Senior .NET Developer | UK based remote | Inside IR35

Senior .NET Developer | UK based remote | Inside IR35

RL are replacing the client’s existing API with a new microservices based architecture. The output from the team is new microservices, API management, automation testing.

The Role

As Senior .NET Developer, you will be responsible for designing and implementing commercial software customisations; as well as bespoke application design for enterprise level clients, using the Microsoft .NET platform. You will be responsible for developing ASP.NET (core and framework) microservices, creating and consuming RESTful APIs, managing Azure infrastructure and some DevOps.

You will be working alongside a team of developers and be involved in daily ceremonies including, stand-ups, sprint planning and retrospectives.


• Make technical decisions and advise on approach and technical design.
• Actively take part in working groups, labs sessions and show and tells.
• Assist with insuring quality output through regular code reviews.
• Produce high quality code against our internal standards.
• Create and manage build and deploy pipelines.
• Create and manage Azure infrastructure.
• Provide estimates of scoped work items.
• Write unit and integration tests.

Skills & Experience

Applications and software

• ASP.NET Core
• ASP.NET Framework
• Microservices
• Docker
• Infrastructure as Code (ideally Pulumi)
• Application resilience
• Web standards
• Unit Testing – NUnit, Moq
• Integration Testing – Cypress
• Contract Testing – Pact
• Developing and integrating with RESTful APIS
• Azure infrastructure design and implementation
• Git
• CI/CD – Azure DevOps

Nice to have:
• Payment Systems
• Jira

Soft skills
• A flexible and pragmatic approach to developing and delivering solutions.
• Ability to communicate well with all levels of the business.
• Have strong problem-solving skills.
• Ability to take on any challenge.
• Ideally have agency experience


More details abo


Or, know someone who would be a perfect fit? Let them know!


Rufus Leonard
EC1M 3JB London Directions View page

029. RL Reportage.jpg

 As well as looking after your career development and learning, we know how important it is to look after you in other ways too.  

Here's a taster...

  • Extra Days Off

    Have Christmas on us! And an extra day for your birthday whilst you're at it.

  • Rufus Clubs

    Got an interest? There’s a club for that (or you can start a new one).

  • Ice Cream

    Hot or not, in summer months there’s always ice cream at Rufus.

  • Flexible Working

    Because we know there’s more to life than work.

Looking after our Rufians

We take the welfare of our staff very seriously - we work closely with NABS and are committed to the #timeTo manifesto.

Already working at Rufus Leonard?

Let’s recruit together and find your next colleague.


Applicant tracking system by Teamtailor