Contract

Senior Software Engineer

Tec Partners

Essex

£500 - £700/day

Posted: 13 May 2026 (Today)

Closing date: 12 June 2026

Ref: 225104823

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Role: Senior Software Engineer

Location: Essex - 5 days a week onsite

Pay rate: -600700p/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 environment.

Interested? Please reach out to Fintan at TEC Partners for more details.

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