Senior Software Engineer

Nottingham Trent House (95002), United Kingdom, Nottingham, Nottinghamshire Senior Software Engineer About the role Are you an experienced and passionate software engineer looking to drive meaningful change? This could be the perfect role for you. Software Engineering is at the core of our UK business, powering innovation, driving technical excellence, and shaping the future of our digital capabilities.

As a Lead Software Engineer, you will play a pivotal role in designing, building, and optimizing high-impact technology solutions that support key business functions. Using advanced technical expertise, you will develop scalable, reliable, and well-architected software systems—making complex engineering challenges more accessible and actionable. What You'll Do On any given day, you'll work across problem-solving, solution generation, innovation, and system development.

Your responsibilities will include: Software Development & Optimization – Designing, developing, and maintaining robust, high-quality software solutions for critical business applications. Cross-Team Technical Leadership – Leading and orchestrating the efforts of multiple teams, ensuring alignment with overarching business goals and long-term technology strategy. Collaboration & Solution Architecture – Partnering with cross-functional teams to define system architecture, improve efficiency, and ensure best practices in software engineering.

Technical Leadership – Providing guidance on software development methodologies, coding standards, and architectural principles to drive engineering excellence. Infrastructure & Cloud Integration – Leveraging cloud platforms such as AWS to design scalable systems and optimize cloud-based workflows. CI/CD & Automation – Developing and maintaining One Pipeline solutions to enhance deployment speed and improve system reliability (preferred).

Exploring Emerging Technologies – Adapting to new technologies quickly, integrating innovative solutions, and continuously improving technical frameworks. System Performance & Security – Ensuring performance optimization, security compliance, and reliability across software systems. Strategic Technical Contributions & Ownership – Defining and driving the technical vision, influencing architectural decisions across the business.

Delivering high-impact technical guidance to solve complex engineering challenges, streamline operations, and accelerate business growth. Mentorship & Talent Development – Actively mentoring engineers and analysts, cultivating a culture of technical excellence, growth, and continuous learning. What We're Looking For System Design Expertise – Deep proficiency in designing scalable, distributed systems and architecting resilient software solutions.

Expertise in Software Engineering – Advanced proficiency in software development, system design, and architecture, with a deep understanding of engineering best practices. Technical Excellence – Advanced Python skills required, alongside strong coding abilities in additional programming languages (e.g. Java, C++).

Infrastructure & Cloud Skills – Strong hands-on experience with cloud platforms such as AWS, Azure, or GCP, as well as One Pipeline, CI/CD automation, and infrastructure engineering principles. Strategic Thinking & Stakeholder Engagement – Proven ability to communicate complex technical concepts to non-technical stakeholders and align engineering efforts with business priorities. Where and how you'll work This is a permanent position 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 Nottingham office 3 days a week on Tuesdays, Wednesdays and Thursdays. Many of our associates have flexible working arrangements, and we're open to talking about an arrangement that works for you.

What’s in it for you Bring us all this - and you’ll be well rewarded with a role contributing to the roadmap of an organisation committed to transformation 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 accessible facilities designed to inspire and support you. Our Nottingham head-office has a fully-serviced gym, subsidised restaurant, mindfulness and music rooms. In London, you can heighten your mood with a run on our rooftop running track or an espresso at the Workshop Coffee café 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 Capital One is committed to diversity in the workplace. If you require a reasonable adjustment, please contact ukrecruitment@capitalone.com 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 Careers@capitalone.com Capital One does not provide, endorse nor guarantee and is not liable for third-party products, services, educational tools or other information available through this site.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).