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Digital Senior Full Stack Engineer

United Kingdom, Leeds · Job Posted July 03, 2026
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Job Description

We've been helping our members save for their future and buy their own home since 1875. Join us and you'll play a big role in helping us to put home ownership within reach of more people, generation after generation. It's a purpose that drives everything we do. And you can play your part too – we are looking for an experienced engineer who loves building brilliant digital services from end to end to join our Digital team as a Senior Full Stack Engineer.

Job Responsibility

  • Take technical ownership of customer-facing solutions, working across React/TypeScript and .NET/C# to design, build, test and run reliable, secure and scalable services
  • Lead complex technical delivery, champion modern engineering practices and help shape high-quality solutions through clean architecture, automation, CI/CD, observability and secure-by-default development
  • Coach and mentor other engineers, raise standards across the squad and define ways of working

Requirements

  • Deep expertise across React/TypeScript and .NET/C# with demonstrable architectural leadership
  • Significant experience in Software Development including accessibility
  • Expert in relevant strategic skills and tooling
  • proficient across the stack (front-end, APIs, back-end, data, cloud)
  • Experience using source control systems (e.g., Git, Bitbucket)
  • Strong experience building quality solutions using formal testing approaches including TDD, automated unit/integration testing, contract testing, structured manual testing where appropriate, automated system/UI testing, and performance testing
  • CI/CD craftsmanship (Azure DevOps/GitHub Actions or similar) with quality gates and environment parity
  • Proven record designing scalable, resilient systems
  • API design/versioning
  • clean architecture and DDD experience
  • Track record mentoring engineers and leading code/design reviews
  • uplifting test automation and quality gates
  • Ability to influence stakeholders across Product, Architecture, InfoSec, Risk and Operations
  • governance experience
  • Observability experience: metrics, logs, traces
  • operational ownership of services
  • Experience of supporting UI/UX Design would be beneficial

Nice to have

Experience of supporting UI/UX Design would be beneficial

What we offer

  • Hybrid working – 2 days per week in the office
  • Annual bonus of up to 12%
  • Matched pension contributions up to 10%
  • 26 days holiday, plus bank holidays and holiday purchase scheme
  • Colleague Mortgage and Saver products
  • 2 days' volunteering per year

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