Senior Software Development Engineer - Data Engineering

Hybrid - Nottingham, England, United Kingdom

Feb 10, 2026

About this role

It’s an exciting time at Capital One UK.

We’re on a mission to continue to build and modernise the cloud-based data ecosystem to unlock the power of data, increase financial inclusion and deliver transformative experiences to our customers.

The Win with Data team owns the services that form our Data Ecosystem, creating and maintaining API’s, backed by Java and Python microservices to manage and unleash the value of data across the full data lifecycle. From capturing data in real time, making sure it is accurate & easy to use, to enabling analysis for deep insight backed by the power of Cloud based data-stores & scalable machine learning, the Capital One Win with Data team is leading the way.

We are seeking a Software Development Engineer to join us on our mission, where you’ll use a number of different languages (such as Java, Python, React/Typescript), to build both front and backend solutions, solving complex problems as we continue to build our next generation data ecosystem, to help our customers.

What you’ll do

• You’ll work as part of a self-organised Data engineering team to design and develop software features that are impactful for the lives of credit card consumers across all walks of life


• Your focus will be on a major portion of existing or new team software (e.g. significant component, set of features, mid-size application or service).


• You’ll work to achieve the goals and vision shared by Product Management and your Outcome Team Leadership.


• You will drive engineering best practices (e.g. Operational Excellence, Security, Quality, etc.) and set standards across your team and wider engineering teams.


• You will innovate within your team, initiative area and contribute within your technical domain.

What we’re looking for

• Experience performing as a Technical lead within a team, working with stakeholders to deliver great outcomes at pace, whilst influencing across wider Engineering teams, to encourage best practice and coaching of more junior engineers.


• Strong programming skills with a good working knowledge of modern OO languages/technologies such as Java, Python, React/Typescript.


• Demonstrable knowledge of creating architectural designs that meet the business need.


• You’re able to effectively communicate and work together across engineering to maximise inner-sourcing opportunities and reduce waste.


• You’ll have demonstrated experience delivering high quality applications at scale.


• Experience of writing multiple test types and can support the team leveraging approaches such as Pair Programming, TDD and BDD.


• You have experience of leading and delivering complex projects with precision

Experience in any of the following would be great however we aim to help you develop in these areas too:

• Working with the cloud/AWS and the opportunities that it brings.


• Being comfortable working in a complex regulated environment.

Where and how you'll work

This is a permanent position and is based in our Nottingham office.

We have a hybrid working model which gives you flexibility to work from our offices and from home.

We’re big on collaboration and connection, so you’ll be based in our office 3 days a week on Tuesdays, Wednesdays and Thursdays.

What’s in it for you

• Bring us all this and you’ll be rewarded with a role contributing to the product roadmap for an organisation committed to transformation


• We’re continuing our journey into the public cloud and have problems of scale, security, availability and performance for you to help solve


• We offer high performers strong and diverse career progression, investing heavily in developing great people through our Capital One University training programmes (and appropriate external providers)


• Immediate access to our core benefits including pension scheme, bonus, generous holiday entitlement and private medical insurance – with flexible benefits available including season-ticket loans, cycle to work scheme and enhanced parental leave


• Open-plan workspaces and facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant and dedicated development resources.

What you should know about how we recruit

We pride ourselves on hiring the best people, not the same people. Building diverse and inclusive teams is the right thing to do and the smart thing to do. We want to work with top talent: whoever you are, whatever you look like, wherever you come from. We know it’s about what you do, not just what you say. That’s why we make our recruitment process fair and accessible. And we offer

benefits that attract people at all ages and stages.

We also partner with organisations including the Women in Finance and Race At Work Charters, Stonewall and upReach to find people from every walk of life and help them thrive with us. We have a whole host of internal networks and support groups you could be involved in, to name a few:

• REACH – Race Equality and Culture Heritage group focuses on representation, retention and engagement for associates from minority ethnic groups and allies


• OutFront – to provide LGBTQ+ support for all associates


• Mind Your Mind – signposting support and promoting positive mental wellbeing for all


• Women in Tech – promoting an inclusive environment in tech


• EmpowHER - network of female associates and allies focusing on developing future leaders, particularly for female talent in our industry


• Enabled - focused on supporting associates with disabilities and neurodiversity.

Capital One is committed to diversity in the workplace.

If you require a reasonable adjustment, please contact All information will be kept confidential and will only be used for the purpose of applying a reasonable adjustment.

For technical support or questions about Capital One's recruiting process, please send an email to