Senior Data Modeller
Company: EXL
Role summary
Senior Data Modeller is a role at EXL in London, England, United Kingdom (hybrid). Posted 2026-08-12. Experience level: 10+.
- Job title
- Senior Data Modeller
- Company
- EXL
- Location
- London, England, United Kingdom
- Work arrangement
- hybrid
- Category
- AI & Machine Learning
- Experience level
- 10+
- Date posted
- 2026-08-12
Job description
EXL (NASDAQ: EXLS) is a global data and artificial intelligence ("AI") company that offers services and solutions to reinvent client business models, drive better outcomes and unlock growth with speed. EXL harnesses the power of data, AI, and deep industry knowledge to transform businesses, including the world’s leading corporations in industries including insurance, healthcare, banking and financial services, media and retail, among others. EXL was founded in 1999 with the core values of innovation, collaboration, excellence, integrity and respect.
We are headquartered in New York and have more than 60,000 employees spanning six continents. For more information, visit www.exlservice.com .
Role: Lead Data Modeller
BU/Segment: Banking / Analytics
Location: London, United Kingdom (Hybrid working with 3 days a week in the office and travel to Halifax twice a month)
Employment Type: Umbrella Contract (Inside IR35) to start ASAP. We are also open to a Permanent position.
We are seeking an experienced Data Modelling Architect to design and govern enterprise-wide data models that support business intelligence, analytics, data warehousing, AI/ML, and operational applications. The ideal candidate will have strong expertise in conceptual, logical, and physical data modelling, data architecture, cloud data platforms, and data governance.
The role requires close collaboration with business stakeholders, data engineers, solution architects, analysts, and application teams to ensure scalable, high-quality, and reusable data designs across the organization.
As part of your duties, you will be responsible for:
Data Architecture & Modelling
Design and maintain Enterprise Data Models (EDM) aligned with business objectives.
Create Conceptual, Logical, and Physical Data Models for enterprise applications and analytics platforms.
Define data standards, naming conventions, and modelling best practices.
Develop dimensional models (Star Schema, Snowflake Schema) for reporting and analytics.
Design operational and transactional database models supporting business applications.
Establish master data, reference data, and canonical data models.
Data Governance & Quality
Ensure adherence to data governance policies and architectural standards.
Define metadata management, lineage, and data catalog requirements.
Collaborate with governance teams to implement data quality frameworks.
Assess and resolve data integrity, consistency, and duplication issues.
Cloud Data Platforms
Architect data models for platforms such as: Google BigQuery
Azure Synapse Analytics
Azure Data Lake
Snowflake
Databricks
AWS Redshift
Support modern Lakehouse and Data Warehouse architectures.
Stakeholder Collaboration
Translate business requirements into scalable data solutions.
Partner with Data Engineers and BI teams during solution design and implementation.
Conduct data architecture reviews and provide technical leadership.
Mentor data modelers and engineering teams.
Performance & Optimization
Optimize database structures for scalability and performance.
Design partitioning, indexing, and data retention strategies.
Recommend improvements to data architecture and data flow processes.
Qualifications and experience we consider to be essential for the role:
Data Modelling
ER Modelling
Dimensional Modelling
Data Vault 2.0
Normalization & Denormalization
Master Data Management (MDM)
Database Technologies
SQL Server
BigQuery
SAS ProcSQL
Oracle
PostgreSQL
Snowflake
Azure SQL Database
Tools
ERwin Data Modeler
ER/Studio
PowerDesigner
Visio
SQL Developer
Governance & Metadata
Data Lineage
Data Catalog
Data Quality Frameworks
Metadata Management
Bachelor's degree in Computer Science, Information Systems, Engineering, or related field.
Master's degree preferred.
Data Architecture or Cloud certifications are highly desirable.
Skills and Personal attributes we would like to have:
Preferred Certifications
Microsoft Certified: GCP
Microsoft Azure Solutions Architect Expert
Snowflake SnowPro Certification
Databricks Data Engineer Professional
Key Competencies
Enterprise Data Architecture
Stakeholder Management
Strategic Thinking
Problem Solving
Data Governance
Technical Leadership
Communication & Presentation Skills
Success Metrics (KPIs)
Reduction in data quality issues.
Compliance with enterprise data standards.
Reusability of enterprise data models.
Improvement in reporting and analytics performance.
Successful implementation of enterprise data architecture initiatives.
User adoption of governed data assets.