Job Specifications
Epassi’s purpose is to boost everyday well-being.
We are a leading provider of employee benefit solutions in Finland, Sweden, UK & Ireland, Italy, Germany, and the Netherlands.
We were established in Finland in 2007, and in 2008 we were the first company to launch a mobile-payable employee benefit payment solution in Europe. Since then, we have consistently grown, diversifying our products and introducing our services into new markets. Epassi has been awarded by the Financial Times as one of the fastest-growing companies in Europe on multiple occasions.
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,
We are currently hiring a Senior Full Stack Software Developer (Microsoft Technologies) to be based in our office in Leatherhead, Surrey
About Our Technology
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.
About The Role
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.
Technology Stack: Microsoft .NET 9 and up, Microsoft Azure, C#, ASP.NET Core MVC and Blazor, NUnit, Docker containers, GitHub CoPilot
What You’ll Be Doing
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 DevOps 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
What We Are Looking For
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
Experience / Skills Required
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 Docker or Kubernetes
Experience leading development teams or technical projects
Proven track record of delivering enterprise-grade applications
Strong understanding of software architecture and design patterns
Experience with performance tuning and application scaling in Azure or other cloud environments
What You Bring
About the Company
Founded in Helsinki in 2007, Epassi is a pioneer in digital employee benefits and payments, and the leading global multi-benefits platform with a strong presence in the Nordics, Germany, the Netherlands, Italy, the UK, Ireland, Spain, Portugal, and France. Epassi’s innovative, unique and scalable solution combines all benefits into one mobile app-centric, user-friendly digital service, providing a digital marketplace for employee benefits. Epassi Group serves more than 50,000 employers and their over 30 million employees, wi...
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