Title: Senior Software Developer (C++)
Date: 31 Jul 2026
Location:
United Kingdom, Whiteley, Hampshire, GB
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About Us
DTC | A Codan Company is a technology company based in Whiteley, Hampshire.
We specialise in the research and development of wireless and critical RF communication systems.
Our Engineers work at the edge of what is scientifically possible, developing secure, high reliability systems used in real world, mission critical environments.
Our technology is deployed nationwide by UK law enforcement and internationally across military, defence and government markets, enabling secure video, data and communications across complex networked environments.
About the Role
At DTC, our Software Engineers enjoy a varied role with a steady stream of challenging projects to work on.
As a Senior Software Engineer within our Applications Team, you will lead the design, development and maintenance of complex desktop and mobile applications that underpin our product portfolio across multiple sectors.
You will work across the full product lifecycle, shaping requirements, defining scalable architectures, and delivering secure, high integrity software used in operational environments.
The role combines enhancement of established, nationally deployed platforms with the development of new products and capabilities, particularly within emerging military applications.
You will develop in modern C++ across multiple platforms, collaborate closely with embedded, hardware and RF engineers, and contribute to a culture of technical excellence through code reviews, mentoring and continuous improvement.
This is a hands on, engineering led role based on site in Whiteley, working within the Applications Team and closely with the Embedded and Hardware Team. Informal flexibility is available, but regular on-site presence is essential.
What We’re Looking For
Strong proficiency in modern C++
Experience developing secure, high integrity application software
Multi-platform experience across desktop and mobile environments
Experience with IP networking, secure communications and database technologies
Confidence working within complex, hardware integrated systems
Qt programming skills would be useful but is not essential
MongoDB would be useful but is not essential
Experience within defence, military, video or networked communication environments would be highly beneficial.
Why Work at DTC
We celebrate and recognise success, take pride in our culture, and enjoy working alongside highly skilled colleagues on technology that has genuine operational impact.
You will work on secure systems that are nationally deployed, safety critical and used in real world scenarios, while helping shape the next generation of applications within our growing portfolio
Interested in finding out more? Click apply today and we will contact suitable candidates for an informal discussion.
Successful applicants will need to be willing and eligible to obtain UK Security Clearance.
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