Lead Cryptography Engineer (MPC & Confidential Computing)
Wells FargoBase Salary
$159k - $305k/yr
Responsibilities
- Architect and implement high-performance MPC threshold signature schemes such as DKLS23 for ECDSA key generation and signing.
- Design and build services running in Trusted Execution Environments using AMD SEV-SNP, Intel TDX, and Confidential Containers.
- Implement the RATS remote-attestation architecture so key shares are released only after hardware and software integrity is proven to the Key Broker Service.
- Design cold-ceremony workflows integrating offline hardware tokens as offline Key Encryption Keys for disaster recovery and deep storage.
- Develop and optimize memory-safe Rust or Go code operating on key material within encrypted memory regions.
- Bind business-logic approvals such as WebAuthn assertions directly to MPC signing sessions.
- Lead architectural decisions for the custody engine and Key Management Service.
Requirements
- At least 5 years of Specialty Software Engineering experience or equivalent demonstrated through work experience, training, military experience, or education.
- At least 3 years of backend or systems programming experience with expert-level Go proficiency.
- At least 6 months of Elliptic Curve Cryptography experience.
- At least 1 year of experience with BFT consensus algorithms, P2P networking, state replication, and reliable distributed systems.
- Desired experience with Cosmos SDK and CometBFT, including custom modules and consensus-logic modifications.
- Desired knowledge of Pedersen Commitments, homomorphic encryption properties, and zero-knowledge proofs such as Bulletproofs or Sigma protocols.
- Desired experience translating cryptographic academic papers or preprints into functioning code.
- Desired experience with MPC or Verifiable Secret Sharing schemes and familiarity with Ristretto255 or gnark-crypto.
- Background in FinTech, payment systems, or high-frequency trading platforms is desired.
- Understanding of Account Model and UTXO Model trade-offs in privacy-preserving ledgers is desired.
Benefits
- Hybrid work schedule.
- Health benefits, 401(k) plan, paid time off, disability benefits, life insurance, critical illness insurance, and accident insurance.
- Parental leave and critical caregiving leave.
- Discounts and savings, commuter benefits, tuition reimbursement, scholarships for dependent children, and adoption reimbursement.
- Relocation assistance is not available.
- Position locations are Columbus, Ohio, and Concord, California.
About Wells Fargo
Wells Fargo & Company (NYSE: WFC) is a diversified, community-based financial services company with approximately $1.9 trillion in assets. Wells Fargo’s vision is to satisfy our customers’ financial needs and help them succeed financially. Founded in 1852 and headquartered in San Francisco, Wells Fargo provides banking, investment and mortgage products and services, as well as consumer and commercial finance, through more than 7,300 locations, 12,000 ATMs, the internet (wellsfargo.com) and mobile banking, and has offices in over 40 countries and territories to support customers who conduct business in the global economy. With approximately 250,000 team members, Wells Fargo serves one in three households in the United States. Wells Fargo & Company was ranked No. 41 on Fortune’s 2022 rankings of America’s largest corporations. News, insights and perspectives from Wells Fargo are also available at Wells Fargo Stories. Relevant military experience is considered for veterans and transitioning service men and women. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other legally protected characteristic.© 2016 Wells Fargo Bank, N.A. All rights reserved. Member FDIC.