Lead Specialty Software Engineer (Protocol Engineer)

Req ID:378015NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now.We are currently seeking a Lead Specialty Software Engineer (Protocol Engineer) to join our team in Iselin, New Jersey (US-NJ), United States (US).Wells Fargo is seeking a Lead Specialty Software Engineer (Protocol Engineer) to contribute to a next-generation Digital Asset Platform designed to solve the most critical challenge in institutional finance: achieving strict regulatory compliance without compromising transaction confidentiality. As a Lead Protocol Engineer, you will be responsible for architecting the core settlement engine. You will work at the intersection of distributed systems and applied cryptography, translating complex mathematical proofs into high-performance, production-grade Go code.ResponsibilitiesCore Protocol Development: Architect and build a custom blockchain application using Go, Cosmos SDK, and CometBFT (Tendermint)Cryptographic Implementation: Implement and optimize privacy-preserving primitives, specifically Pedersen Commitments and Bulletproofs (Range Proofs), ensuring no trusted setup is requiredConsensus Customization: Engineer custom ABCI++ extensions (specifically PrepareProposal and Vote Extensions) to implement an on-chain Multi-Party Computation (MPC) mixing networkState Machine Design: Design a custom KVStore state machine that manages homomorphic encrypted balances (Elliptic Curve points) instead of plaintext integersPerformance Engineering: Optimize cryptographic operations (scalar multiplication, point addition) for low latency and high throughput in a distributed environmentAuditing Infrastructure: Build secure off-chain query layers and "view key" mechanisms that allow for granular, permissioned regulatory auditingRequired Qualifications:5+ years of Specialty Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, education3+ 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 withBFT consensus algorithms, P2P networking, and state replication; reliable, distributed systems experienceDesired Qualifications:Blockchain Core: Deep experience with Cosmos SDK and CometBFT. Comfort building custom modules and modifying consensus logic, not just deploying smart contractsPedersen Commitments (Homomorphic encryption properties)Zero-Knowledge Proofs (specifically Bulletproofs or Sigma protocols)Math-to-Code: Demonstrated ability to read academic whitepapers/preprints and translate mathematical specifications into functioning codeExperience with MPC (Multi-Party Computation) or Verifiable Secret Sharing (VSS) schemesFamiliarity with the Ristretto255 curve or libraries like gnark-cryptoBackground in FinTech, payment systems, or high-frequency trading platformsUnderstanding of the Account Model vs. UTXO Model trade-offs in privacy-preserving ledgersLocations:194 Wood Ave S, Iselin, New Jersey3075 Loyalty Circle, Columbus, Ohio1755 Grant Street, Concord, CaliforniaAbout NTT DATANTT DATA is a $30 billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world's leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services. our consulting and Industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is a part of NTT Group, which invests over $3 billion each year in R&D.Whenever possible, we hire locally to NTT DATA offices or client sites. This ensures we can provide timely and effective support tailored to each client’s needs. While many positions offer remote or hybrid work options, these arrangements are subject to change based on client requirements. For employees near an NTT DATA office or client site, in-office attendance may be required for meetings or events, depending on business needs. At NTT DATA, we are committed to staying flexible and meeting the evolving needs of both our clients and employees. NTT DATA recruiters will never ask for payment or banking information and will only use @nttdata.com, @nttdatafed.com and @talent.nttdataservices.com email addresses. If you are requested to provide payment or disclose banking information, please submit a contact us form, .NTT DATA endeavors to make accessible to any and all users. If you would like to contact us regarding the accessibility of our website or need assistance completing the application process, please contact us at . This contact information is for accommodation requests only and cannot be used to inquire about the status of applications. NTT DATA is an equal opportunity employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status. For our EEO Policy Statement, please click here. If you'd like more information on your EEO rights under the law, please click here. For Pay Transparency information, please click here.Posting Date:06/23/2026Department:CONS: FS Solution Delivery - 1037810015