Retail Core Banking Solution Architect - Payments/Mortgage

Posted 05 May 2026
LocationMilton Keynes
Job type Contract
Discipline TechnologyCommodities and Financial Services

Job description

​The Role: Retail Core Banking Solution Architect

Location: Milton Keynes, UK

Position Type: Contract Inside IR35

Remote work option Available: Hybrid (2-3 Days onsite in a week)

Job Description:

Required Skills: Payments, Cards, Mortgage and Lending

Essential Skills

  • Solution Architecture and Design Significant experience as a Solution Architect, ideally within complex financial services environments

  • Domain knowledge in Retail Banking products e.g. - Unsecured loans Personal Accounts – banking & savings and Bonds (fixed term deposits)

  • Business Segmentation – Retail, business banking, private

  • Onboarding processes for Personal account

  • Core Banking products (customers, accounts, pricing, transactions, etc) and related services essential to the operations of a bank Domain driven design, with working knowledge of the BIAN framework, TOGAF, ArchiMate

  • Proven experience in defining & documenting As-Is & Target Architecture, working with stakeholders to help define & deliver strategic objectives & roadmaps, being embedded into the functional domain, balancing business requirements with functional & technical.

Strategy Experience

  • Defining and evolving RESTful APIs following best practices for scalability, versioning and documentation

  • Experience with event-driven architectures

  • Ability to produce clear functional architecture, design logical components and define interactions between systems, whilst delivering decommissioning and archival initiatives

  • Experience balancing business outcomes with long term architecture strategies

  • Experience in working with engineering teams to align technical designs with the published architecture.

  • Peer review designs produced by other team members, ensuring architectural integrity and compliance with standards.

  • Experience in creating practical, workable architectures that can be aligned to IT principles/standards, whilst following the bank’s architecture governance processes.

If this position is of interest to you, apply now!