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Senior Principal Engineer – Blockchain & Digital Asset Security

TestingXperts

San Francisco · On-site Contract Senior 2mo ago

About the role

Minimum Qualifications

  • Bachelor’s degree in computer information systems, Information Technology, Information Systems, Computer Science, or equivalent professional experience
  • Minimum 15+ years of software engineering experience
  • Minimum 10+ years of leading efforts or processes in a Technology organization, with deep experience architecting or scaling payment systems, digital asset infrastructure, or blockchain-based settlement solutions in regulated environments
  • Minimum 5+ years of experience dealing with large scale systems
  • Minimum 5+ years of experience implementing application solutions/services in the Cloud using containerization, CI/CD, automated testing, and compliant security guidelines
  • Expertise with blockchain consensus mechanisms, settlement models, cryptographic primitives, and tokenization
  • Demonstrated experience with payment networks, FX, liquidity, and reconciliation systems
  • Experience with smart contract design, auditing, threat models, and security best practices
  • Experience building systems that meet ISO 20022, NACHA, MAS/TRM, PCI-DSS, or similar regulated frameworks
  • Demonstrated ability to provide technical leadership through large scale system designs, upgrades, and releases
  • Ability to resolve highly complex architectural debates and align diverse technical opinions
  • Superior leadership and management skills combined with strong business acumen
  • Proven ability to mentor and energize teams, showcasing technical and leadership skills
  • Experience with state-of-the-art technology, architecture, design concepts, open-source operating systems, database systems, computer networking, and security
  • Demonstrated ability to work effectively in cross-functional groups and generate results
  • Excellent interpersonal, oral, and written communication skills; conveys competence with internal customers, staff, peers, senior management, and vendors
  • Work experience demonstrating a strong sense of ownership, urgency, and drive

Essential Functions

  • Own the security architecture for Early Warning’s cross-border money movement solution, designing for scalability, security, and regulatory compliance
  • Design and implement key components, from wallet management and transaction orchestration to liquidity and settlement services
  • Lead the technical evaluation and integration of blockchain technologies, stablecoin protocols, and digital asset service providers
  • Influence the evolution of stablecoin and blockchain protocols by contributing technical thought leadership internally and externally
  • Represent Early Warning in industry collaborations, standards groups, and regulatory/technical working groups related to blockchain, digital identity, and stablecoin settlement frameworks
  • Continuously evaluate emerging protocols, digital asset custody models, and zero-knowledge technology for applicability to Early Warning’s roadmap
  • Collaborates closely with Engineering leaders, Architecture, Security, and external partners
  • Build and advocate for engineering best practices around smart contract security, transaction traceability, and system observability
  • Mentor and guide engineering teams, elevating technical standards and fostering a high-performance culture
  • Identify opportunities to ship value to production quickly and in incremental chunks
  • Builds and deliver well considered scaling solutions via strong relationships with key cross-functional stakeholders across the organization
  • Partner with Product, Risk, Architecture, and Security teams to ensure end-to-end compliance (AML, KYC, OFAC, etc.) and operational integrity
  • Defines technical patterns, governance, and operating models
  • Serve as the final escalation point for complex technical decisions
  • Prototype new settlement paths, wallet models, and interoperability mechanisms
  • Rapidly test and validate hypotheses with proof of concepts and performance benchmarks
  • Performs other related duties as assigned

Skills

AWS LambdaCI/CDCloudContainerizationDockerKubernetesMicroservicesOpen-sourcePostgreSQLReactSQL

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