We are looking for an Ab Initio software engineer with experience operating at a senior level. This role will be hands-on, designing and implementing real-time data processing solutions, and will require excellent knowledge and practical experience across the Ab Initio suite and, in particular, Continuous Graphs. The successful candidate will have proven expertise in building scalable, high-performance ETL pipelines for applications within the financial sector and will have experience in delivering through their own technical contributions as well as via the management of other technical resources.
We are happy to consider flexible working approaches to help you perform at your best.
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 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.
ResponsibilitiesWhat you’ll be doing
In this role, you will be balancing internal and external stakeholder management, requirements analysis, solutions design, and hands-on development within the Ab Initio stack.
You’ll be taking business requirements, assessing priorities, distilling technical and functional requirements, liaising with testing teams to develop testing strategies and plans, reviewing code, and walking through your team’s solutions in various forums (e.g. architectural review boards). You’ll also be working with production support and performance engineering teams to understand and cater for non-functional requirements.
In addition to the above, you’ll also be looking after the career development of a small number of engineers and supporting them both technically and pastorally and will be owning and nurturing relationships with multiple teams across the engineering estate.
About you
For this role, you will have/be:
Knowledge of building and optimising ETL workflows for high-volume, low-latency data streams using Ab Initio Continuous Graphs
Expertise in Ab Initio GDE, Continuous Flows, Batch Graphs, EME, Conduct IT, and Control Center
A track record of the integration of Ab Initio with other enterprise systems such as Kafka and cloud platforms (EKS)
Experience in the integration of APIs with external systems using REST/JSON/XML
Participated in code reviews, unit testing, and deployment activities
Implemented robust error handling and recovery strategies
Experienced in the management of technical resources, providing guidance, support, and mentorship with the ability to orchestrate effective task delegation, progression, and quality control
A history of distilling business problems/opportunities into technical tasks by using a proactive approach to discovery and refinement of requirements
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 extras you’ll get
There are all sorts of employee benefits available at Nationwide, including:
30 days holiday, pro rata
Access to 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
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. 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.
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.


