Senior Data Architect

Allegis Group; Greater London; Hybrid; GBP 80,000 - 130,000; Full time

Job summary

Allegis Group is seeking a Data Architect for a long-term contract in the UK. Based in London, Brighton or Burgess Hill, the role focuses on data architecture across enterprise and domain modelling, governance and integration patterns. You will guide delivery teams and ensure scalable, well-governed data solutions.

The role emphasises domain modelling, architecture governance, and collaboration with architecture, business and engineering teams to deliver resilient data systems.

Qualifications

• Strong enterprise and domain data-modelling fundamentals.
• Domain-driven design and CQRS knowledge.
• OLTP and transactional-system experience.
• Conceptual, logical and physical modelling experience.
• Strong stakeholder communication and presentation skills.

Responsibilities

• Translate business and technical requirements into data architecture designs.
• Produce domain, conceptual, logical and physical data models.
• Design scalable solutions for transactional and enterprise systems.
• Define data integration patterns and architecture standards.
• Contribute to data strategy and architecture-governance reviews.
• Produce clear architecture documentation, presentations and technical artefacts.
• Assess technology options and clearly explain recommendations and trade-offs.
• Support modernisation, migration and transformation initiatives.
• Work with developers and engineering teams to implement the agreed architecture.
• Include performance, resilience, scalability and disaster-recovery considerations within designs.

Skills

Data modelling

Domain-driven design

CQRS

OLTP experience

Modelling (conceptual/logical/physical

Stakeholder communication

Cross-team collaboration

Data governance

Agile delivery

AI in architecture

Job description

Leading payments company looking for a Data Architect to join the team on a long-term contract basis. You will work across business, architecture and engineering teams to understand requirements and design scalable, practical and well-governed data solutions.

This role will focus on architecture, enterprise and domain modelling, documentation, governance, integration patterns and guiding delivery teams.

Key responsibilities

• Translate business and technical requirements into data architecture designs
• Produce domain, conceptual, logical and physical data models
• Design scalable solutions for transactional and enterprise systems
• Define data integration patterns and architecture standards
• Contribute to data strategy and architecture-governance reviews
• Produce clear architecture documentation, presentations and technical artefacts
• Assess technology options and clearly explain recommendations and trade-offs
• Support modernisation, migration and transformation initiatives
• Work with developers and engineering teams to implement the agreed architecture
• Include performance, resilience, scalability and disaster-recovery considerations within designs

Priority profile

• Strong enterprise and domain data-modelling fundamentals
• Domain-driven design and CQRS knowledge
• OLTP and transactional-system experience
• Conceptual, logical and physical modelling experience
• Strong stakeholder communication and presentation skills
• Ability to work across several teams and complex systems
• Good understanding of enterprise integration and data governance
• Experience moving from waterfall towards Agile and iterative delivery
• Nice to have - Oracle, PostgreSQL, Cassandra or YugabyteDB experience
• Awareness of how AI is changing architecture, governance and delivery

*Based in London, Brighton or Burgess Hill - 3 days in office per week*