C# Software Engineer

Carbon 60; Gloucester; Hybrid; GBP 90,000 - 96,000; Full time

Job summary

Carbon 60 is seeking a C# Software Engineer for a 12-month contract in Bristol. The role focuses on developing high‑performance simulation components using C# and C++, with exposure to C++ and integration into broader engineering systems.

You will work in an agile environment, collaborating with project leads, simulation architects and multidisciplinary teams. The position offers hybrid work with three on-site days per week in Bristol and the potential for extension based on project needs.

Qualifications

• Strong C# development experience.
• Experience with C++.
• Ability to translate high-level concepts into detailed technical implementation.
• Strong communication and stakeholder engagement skills.

Responsibilities

• Design and develop simulation components in C# and C++ within an agile framework.
• Collaborate with project leads and architects to translate requirements into software solutions.
• Create and maintain high-performance simulation models and representations.
• Support CI/CD and configuration-controlled development environments.
• Ensure verification, validation and training capabilities through simulation technologies.
• Integrate simulation with wider engineering systems and data flows.
• Work with multidisciplinary teams to deliver complex projects on schedule.

Skills

C# development

C++

Stakeholder communication

Job description

C# Software Engineer | Bristol 12-Month Contract 65- 70 per Hour (Inside IR35) 3 Days Onsite

Our client, a leading engineering and technology organisation operating at the forefront of advanced defence and simulation systems, is seeking an experienced C# Software Engineer to join their growing team on a long-term contract basis.

This is an exciting opportunity to contribute to the development of cutting-edge simulation and modelling solutions that support complex, mission-critical systems throughout the full product lifecycle. You will work on innovative technologies including digital twins, emulators and synthetic environments, helping to deliver advanced capability across design, integration, training, verification and validation activities.

The Role

As a C# Software Engineer, you will collaborate with Project Leads, Simulation Architects and multidisciplinary engineering teams to design, develop and integrate high-performance simulation components. Working within an agile development environment, you will help create realistic end-to-end representations of complex systems using modern software engineering practices. Key responsibilities include:

• Designing and developing simulation software using C# and C++
• Developing system representations within synthetic and virtual environments
• Supporting integration of simulation solutions with wider engineering systems
• Working closely with architects and technical leads to translate high-level requirements into robust software solutions
• Contributing to continuous integration, continuous delivery and configuration-controlled development environments
• Supporting verification, validation and training capabilities through advanced simulation technologies
• Collaborating within agile, multidisciplinary engineering teams

Required Experience

• Strong commercial experience with C# development
• Experience with C++
• Ability to understand complex systems and work from high-level concepts through to detailed technical implementation
• Strong communication and stakeholder engagement skills

What's on Offer?

• 65- 70 per hour (Inside IR35)
• 12-month contract with strong likelihood of extension
• Hybrid working with 3 days per week onsite in Bristol
• Opportunity to work on highly complex and technically challenging projects
• Collaborative environment alongside talented software and systems engineers