Senior Software Development Engineer - Data

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* Job Title:

Senior Software Development Engineer - Data*
* *
* Location:

Nottingham - Hybrid*
* ** Working Pattern: 3 days in-office (Tuesday-Thursday) and 2 days remote.*
* ** Our Mission
** We’re on a mission to be a force for good in lending. Throughout our almost 30-year history, we’ve consistently been recognised as a great place to work; in 2026, Capital One was officially ranked 9th in the UK’s Best Workplaces TM list.
** Hear from our team
** about what it’s like working at Capital One UK.  
** About the Role
** This role will play a crucial part in our goal 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 Data team own 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 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 Software 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.  
** The skills and experience you need*
* * 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, .Net
* Demonstrable knowledge of creating architectural designs that meet the business need.
* Experienced in Cloud/AWS technologies
* You have experience of leading and delivering complex projects with precision  
** Where and how you'll work
** This is a permanent position based in our
** Nottingham office**. We embrace a hybrid approach to work. You'll spend three days a week in the office (Tuesday-Thursday), with Monday and Friday being dedicated work-from-home days.  Our offices are designed to inspire and support you. At our Nottingham head office, you'll find an on-site gym, restaurant and dedicated Learning Loft. Our London office boasts a rooftop running track and coffee bar.

** What’s in it for you
** We invest in the growth of our people alongside our business. You will have extensive opportunities to learn and develop your career, including access to up to £5,000 in funding for external qualifications.  In addition to career development, our comprehensive benefits package is designed to grow with you, ensuring your wellbeing is prioritised at every stage of your career:
* ** Wealth & Future:
** Competitive pension…