Principal Software Engineer

Build the platforms that power better travel money

At eurochange, we re transforming foreign exchange making it better, simpler and more convenient for millions of customers. Technology is at the heart of that journey, and we re looking for a Principal Software Engineer to help shape the platforms that drive our digital future.

This is a senior, hands-on technical leadership role where you ll influence architecture, guide engineering standards, and deliver enterprise-grade solutions that scale with our ambitions.

What you ll be doing

As our Principal Software Engineer, you ll be a technical authority across our digital platforms, combining architectural vision with practical delivery. You ll:

• Lead end-to-end full-stack delivery, from backend services and APIs to customer-facing and internal applications
• Shape and evolve platform and system architecture, ensuring solutions are secure, scalable and future-ready
• Translate business strategy into robust technical designs, balancing innovation with resilience
• Set the standard for clean code, engineering best practice and quality across teams
• Drive modernisation initiatives, reducing technical debt and improving performance
• Champion DevOps, CI/CD and automation, enabling faster, safer releases
• Embed security, compliance and GDPR-by-design into everything we build
• Collaborate closely with Product, Design, Architecture and senior stakeholders
• Mentor and influence engineers at all levels, raising the bar for technical excellence

About you

You re a strategic, hands-on technical leader who enjoys solving complex problems and influencing direction. You re trusted for your judgement, calm under pressure, and passionate about building systems that last.

You ll bring:

• Expert-level experience with C#, .NET and object-oriented design
• Strong front-end knowledge using JavaScript/TypeScript and React
• Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure
• Proven leadership in DevOps, CI/CD pipelines and cloud-native environments
• Advanced SQL Server and data modelling expertise
• Strong understanding of microservices and distributed systems
• Experience with CMS platforms (e.g. Umbraco) and third-party integrations
• A collaborative mindset and the ability to influence without line management

• Colleague Rate on Travel Money
• 28 days holiday (inclusive of bank holidays)
• High Street Discounts
• Free 24/7 Virtual GP service for you and your family
• Cycle to Work Scheme
• Employee Wellbeing & Financial Support through Retail Trust
• Employee Assistance Programme because you matter!
• Wagestream access your earned wages when you need it
• Recognition Awards for outstanding service
• Additional holiday entitlement after 1 year
• Life Assurance
• and much more!

To be the UK s go-to travel money provider, adding value to every customer s journey!

Foreign exchange but better, simpler & more convenient, we re the trusted inspirational experts.

We Strive, We Trust, We re Aspirational, We re Responsible, We re Sincere