Principal Software Engineer

Eurochange; England; Hybrid; GBP 60,000 - 70,000; Full time

Job summary

A leading foreign exchange provider in the UK is looking for a Principal Software Engineer to shape their technology platforms. This senior role involves overseeing full-stack delivery, influencing architectural decisions, and ensuring quality standards across teams. The ideal candidate will have expertise in C#, .NET, and experience with DevOps practices. The position offers a hybrid or remote work arrangement and includes competitive perks such as 28 days of holiday, virtual GP services, and high street discounts.

Benefits

Colleague Rate on Travel Money

28 days holiday

High Street Discounts

Free 24/7 Virtual GP service

Cycle to Work Scheme

Employee Wellbeing & Financial Support

Employee Assistance Programme

Wagestream

Recognition Awards

Additional holiday entitlement after 1 year

Life Assurance

Qualifications

• Expert-level experience with C# and .NET.
• Strong front-end knowledge using JavaScript/TypeScript and React.
• Deep experience designing and governing enterprise APIs.
• Proven leadership in DevOps and CI/CD pipelines.
• Advanced SQL Server and data modelling expertise.

Responsibilities

• Lead end-to-end full-stack delivery from backend to frontend.
• Shape platform architecture ensuring security and scalability.
• Mentor engineers at all levels for technical excellence.
• Champion DevOps and enable faster, safer releases.

Skills

C#

.NET

JavaScript

TypeScript

React

DevOps

CI/CD

Azure

SQL Server

microservices

Job description

Principal Software Engineer Hours: 40h p/w
Location: Hybrid or Remote
Salary:60k-70k

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

Our Perks Are Out of This World!

• 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!

Our Vision

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

Our Purpose

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

Our Values

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