We are seeking a highly skilled Engineer to work on the FACTS platform, Nationwides solution for managing customer preferences and flags. As the Senior Engineer, you will work with a team of engineers in designing, building, and delivering new features using SQL, APIs, and CI/CD pipelines. In this role, you will collaborate closely with the leadership team and work effectively with both business and engineering teams across Nationwide, requiring strong stakeholder management and communication skills. 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 youll spend at least two days per week, or if part time youll spend 40% of your working time, based at either our Swindon or London office. 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. What you’ll be doing With your extensive experience and expertise as a Senior Engineer, you will be joining the FACTS team, reporting to the FACTS Lead Engineer in the Customer Servicing function. You will work in an Agile team of engineers, collaborating closely with engineers, business designers, delivery teams, and the product owner. Your contributions will be pivotal in ensuring the team continually delivers business value while optimising the flow of work. The FACTS team is a dynamic and agile group committed to delivering business value quickly, all while maintaining high standards of software quality, resilience, and security. As a Senior Engineer, you will be responsible for the design, engineering, and implementation on the FACTS platform, working with SQL Server, API (using .NET/Java), batch processes, and the deployment of automated CI/CD pipelines. You will take ownership of key decisions throughout the entire lifecycle of the platform. We expect you to bring a strong drive for learning and continuous improvement, introducing new ideas, technologies, and methodologies to enhance team performance. A crucial aspect of your role will be fostering the success and growth of the team by sharing knowledge, promoting lessons learned, and staying up to date with industry trends. About you Experience of the following is key for this role: Development: .NET 8.0, C# 12 for REST API development REST API Authentication/Auth: JWT and MTLS API Testing: XUnit for unit testing API Logging: Serilog for logging Containers: Docker for building containers Deployment: OpenShift cluster for deployment Database: MS SQL 2019 (ability to write complex queries, performance tuning, stored procedures, and deploy code via DACPAC) ETL: SSIS (ability to build and deploy code via ISPAC) DevOps: Jenkins, Harness, JFrog Monitoring: Dynatrace, configuration of BES alerting Scheduling: Control-M, cron job Cloud environment: AWS and OpenShift Jira and Confluence Agile ways of working Our Customer First behaviours are all about putting customers and members at the heart of how we work together. You can strengthen your application by showing the behaviours that resonate with you, and how you might have already demonstrated these. Say it straight - This is about being honest and direct with good intent and saying what needs to be said in the room. It’s also about being clear, precise, and using language that we and, importantly, our customers and members can understand. Push for better - This is about aiming high and constantly looking for better in how we work together and serve our customers and members. Get it done - This is about prioritising what will have the greatest impact, being decisive and taking accountability for delivering on the end-to-end outcome. We know applying for jobs can sometimes feel like you’re sending an application into a black hole. We review each application individually. So, it’s a good idea to call out your most relevant experience on your application to give yourself the best chance. The extras you’ll get There are all sorts of employee benefits available at Nationwide, including: A personal pension – if you put in 7% of your salary, we’ll top up by a further 16% Up to 2 days of paid volunteering a year Life assurance worth 8x your salary A great selection of additional benefits through our salary sacrifice scheme Wellhub – Access to a range of free and paid options for health and wellness. Access to an annual performance related bonus Access to training to help you develop and progress your career 25 days holiday, pro rata What makes us different Nationwide is the world’s largest building society. With over 15 million customers, we have a relationship with almost a quarter of the UK’s population. We’ve got the scale to compete with the big banks, but we’re not a bank. As a building society, we’re owned by our members – that’s our customers who have their current account, mortgage or savings with us. It means we can do things differently to deliver our Purpose – Banking – but fairer, more rewarding, and for the good of society. When you work at Nationwide, you can experience that difference for yourself. You’ll be part of a high-performing, purpose-driven organisation that offers rewarding career experiences and a highly competitive range of benefits to match. You’ll also be joining us at an important time as we seek to reach more and more people in the UK. We want everyone in the UK to know that they don’t have to bank with a bank. They can choose a modern mutual instead. What to do next If this role is for you, please click the ‘Apply Now’ button. You’ll need to attach your up-to-date CV and answer a few quick questions for us. We respond to everyone, so we will be in contact shortly after the closing date to let you know the outcome of your application.