Principal Software Engineer
<p><b>Salary: £60,000 - 70,000 per year</b></p>
<b>Requirements:</b>
<ul><li>Expert-level experience with C#, .NET and object-oriented design</li><li>Strong front-end knowledge using JavaScript/TypeScript and React</li><li>Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure</li><li>Proven leadership in DevOps, CI/CD pipelines and cloud-native environments</li><li>Advanced SQL Server and data modelling expertise</li><li>Strong understanding of microservices and distributed systems</li><li>Experience with CMS platforms (e.g. Umbraco) and third-party integrations</li><li>A collaborative mindset and the ability to influence without line management</li></ul>
<b>Responsibilities:</b>
<ul><li>Lead end-to-end full-stack delivery, from backend services and APIs to customer-facing and internal applications</li><li>Shape and evolve platform and system architecture, ensuring solutions are secure, scalable and future-ready</li><li>Translate business strategy into robust technical designs, balancing innovation with resilience</li><li>Set the standard for clean code, engineering best practice and quality across teams</li><li>Drive modernisation initiatives, reducing technical debt and improving performance</li><li>Champion DevOps, CI/CD and automation, enabling faster, safer releases</li><li>Embed security, compliance and GDPR-by-design into everything we build</li><li>Collaborate closely with Product, Design, Architecture and senior stakeholders</li><li>Mentor and influence engineers at all levels, raising the bar for technical excellence</li></ul>
<b>Technologies:</b>
<ul><li>Azure</li><li>Backend</li><li>C#</li><li>CI/CD</li><li>Cloud</li><li>CMS</li><li>DevOps</li><li>Support</li><li>JavaScript</li><li>REST</li><li>React</li><li>SOAP</li><li>SQL</li><li>Security</li><li>TypeScript</li><li>Umbraco</li><li>microservices</li><li>ASP.NET</li></ul>
<p><b>More:</b></p>
<p>At eurochange, we are transforming foreign exchange to make it better, simpler, and more convenient for millions of customers. Technology is at the heart of our journey. We are looking for a Principal Software Engineer to help shape our digital platforms. This senior, hands-on technical leadership role offers a hybrid or remote working option, a salary range of 60k-70k, and numerous perks including 28 days holiday, high street discounts, and wellness support. Join us in being the UKs go-to travel money provider!</p>
<p>last updated 8 week of 2026</p>
<b>Requirements:</b>
<ul><li>Expert-level experience with C#, .NET and object-oriented design</li><li>Strong front-end knowledge using JavaScript/TypeScript and React</li><li>Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure</li><li>Proven leadership in DevOps, CI/CD pipelines and cloud-native environments</li><li>Advanced SQL Server and data modelling expertise</li><li>Strong understanding of microservices and distributed systems</li><li>Experience with CMS platforms (e.g. Umbraco) and third-party integrations</li><li>A collaborative mindset and the ability to influence without line management</li></ul>
<b>Responsibilities:</b>
<ul><li>Lead end-to-end full-stack delivery, from backend services and APIs to customer-facing and internal applications</li><li>Shape and evolve platform and system architecture, ensuring solutions are secure, scalable and future-ready</li><li>Translate business strategy into robust technical designs, balancing innovation with resilience</li><li>Set the standard for clean code, engineering best practice and quality across teams</li><li>Drive modernisation initiatives, reducing technical debt and improving performance</li><li>Champion DevOps, CI/CD and automation, enabling faster, safer releases</li><li>Embed security, compliance and GDPR-by-design into everything we build</li><li>Collaborate closely with Product, Design, Architecture and senior stakeholders</li><li>Mentor and influence engineers at all levels, raising the bar for technical excellence</li></ul>
<b>Technologies:</b>
<ul><li>Azure</li><li>Backend</li><li>C#</li><li>CI/CD</li><li>Cloud</li><li>CMS</li><li>DevOps</li><li>Support</li><li>JavaScript</li><li>REST</li><li>React</li><li>SOAP</li><li>SQL</li><li>Security</li><li>TypeScript</li><li>Umbraco</li><li>microservices</li><li>ASP.NET</li></ul>
<p><b>More:</b></p>
<p>At eurochange, we are transforming foreign exchange to make it better, simpler, and more convenient for millions of customers. Technology is at the heart of our journey. We are looking for a Principal Software Engineer to help shape our digital platforms. This senior, hands-on technical leadership role offers a hybrid or remote working option, a salary range of 60k-70k, and numerous perks including 28 days holiday, high street discounts, and wellness support. Join us in being the UKs go-to travel money provider!</p>
<p>last updated 8 week of 2026</p>