Senior C# .NET Engineer — Azure, API & Secure DevOps (Hybrid)

Kensington Mortgages; Marlow; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Kensington Mortgages in the UK is seeking a Software Engineer to design, build and maintain secure, scalable digital solutions. You’ll work across APIs, back-end engineering and application modernisation in a hybrid Marlow/London setup.

You’ll bring 5+ years of commercial software engineering experience, be comfortable in a UK-regulated environment, ideally financial services, and have hands-on expertise with C#, .NET, Azure, REST APIs and CI/CD.

Qualifications

• 5+ years of commercial software engineering experience.
• Experience in a UK-regulated environment, ideally financial services.
• Strong knowledge of C#, .NET, Azure and REST APIs.
• Experience with secure SDLC and automated testing.

Responsibilities

• Design, build and maintain secure, scalable digital solutions across APIs and back-end systems.
• Work on application modernisation and integration across services.
• Contribute to CI/CD pipelines and automated testing practices.

Skills

C# / .NET / ASP.NET Core

Microsoft Azure

REST APIs

SQL

CI/CD / Azure DevOps

Automated testing

Secure software development

Tools

Azure DevOps

CosmosDB

Blazor

Job description

Kensington Mortgages in the UK is seeking a Software Engineer to design, build and maintain secure, scalable digital solutions. You’ll work across APIs, back-end engineering and application modernisation in a hybrid Marlow/London setup.

You’ll bring 5+ years of commercial software engineering experience, be comfortable in a UK-regulated environment, ideally financial services, and have hands-on expertise with C#, .NET, Azure, REST APIs and CI/CD.