Blockchain Engineer - Software Engineering
Marks & Spencer Group plc1 day ago
Menlo Park, CA, USA or New York, NY, USAStaff+
Base Salary
$120k - $215k/yr
Responsibilities
- Lead and mentor a cross-functional engineering team building secure, scalable, and resilient digital asset custody capabilities.
- Define the roadmap for custody, wallet and key management, blockchain connectivity, transaction processing, and platform services.
- Lead the architecture and implementation of custody solutions with security, key protection, transaction integrity, access controls, auditability, and resilience.
- Design integrations with custody and wallet providers, blockchain networks, node infrastructure, and enterprise platforms.
- Establish transaction lifecycle patterns covering creation, policy validation, authorization, signing, submission, confirmation, and reconciliation.
- Partner with cybersecurity, risk, compliance, legal, operations, and product teams to translate requirements into technical solutions.
- Own production readiness, reliability, monitoring, observability, incident management, disaster recovery, business continuity, and secure release management.
- Implement secure coding, automated testing, threat modeling, vulnerability management, code review, security testing, and production controls.
Requirements
- 7+ years of relevant technology experience.
- 3+ years of hands-on experience with digital assets, blockchain, tokenization, or distributed-ledger technologies, preferably delivering production solutions.
- Bachelor’s or master’s degree in Computer Science, Engineering, Information Systems, or a related discipline.
- Strong experience with cloud-native architecture and infrastructure, preferably AWS, along with CI/CD, DevSecOps, containerization, infrastructure-as-code, and platform engineering practices.
- Strong understanding of distributed ledgers, consensus mechanisms, smart contracts, cryptography, transaction lifecycles, and on-chain/off-chain integration.
- Experience integrating institutional custody and wallet infrastructure, key management, secure transaction signing, custody providers, and wallet orchestration.
- Understanding of tokenization, smart contract platforms, ERC-20, ERC-721, permissioned and security-token patterns, and enterprise integration.
- Understanding of institutional custody and settlement workflows, including tokenized assets, Delivery versus Payment, and on-chain/off-chain settlement.
- Familiarity with node/RPC infrastructure, blockchain connectivity, stablecoins, and third-party digital asset service providers.
Benefits
- Comprehensive employee benefits and perks for employees and their families.
- Opportunities for career mobility across the business.
- Inclusive and collaborative work environment with support for employees throughout their work-life journey.
About Marks & Spencer Group plc
Marks & Spencer Group plc is a British retailer selling clothing, home goods, and food to consumers through stores and ecommerce, with a focus on own-brand products. The company is listed on the London Stock Exchange, was founded in 1884, and is headquartered in London. In the UK, its online grocery offering runs via Ocado Retail, a joint venture in which M&S holds a significant stake.