Backend Web Developer

We have an exciting opportunity for a Backend Web Systems Developer to join our team on a permanent basis (home based).   

Railpen is responsible for the safekeeping and investment of around £34 billion in assets and the administration of several pension schemes, including the Railways Pension Scheme, one of the UK's largest and longest established pension funds.

Our heritage of looking after the pension needs of the rail industry and its employees gives us our name and our unique outlook on how we serve our members. Railpen takes a holistic view, focusing on how we serve members today and how we can positively impact the communities and the world they will retire into.

To learn more about Railpen including our values, culture and purpose, visit our LinkedIn Life page here.   

As a Backend Web Developer, you will play a central role in designing, building and maintaining the backend systems that underpin our digital products. Working collaboratively with colleagues across technology and the wider business, you will help deliver secure, reliable and scalable services that support our member‑facing applications.

In this role, you will contribute to the development and ongoing improvement of backend functionality that enables our members to self‑serve and confidently manage their pension accounts. Your work will focus on ensuring high levels of performance, resilience and security, providing seamless and dependable services that meet both technical standards and user expectations.

You will take ownership of backend components throughout the development lifecycle, from design and implementation through to maintenance and enhancement. By applying effective practices and a continuous improvement mindset, you will help ensure our digital platforms remain robust, future‑ready and aligned to the needs of our members.

The successful candidate will be an experienced backend web developer with expertise in designing and building robust, scalable backend services using C# and the Microsoft .NET Framework/Core. You will be confident working with SQL databases, APIs, service‑based architectures and modern development practices, using Microsoft Visual Studio and Git or similar version control systems to deliver secure, high‑quality solutions.

You will have a good understanding of authentication and authorisation, with a clear focus on security, performance and reliability. An analytical mindset and attention to detail will enable you to identify issues, drive improvements and ensure backend systems effectively support member‑facing digital products.

Experience working in Microsoft Azure environments, including Functions, App Services, storage solutions and Service Fabric, would be advantageous, alongside familiarity with CI/CD pipelines using tools such as Azure DevOps or GitHub Actions. Experience of Agile or Scrum delivery, supported by tools such as Jira, is also desirable.

You will be a collaborative team player, able to work closely with frontend developers, product owners and wider technology colleagues to deliver well‑integrated solutions. Strong communication skills, a willingness to share knowledge and a proactive approach to continuous improvement will be essential. Above all, you will be motivated by building dependable systems that enable members to self‑serve and manage their pension with confidence.

Our values of integrity, community and alignment are the guiding principles that influence our behaviour. They help us make decisions and shape our relationships with others. They’re what we stand for. You will actively demonstrate our values, helping to create a safe environment, to place the needs of the community above oneself and, through a culture of ‘fair challenge’, align to the best interests of our members. 

• A competitive salary (depending on experience)

• 28 days annual leave plus bank holidays

• Generous annual bonus plan

• We provide membership of the Railways Pension Scheme, a Defined Benefit arrangement under which you get a pension for life and a lump sum when you retire, based on your length of service and pay

•  4x Life Assurance cover

• Private Medical Insurance

• Employee assistance programme

• Health cash plan

• Eye care vouchers

• Flu vaccination

• We support hybrid and flexible working along with very generous family leave including 12 months full pay maternity leave and 6 months full pay paternity leave

• Buy and sell holidays

• Give as you earn scheme

• Paid volunteering days

• Flexible half days leave Electric vehicle leasing

• Cycle to work scheme

If you would like to apply, please click on the apply button or visit our Careers Page by 30th March.

Railpen is committed to creating an inclusive and diverse environment, we value diversity and welcome people from all backgrounds and walks of life