Principal Solutions Architect (Blockchain & Web3) in London

Are you ready to make an impact at DTCC? Do you want to work on innovative projects, collaborate with a dynamic and supportive team, and receive investment in your professional development? At DTCC, we are at the forefront of innovation in the financial markets. We are committed to helping our employees grow and succeed. We believe that you have the skills and drive to make a real impact. We foster a thriving internal community and are committed to creating a workplace that looks like the world that we serve.

The Information Technology group delivers secure, reliable technology solutions that enable DTCC to be the trusted infrastructure of the global capital markets. The team delivers high-quality information through activities that include development of essential building infrastructure capabilities to meet client needs and implementing data standards and governance.

Pay and Benefits:

• Competitive compensation, including base pay and annual incentive
• Comprehensive health and life insurance and well-being benefits
• Pension
• Paid Time Off and Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.
• 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).

The Impact you will have in this role:

This role is critical in providing thought leadership and technical expertise of Blockchains and Web3 technologies across many DTCC functions and businesses. You will be responsible for designing, assessing, and building Web3 solutions for internal and external stakeholders. We are building the new evolution of the financial infrastructure globally and you will be in the centre of it.

Your Primary Responsibilities:

• Architect Blockchain Solutions: Design end-to-end blockchain architectures for applications in digital assets, payments, settlement, identity, and smart contracts.
• 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.
• Technical Leadership: Collaborate with development teams to ensure architectural consistency, performance, and security across blockchain-based applications.
• Stakeholder Collaboration: Work closely with business leaders, compliance teams, and external partners to translate functional requirements into robust technical designs.
• Security & Compliance: Ensure adherence to industry standards (ISO 20022, PCI DSS, GDPR, AML/KYC) and best practices for cryptography, data privacy, and key management.
• Proof-of-Concept Development: Lead prototype initiatives to evaluate new blockchain frameworks, consensus mechanisms, and interoperability protocols.
• Documentation & Governance: Maintain architectural documentation, design patterns, and reference architectures for blockchain implementations.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, Information Systems, or a related field.

Talents Needed for Success:

• Minimum of 7+ years in software architecture or solution design, with at least 3 years focused on blockchain or distributed ledger technologies.
• Proven track record in financial services, banking, payments, or capital markets.
• Hands-on experience with platforms such as Ethereum, Hyperledger Fabric, Corda, or Polygon.
• Strong understanding of blockchain fundamentals: consensus algorithms, smart contracts, cryptography, and tokenization.
• Experience with cloud-native architectures (AWS, Azure, GCP) and microservices design.
• Proficiency in API design, integration frameworks, and DevOps practices.
• Knowledge of DeFi, CBDC, stablecoins, and digital asset custody is a plus.
• Excellent communication and stakeholder management skills.
• Strong problem-solving abilities and analytical mindset.
• Ability to bridge business and technical perspectives effectively.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.