Data Migration Lead

London (Hybrid)
£75,000 - £90,000 + benefits

We're partnering with a fast-growing fintech organisation building a modern, cloud-native banking platform used by financial institutions across the UK. Following continued client growth and major transformation programmes, they are looking to hire a senior data leader to own and drive data migration and broader data delivery initiatives across complex banking environments.

This is a high-impact, business-critical role sitting between data, product, and programme delivery. The successful candidate will act as the primary owner for all migration and data-related activity across client implementations, while also helping shape the wider data capability including reporting, governance, pipelines, and operational MI.

The environment is fast-paced, highly collaborative, and suited to someone who enjoys taking ownership, working directly with stakeholders, and leading from the front.

The Role

This role combines elements of:

Data Migration Leadership
Data Product Ownership
Client & Stakeholder Management
Data Delivery / Programme Leadership

You will lead end-to-end migration workstreams across banking transformation programmes, while also owning broader data responsibilities across warehousing, reporting, governance, and operational data capabilities.

The position requires someone commercially minded and highly communicative - not purely technical, and not purely project-management focused.

Key Responsibilities

Data Migration & Delivery

Own and lead end-to-end data migration initiatives across client programmes
Define migration strategy, governance, mapping standards, validation processes, and cutover plans
Oversee all migration phases including discovery, mapping, reconciliation, rehearsal, cutover, and post-go-live support
Ensure strong data quality, auditability, governance, and reporting throughout delivery
Manage migration risks, dependencies, RAID processes, and stakeholder escalation points

Data Product Ownership

Take ownership of broader data capabilities including:
- Data warehouse
- Data lake
- MI & reporting
- Power BI outputs
- Data pipelines
Help shape how data is structured, governed, surfaced, and consumed internally and externally
Work closely with engineering and product teams to define scalable data solutions
Explore opportunities to improve automation and efficiency across data processes and apply AI-aware thinking to all areas.

Stakeholder & Client Management

Act as the senior client-facing lead for all data-related discussions
Translate complex technical concepts into clear, business-friendly language
Build trusted relationships with both technical and non-technical stakeholders
Lead workshops, delivery discussions, and governance meetings

What They're Looking For

Essential Experience

Strong background within banking or financial services
Proven experience leading large-scale data migration initiatives
Experience operating in senior data leadership, data product, or programme ownership roles
Strong understanding of:
- Data mapping
- Transformation
- Validation
- Governance
- Reconciliation
- Reporting & MI
Experience working with cloud-based data environments and modern tooling

Soft Skills & Leadership

Excellent communication and stakeholder management skills
Comfortable leading clients and giving clear direction
Able to bridge the gap between technical teams and business stakeholders
Strong ownership mentality with the ability to operate autonomously
Confident working in fast-moving, ambiguous environments

Nice to Have

Exposure to Power BI and modern reporting ecosystems
Awareness of AI/ML concepts within data platforms
Experience working within fintech or digital banking environments

Team & Environment

Flexible hybrid working model at the London office
Occasional client travel for workshops or programme meetings

Package:

£75,000-£90,000 base salary
Annual bonus
Equity/share scheme
Strong pension contribution
Private medical cover
Electric vehicle scheme
Hybrid/flexible working environment

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Oscar Associates (UK) Limited

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