Principal Software Development Engineer in Surrey

At the company, you will grow by making a difference in a highly international environment and in a supportive culture where effort counts. Technology is transforming the way we support customers and clients across the financial ecosystem. We are investing in modern platforms, intelligent automation, AI-enabled capabilities, and engineering excellence to create secure, scalable, and insight-led digital solutions.

We are looking for a Principal Software Development Engineer to play a pivotal role in shaping the future of our customer-facing digital platforms and technology solutions. This is an opportunity to guide technical direction at scale, influence engineering strategy, and build resilient customer-facing platforms that make a real impact within a highly regulated environment. You will work across cloud-native architectures, microservices, AI-assisted engineering practices, and modern DevSecOps delivery models — collaborating with talented engineers, product teams, and senior stakeholders to support innovation and operational excellence. This role has the added flexibility of hybrid working with travel to our UK offices in Manchester, Reigate or Glasgow, as required.

If you are passionate about modern engineering, thrive in complex environments, and want the freedom to shape how technology evolves, we would love to hear from you.

• Guide the architecture, design, and development of scalable customer and client platforms, implementing microservices and integrations across AWS by ensuring we are driving good customer outcomes across all aspects of services that have potential to impact our customers.

• Extensive experience in software engineering, including experience operating at Principal Engineer or senior technical guidance level.
• Expert knowledge of .NET, React, SQL, microservices architecture, and cloud platforms, ideally AWS.
• Strong experience with CI/CD pipelines, Infrastructure as Code, DevSecOps practices, and test automation.
• Experience working with customer contact platforms such as AWS Connect or Genesys Cloud.
• Proven ability to design and deliver secure, scalable, and resilient cloud-native solutions within complex enterprise environments.
• Strong understanding of observability, operational support, reliability engineering, and end-to-end ownership practices.
• Knowledge of regulated financial services environments, including UK GDPR and FCA Consumer Duty requirements.
• Excellent communication and stakeholder management skills, with the ability to influence technical direction and collaborate across multiple teams and functions.

You will have the opportunity to shape the future of customer technology within a business investing heavily in digital transformation, AI capability, and modern engineering excellence. At the company, you will have the freedom to innovate, the support to grow, and the opportunity to work on technology that delivers meaningful outcomes for both clients and customers.

• A competitive salary and attractive benefits package including 33 days holidays including bank holidays upon commencement, with the ability to buy more or sell back.
• You can participate in gadget schemes.
• Contributory workplace pension scheme.
• Additionally, you’ll get an extra day to celebrate your birthday.
• You’ll receive training and coaching for your personal development/progression, and employee recognition programmes to help you grow in your career.
• You’ll have access to private medical insurance, life assurance, and more.
• You’ll enjoy discounts on gym memberships, cycle to work schemes, and a 24/7 employee assistance programme.
• You’ll also have sociable working hours and breakfast/snacks provided in the office.

We strive to create a diverse and inclusive workplace. We encourage applicants from all backgrounds to apply. If a person with disabilities is put at a disadvantage compared to a non-disabled person, we have a duty to make reasonable changes to our processes. If you need a change to be made so that you can make your application, you should contact the company Talent Acquisition team via hr@unitedstatesdigital.space as soon as possible before the closing date to discuss your needs.

We are an equal opportunities employer and authorised and regulated by the Financial Conduct Authority. We will conduct credit, fraud, criminal record, right to work and reference checks as part of our pre-employment screening. You should not be bankrupt, have any outstanding county court judgments on your credit file. You must not have excessive default balances and any outstanding debt will be considered on a case-by-case basis.