C# / C++ Software Engineer

Certain Advantage

📍 Stevenage, Hertfordshire, United Kingdom

Full-time computer-and-mathematical Posted March 03, 2026

Job Description

World Class Defence Organisation is currently looking to recruit a C# / C++ Software Engineer subcontractor on an initial 12 month contract.  The department are happy to consider candidates with a mixture of C# and C++ or someone with just C# experience.

Job Title: C# / C++ Software Engineer
Rate: £65.00 per hour
Location: Stevenage
Hybrid / Remote working: The role will be a hybrid role of 3 or 4 days per week onsite
Contract: 37 Hours per week
Overtime: Hours worked over 37 hours per week will be calculated at ‘time and a quarter’
Duration: 12 Months (initially and then ongoing and long-term thereafter)
IR35 status: Inside IR35 (Umbrella) 
 
C# / C++ Software Engineer Job Description:

WSSE are integral in the development of weapon systems and system architectures, and as a result we have developed a capability supporting developments across the full product life cycle.
 
The team integrate real products, models and synthetic environm...