Senior Full Stack Software Developer

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Are you interested in joining one of Europe's fastest growing companies?
Do you want to impact the wellbeing of millions of users?

If yes, join us to make an impact in a fast-paced and dynamic environment where you'll play a key role in shaping, scaling, and delivering world-class technology solutions that help people feel valued, connected, and supported at work.

Epassi's purpose is to boost everyday well-being. We are a leading provider of employee benefit solutions across Europe,

Epassi is transforming the way employers engage with their people.

Our market-leading SaaS platform empowers businesses to deliver a world-class employee proposition - allowing employees to tailor their benefits package, understand their total reward, access personalised content and communications, and celebrate their colleagues' achievements.

Our platform supports hundreds of employers, including household names like Yahoo, Hargreaves Lansdown, and Travis Perkins, to create workplaces where employees feel valued, informed, and deeply connected to their company's success.

We're proud to boast an impressive NPS of over 70%, a testament to our commitment to outstanding client and end‑user experiences.

At Epassi, we foster a work environment that's as friendly as it is professional, as high-performing as it is supportive. We thrive on empowerment, autonomy, and mutual success - celebrating achievements, learning openly from failures, and continuously improving together.

As a Senior Developer at Epassi, you will play a pivotal role in shaping the architecture, design, and delivery of our flagship SaaS platform.

You’ll lead by example in coding standards, mentor junior developers, and collaborate closely with Product and Engineering leadership to drive innovation and technical excellence.

You’ll take ownership of complex features, influence technical direction, and ensure scalability, performance, and security are embedded in everything we build.

Microsoft .NET 9 and up, Microsoft Azure, C#, ASP.NET Core MVC and Blazor, NUnit, Docker containers, Git Hub Co Pilot

• Lead the design and implementation of scalable, secure, and high-performance solutions
• Mentor and support junior developers through code reviews, pair programming, and knowledge sharing
• Collaborate with Product Owners to translate business requirements into technical solutions
• Contribute to architectural decisions and long-term technical strategy
• Champion best practices in Dev Ops and CI/CD
• Drive continuous improvement in development processes and tools
• Ensure high quality and accuracy is maintained through to software release
• Investigate, analyse, and resolve reported defects
• Help Epassi stay at the forefront of technological innovation

• Technical leadership: ability to guide and influence technical decisions across teams
• Mentorship: experience mentoring developers and fostering a culture of learning
• Strategic thinking: understands the broader business context and aligns technical decisions with strategic goals
• Problem solving: strong analytical and troubleshooting skills
• Communication: excellent verbal and written communication skills

• Full stack development: 5+ years of hands‑on experience with Microsoft C# and .NET technologies
• Front‑end & back‑end integration: demonstrated ability to seamlessly integrate front‑end and back‑end components
• UI/UX: knowledge of HTML, CSS, JavaScript, and responsive design; experience with front‑end frameworks like Bootstrap
• Blazor/Razor/MVC: proficiency in Blazor, Razor, and MVC frameworks for building dynamic web applications
• Object‑oriented development & SOLID principles: strong understanding and practical application of OOP and SOLID design principles
• Entity Framework: experience with Entity Framework for data access and management
• Containerisation: practical experience with technologies such as…