Senior .NET Software Engineer

Senior .NET Software Engineer Overview

This opportunity is for a senior software engineer with strong .NET experience to join a well-established engineering and technology business that creates advanced systems for testing and validating complex electrical equipment. The company’s products are used in highly regulated sectors where performance, safety, and reliability matter, and the business is supported by a larger publicly listed parent organisation, giving the role long-term stability alongside a collaborative, close-knit engineering culture.

The position sits within a team building software that works closely with specialist hardware. You will help maintain established desktop applications while also contributing to the development of newer service-based platforms as the organisation continues its technology transformation. The role is suited to someone who wants genuine input into design and architecture, along with a clear path for progression.

What you will do

• Develop, support, and improve applications using C# and .NET.
• Work across both desktop software and modern service-based systems.
• Take part in architectural discussions and help shape system design.
• Partner with multidisciplinary engineering colleagues to deliver integrated solutions.
• Assist with the modernisation of legacy platforms while keeping existing systems reliable.
• Review code and contribute to ongoing engineering improvements.
• Build software that interfaces with specialist hardware and supports real-world testing and validation use cases.
• Use your experience to influence technical direction and help the team make sound implementation choices.

What the team uses

• C# and .NET
• WPF
• SQL Server
• .NET Core
• Microservices architecture
• Vue.js, which is useful but not essential
• Azure, with migration work already underway

What the employer is looking for

• Solid professional experience with C# and .NET development.
• Background in desktop application development, ideally including WPF.
• Good knowledge of software design principles.
• Confidence working in an engineering-led setting.
• Interest in software that connects with hardware or specialist equipment.
• Experience with modern frameworks or microservices would be an advantage.
• Exposure to industrial systems or hardware-integrated products would also be beneficial.

Why this role may appeal to you

• You will work on systems that have a tangible impact in safety-critical environments.
• The role combines maintaining important existing software with building new solutions.
• You will have a high level of technical ownership and the chance to shape decisions.
• There is a clear progression path for someone looking to grow further.
• The business offers the backing and stability of a larger listed group while keeping a collaborative team feel.

Package and benefits

• Base salary of £55,000 to £65,000.
• Bonus scheme.
• 25 days of holiday in addition to bank holidays.
• Pension with employer matching.
• Share scheme.
• Fully funded training and development.
• Enhanced parental leave.
• Extra flexible benefits.

Working arrangement

The role is based in South West England and follows a hybrid pattern, with two days each week spent onsite.

How to apply

If you are a .NET engineer who wants to work on meaningful, real-world systems in a collaborative and forward-thinking environment, you are encouraged to apply through the job listing’s application process.

Degree Requirement: Not Specified

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