Job Summary
As an E3 Senior Java Engineer within our Business Integration Systems team you will serve as a key technical leader across our Banking domains. Leveraging your considerable expertise in service design and development you'll create and deliver robust solutions that will power our consumer-facing channels well into the future. You'll take end-to-end ownership of your platform domain – leading by example through design, development, deployment and continuous improvement. Collaborating closely with internal stakeholders, project managers, engineers and other technical leads you'll help align efforts and drive delivery. You should already be adept at leading multiple project deliveries, navigating complexity and thriving in collaborative environments but also play a mentorship role, sharing your knowledge with both in-house and partner teams. Your practical experience and strategic insight will help shape the capabilities of a high‑performing technology organisation. We'll empower you with the tools and flexibility to work your own way, ensure your voice is heard and support your personal growth both technically and commercially. Our clear and proven career pathways reflect our commitment to continuous development, challenging even our most skilled engineers to reach new heights.
Customer First Behaviours
* 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.
We are seeking an E3 Senior Java Engineer with a proven track record in service design and development within our integration middleware space. In this lead role you will contribute to enhancing our member experience by driving technical excellence and promoting best practices across our IT landscape.
Qualifications
* Deep expertise in designing and developing high‑performance, resilient, scalable, and secure middleware systems.
* Accomplished in Java (ideally with SpringBoot or a similar framework) with a solid foundation in object‑oriented programming.
* Substantial Kubernetes experience (Istio Service Mesh advantage) leveraging Infrastructure as Code (IaC) across hybrid cloud and on‑premises environments.
* Leadership experience with a proven ability to guide, inspire and empower development teams.
* Skilled at engaging stakeholders across functions and levels, using clear communication and strategic influence to foster alignment and deliver great results.
* Experience with CI/CD tooling such as Harness and Helm.
* Understanding of security concepts such as TLS, certificates, JWTs, OAuth and OIDC authentication protocols.
* Experience integrating systems across a wide range of technologies, including Microsoft, IBM, SAP, Unisys and cloud‑based services.
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.
You can strengthen your application by showing how our customer‑first behaviours resonate with you, and where you may have already demonstrated these.
Benefits
* 25 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 two days of paid volunteering a year.
About Nationwide
Banking – but fairer, more rewarding, and for the good of society. We forge our own path at Nationwide. 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. We are there whenever 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.
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