Principal Solutions Architect (Blockchain & Web3)

DTCC London, England Posted jan 14, 2026

Contract
Hybrid
Senior

Job description

The Principal Solutions Architect (Blockchain & Web3) position in Computer Science, Software Engineering centres on security & Compliance: Ensure adherence to industry standards (ISO 20022, PCI DSS, GDPR, AML/KYC) and best practices for cryptography, data privacy, and key management. It would suit someone who can bring technical Leadership: Collaborate with development teams to ensure architectural consistency, performance, and security across blockchain-based applications to the role.

Where the work sits

DTCC offers a flexible/hybrid model of 3 days Onsite and 2 days remote (Onsite Tuesdays, Wednesdays and a third day unique to each team or employee). You will be responsible in designing, assessing, and building Web3 solutions for internal and external stakeholders.

How the role works day to day

Security & Compliance: Ensure adherence to industry standards (ISO 20022, PCI DSS, GDPR, AML/KYC) and best practices for cryptography, data privacy, and key management. Technology Strategy: Define blockchain adoption strategies aligned with organizational goals, compliance standards, and market trends. Solution Design & Integration: Develop solution blueprints integrating blockchain with existing banking systems, APIs, cloud services, and fintech platforms.

What helps in this setting

Technical Leadership: Collaborate with development teams to ensure architectural consistency, performance, and security across blockchain-based applications. Strong professional approach.

Practical details

  • This role is critical in providing thought leadership and technical expertise of Blockchains and Web3 technologies across many DTCC functions and businesses.
  • Paid Time Off and Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.
  • Competitive compensation, including base pay and annual incentive.
  • Comprehensive health and life insurance and well-being benefits.

What needs to be in place

  • Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Systems, or a related field.
  • Minimum of 7+ years in software architecture or solution design, with at least 3 years focused on blockchain or distributed ledger technologies.
  • Experience with cloud-native architectures (AWS, Azure, GCP) and microservices design.
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