarity with the Ristretto255 curve or libraries like gnark-crypto is desired
Background in FinTech, payment systems, or high-frequency trading platforms is desired
Understanding of Account Model versus UTXO Model trade-offs in privacy-preserving ledgers is desired

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
Incentive opportunities may be available