Lead Engineer - .NET/Cloud - Customer Servicing

You will be accountable for leading the end-to-end delivery of the agreed roadmap that supports our Branch Teller strategy. You will be part of the Value Stream Triumvirate leadership team and work with the E5 Technology Lead providing leadership and support to our Engineering teams.

As a Lead Engineer you will ensure our systems and platforms are designed, developed and tested in a resilient and secure manner, aligned to strategy, ensuring we're applying good engineering practices and principals. This role will drive a culture of continuous improvement, with a focus on building technical capability (including people) across all disciplines. We have an important journey ahead of us to build and maintain our position in the market and respond to changing customer needs.

This role is within the Customer Servicing CIO (Chief Information Office) function. Branch Office System Software (BOSS) is Nationwide's Branch Teller System and as an application which has recently been transferred to Customer Servicing together with a roadmap of modernisation for the current BOSS application and an aspiration to build a new "Teller of the Future" application. This is a great opportunity for the right individual to lead the design and build of the new application from the ground up., Our customer first behaviours put customers and members at the heart of how we work together. They are the set of behaviours that every colleague needs to display, in every role:

• Feel what customers feel - We step into our customers' shoes, using their feedback and insights to empathise with them and to understand their needs, so that every decision we make starts and finishes with our customers in mind
• Say it straight - We are brave in speaking out and saying what we think - we're honest and direct with good intent, openly sharing diverse perspectives to reach the best conclusions and using language everyone can understand
• Push for better - We don't settle for mediocrity, we challenge the status quo, taking responsibility for continuous improvement and personal development
• Get it done - We prioritise what will have the greatest impact, we are decisive, and we take accountability for delivering brilliant customer outcomes.

You can strengthen your application by showing how our customer first behaviours resonate with you, and where you may have already demonstrated these., The hiring manager for this role is David Wilkins and the main resourcing contact is Andrew Ducker.

Do you have experience in React?, * Experience of managing and leading small technical teams, comfortable leading design discussions and technical decision-making

• Strong experience in C#, .NET (8+), .NET framework 4.8
• Experience of designing and deploying container based microservice applications
• Knowledge of modern front-end frameworks (React) would be beneficial.
• Good understanding of modern development practices, including clean architecture principles.
• Knowledge of Cloud platforms (AWS, Azure), Docker/Kubernetes (AKS/EKS), Github Source Control, CI/CD pipelines (GitHub Actions, Harness), Infrastructure as Code

• 30 days holiday, pro rata
• From January 2026, all Nationwide colleagues will benefit from private medical insurance
• A highly competitive pension to help you build a strong foundation for retirement
• Access to an annual performance related bonus
• Training and development to help you progress your career
• A great selection of additional benefits through our salary sacrifice scheme
• Life assurance to provide peace of mind for you and your loved ones in the event of your death.
• Wellhub - access to a range of free and paid options for health and wellness
• Up to 2 days of paid volunteering a year

At Nationwide we offer hybrid working wherever possible. More rewarding relationships are supported through our hybrid approach, bringing colleagues together across our UK wide estate, whilst also supporting generous access to home working. We value our time in the office to solve problems, to learn, and to feel connected. For this job you'll spend at least two days per week, or if part time you'll spend 40% of your working time, based at either our Swindon, London, Bournemouth or Northampton offices. If your application is successful, your hiring manager will provide further details on how this works. You can also find out more about our approach to hybrid working here. If we receive a high volume of relevant applications, we may close the advert earlier than the advertised date, so please apply as soon as you can., As a mutual, we're owned by our members - those customers who bank, save or have a mortgage with us. We challenge the financial sector status quo. We don't see customers as the engine of our own profit. We share our profits with them and put their needs first. Always there when they need us. Supporting them and their lives. If you're inspired by fairer finances, passionate about making a meaningful impact, and truly care about our customers, you're one of us. At Nationwide, you are challenged to grow and rewarded for doing so. Valued. Recognised. Inspired to be your best. As a community we want our working lives to count. As a team, we celebrate what we achieve. As a standard-setter, we work for the good of customers, communities, and broader society. We are purpose-driven. Uncompromisingly customer. Unstoppably Nationwide.