Senior Software Development Engineer - Velocity Black UK (LONDON)

Capital One UK
London
White Collar Factory (95009), United Kingdom, London, London

Senior Software Development Engineer - Velocity Black UK

Velocity Black by Capital One harnesses the power of artificial intelligence, the warmth of human experts and the convenience of the latest interfaces to help high-performance people actualize the full potential of their lives. It's concierge, reimagined for the digital age.

By harnessing 24/7 chat, AI, and mobile payments, we help our customers do more and be more in the digital age. From access to the hottest restaurants to guaranteed upgrades at the world’s finest resorts. Make a custom request through the app and you will be chatting to our team within 1 minute, 24/7/365.

What unites us are the values we share: the relentless pursuit and celebration of excellence, actualising the full potential of our lives, and impacting the world in a positive way.

We are looking for talented software engineers to join our global Velocity Black by Capital One engineering team, with the opportunity to specialise in frontend, backend or work in a full stack capacity. As a Senior Software Development Engineer, you’ll have the opportunity to be on the forefront of driving a major transformation with the marrying of these two innovative companies. Joining a startup deeply invested in technology with Capital One’s entrepreneurial spirit and customer-first, tech-led culture, creates an environment where engineers can continue to disrupt the status quo to develop best-in-class customer experiences for the digital age.

Y ou will work in a small but passionate team, and have a great deal of autonomy. You should be self-driven, willing to take ownership, ask the right questions and seek knowledge when necessary. If you think innovatively, and like to embrace bleeding edge technology, with a pragmatic approach, you will enjoy working here.

The service we offer and build upon is unlike anything ever built before, and our product is rapidly evolving. Velocity Black is our core product, built in React Native and offering exclusive access and unbeatable word-wide service across Travel, Experiences, Luxury Goods and Dining. Our internal and bespoke request management platform, Gravity, is built with React and Node.js micro services, virtually augmenting our expert customer service agents with AI, delivering the unrivalled personal service our members expect and love.

Explore our tech stack:

What you’ll do

  • Deliver end to end functionality from ideation to delivery focused on the functionality surrounding the ability to make a request and message back and forth while helping to define and adopt best practices

  • Work in a fast-paced, collaborative technical environment

  • Utilise programming languages and tools like React Native, React, Node.js, JavaScript, TypeScript, micro services, AI, ML, open source frameworks, DevOps, large data sets, and more

  • Perform software development leveraging a test-driven development pattern

  • Collaborate with digital product managers, and deliver robust cloud-based solutions that drive powerful experiences to help high-performance people actualize the full potential of their lives

  • Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies

  • Share your passion for staying on top of tech trends, experimenting with and learning new technologies, participating in internal & external technology communities, mentoring other members of the engineering community

What we’re looking for

  • Experience with influencing technical decisions with a tech team in an agile environment

  • Proven experience in software development using JavaScript or TypeScript

  • Experience with testing software (automated tests or Test Driven Development)

  • Previous experience working with AWS, GCP, Microsoft Azure or another cloud service

  • Have a passion for continued learning of the latest JavaScript and ES versions and trends

What you’ll get to learn (any previous experience would be advantageous)

  • An in-depth understanding and experience working with the cloud/AWS and the opportunities that it brings

  • Solving real world problems and being comfortable working in a complex regulated environment

Where and how you'll work

This is a permanent position based in our London office.

We have a hybrid working model, so you’ll be based in our offices 3 days a week on Tuesdays, Wednesdays and Thursdays, and can work from home on Monday and Friday.

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

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 [email protected] 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 [email protected]

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).

Who We Are

At Capital One, we're building a leading information-based technology company. Still founder-led by Chairman and Chief Executive Officer Richard Fairbank, Capital One is on a mission to help our customers succeed by bringing ingenuity, simplicity, and humanity to banking. We measure our efforts by the success our customers enjoy and the advocacy they exhibit. We are succeeding because they are succeeding.

Guided by our shared values, we thrive in an environment where collaboration and openness are valued. We believe that innovation is powered by perspective and that teamwork and respect for each other lead to superior results. We elevate each other and obsess about doing the right thing. Our associates serve with humility and a deep respect for their responsibility in helping our customers achieve their goals and realize their dreams. Together, we are on a quest to change banking for good.
Posted 2026-03-24

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