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Colossus Recruitment Ltd

Data Integration Architect

Posted Updated
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Salary: £72,000 - 85,000 per year

Requirements:
  • At least 5 years of experience in data and systems engineering, including related architecture work
  • Proven experience reverse-engineering existing and legacy systems
  • Strong hands-on SQL and relational database expertise
  • Experience investigating stored procedures, APIs, interfaces, system integrations, and application code
  • Ability to read and interpret code to understand data processing and business logic
  • Experience mapping complex end-to-end data flows
  • Strong understanding of systems of record, dependencies, and business rules
  • Proven experience designing systems and data architectures, conceptual and logical data models, integrations, and interfaces
  • Experience producing technical designs successfully delivered by development teams
  • Ability to make and own architecture decisions independently
  • Analytical, inquisitive, and strong problem-solving skills
  • Comfortable working with ambiguity and incomplete information
  • Excellent communication and stakeholder management abilities
  • Pragmatic and solutions-focused, with the ability to balance technical excellence and business needs
Responsibilities:
  • Reverse-engineer existing and legacy systems to establish how they function
  • Investigate databases, SQL queries, stored procedures, APIs, integrations, and application code
  • Identify how data is created, validated, transformed, stored, and transferred
  • Uncover undocumented business rules, dependencies, and system behaviours
  • Trace data throughout its lifecycle and identify systems of record, ownership, and duplication
  • Understand relationships between applications, integrations, and data sources, and document dependencies and technical risks
  • Create future-state systems and data architectures, including conceptual and logical data models
  • Design practical integration strategies and interfaces that support business objectives and scalability
  • Translate architectural vision into technical designs, defining data structures, interfaces, and integration requirements
  • Resolve ambiguity, answer technical questions during delivery, and review implementations for alignment with architectural intent
  • Work with business process and software development teams to translate operational requirements into technical solutions
  • Explain complex technical concepts, evaluate options, and communicate trade-offs to non-technical stakeholders
  • Support implementation and testing, validate design assumptions, and refine solutions as needed
  • Maintain clear, accurate architectural documentation and diagrams
Technologies:
  • Architect
  • Support
  • SQL
  • API

More:

We are seeking a Data Integration Architect to take ownership of how data and systems interact across a growing, evolving organisation. This influential role combines investigative analysis with future-state design and offers the opportunity to make a visible impact. We offer a high-performance, fast-paced environment focused on growth, innovation, and continuous improvement, with a collaborative culture that values expertise, accountability, problem-solving, and ongoing learning. Benefits include private medical insurance, enhanced pension contributions, enhanced family-friendly leave and pay, income protection, life assurance, and professional development opportunities. The role offers hybrid working, a modern office, and a dog-friendly workplace. All roles are UK-based.

last updated 41 week of 2026

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