Join us as a Principal Engineer, UCX Platform,
As a Principal Engineer, you’ll be creating great customer outcomes via engineering and innovative solutions to existing and new challenges, and technology designs which are innovative, customer centric, high performance, secure and robust. You’ll be defining, creating and providing oversight and governance of engineering and design solutions with a focus on end-to-end automation, simplification, resilience, security, performance, scalability and reusability.
You’ll also be:
You’ll come with significant experience in software engineering, software or database design and architecture, as well as experience of developing software within a DevOps and Agile framework. You'll need at least fifteen years of experience in designing and engineering scalable software solutions with a strong focus on customer experience, accessibility, and internationalisation. You'll need experience in defining and delivering architecture roadmaps, lead solution design, and drive engineering excellence across the full software development lifecycle, ensuring automation, resilience, security, performance, scalability, and reusability.
You'll need to be hands-on with Java, microservices, AWS cloud technologies, and modern software design patterns while providing technical leadership and guiding teams to deliver complex enterprise platforms and services. Experience in solution architecture, team management, and end-to-end SDLC delivery is essential. Exposure to React, Python, and AI technologies, including Amazon Bedrock, agentic AI, RAG frameworks, and vector databases, will be highly advantageous.
You’ll also need:
Hours
45
05/11/2026

We’re a business that understands when our customers and people succeed, our communities succeed, and our economy thrives. As part of our purpose, we’re looking at how we can drive change for our communities in enterprise, learning and climate.
As one of the leading supporters of UK business, we’re prioritising enterprise as a force of change. We’re focusing on the people and communities who have traditionally faced the highest barriers to entry and figuring out ways to remove these.
Learning is also key to our continued growth as a company in an ever changing and increasingly digital world. By setting a dynamic and leading learning culture, our people prosper, and our customers are given the tools to continue to improve their financial capability and confidence.
One of the biggest challenges we all face in our future is climate change. That’s why we’ve put it right at the core of our purpose. We want to champion climate solutions with financing and entrepreneurial support, fully embed climate into our culture and decision making, and be climate positive by 2025.
We’re committed to using our purpose to break down barriers, drive change and ultimately create a great place to work.