Principal Software Engineer developing secure crypto platform for Fidelity Digital Assets while mentoring fellow engineers. Collaborating with technical leaders and adopting modern software development practices.
About the role
- Lead Protocol Engineer architecting blockchain applications at Wells Fargo. Focused on compliance and cryptographic solutions for institutional finance while challenging privacy issues.
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 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
- 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
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