Role: Senior Software Engineer

Location: Essex - 5 days a week onsite

Pay rate: £600-£700p/d (outside IR35)

I'm looking for an experienced C++ engineer looking to work on genuinely complex, mission-critical software. This role is fully on-site, 5 days a week.

We're working with a global company based in Essex, seeking an experienced Software Engineer to develop and maintain sophisticated integrated monitoring and automation systems.

You'll be working with:

• C++ Windows application development (Visual Studio)
• Real-time, high-volume data transfer
• Serial interfaces and protocols - RS232, RS422, CAN Bus, ModBus, NMEA
• Multi-threaded architectures

Experience with Qt, TCP/UDP, DirectX/OpenGL or Google Protocol Buffers would be a bonus.

This is a hands‑on, technically rewarding role with real ownership over what you build - ideal for an engineer who thrives in a specialist, niche en...