Principal Data Architect

ABOUT US:

LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable businesses and economies around the world to fund innovation, manage risk and create jobs.

It’s how we’ve contributed to supporting the financial stability and growth of communities and economies globally for more than 300 years. Through a comprehensive suite of trusted financial market infrastructure services – and our open-access model – we provide the flexibility, stability and trust that enable our customers to pursue their ambitions with confidence and clarity.

LSEG is headquartered in the United Kingdom, with significant operations in 70 countries across EMEA, North America, Latin America and Asia Pacific. We employ 25,000 people globally, more than half located in Asia Pacific. LSEG’s ticker symbol is LSEG.

People are at the heart of what we do and drive the success of our business. Our culture of connecting, creating opportunity and delivering excellence shape how we think, how we do things and how we help our people fulfil their potential. We embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference.

Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision is to build an inclusive culture in which everyone feels encouraged to fulfil their potential.

We know that real personal growth cannot be achieved by simply climbing a career ladder – which is why we encourage and enable a wealth of avenues and interesting opportunities for everyone to broaden and deepen their skills and expertise. As a global organisation spanning 70 countries and one rooted in a culture of growth, opportunity, diversity and innovation, LSEG is a place where everyone can grow, develop and fulfil your potential with meaningful careers.

Own the end-to-end data architecture for the Active Data Layer (ADL) programme across LSEG Risk Intelligence Engineering. Define and evolve the data flows, data models, integration patterns, and data assurance architecture that underpin World-Check’s full data lifecycle, from acquisition, through curation, to distribution.

Drive the data assurance strategy, embedding architectural foundations for data quality, lineage, and governance into ADL from the ground up. Partner with the AI Practice Lead to ensure data architecture enables safe, scalable adoption of AI and agentic capabilities. This is a senior IC role leading through influence and deep technical expertise.

Data Architecture & Data Flows

• Own the end-to-end data architecture for ADL: target-state designs, canonical data models, data flow patterns, and platform standards across World-Check’s full data lifecycle.
• Architect data flows between legacy systems, the new curation platform, and customer-facing distribution channels, ensuring traceability, consistency, and completeness.
• Design the data migration architecture from legacy to the new platform, ensuring data preservation, field mapping correctness, and schema integrity.
• Define event-driven data flow patterns for real-time propagation, including event schemas, ordering guarantees, and idempotency.
• Evaluate and recommend data technologies (event streaming, graph databases, data lakes, lake houses) appropriate to ADL requirements.

Data Assurance & Quality

• Drive the data assurance strategy within ADL, translating preventive, detective, and corrective control frameworks into architectural components.
• Design data lineage and provenance infrastructure enabling end-to-end traceability from source through curation to publication.
• Architect data contract and schema governance across pipeline boundaries, structurally enforcing schema conformity and API contract compliance.
• Define the…