Software Application Engineer

Overview

An established technology company based in Colchester is looking for an experienced Applications Developer to support a range of embedded, GUI-driven software projects.

Working within a multidisciplinary engineering team, you will focus on delivering high-quality application features, user interfaces, and on-screen display tools using C++ and Qt, closely integrated with embedded hardware systems.

This role is assessed as outside IR35, making it suitable for contractors operating via a Personal Service Company (PSC).

• Develop and enhance GUI and application-level features using C++ and Qt for embedded platforms
• Build on-screen display tools and front-end components for hardware-integrated applications
• Collaborate with embedded engineers, product teams, and test teams to refine requirements and deliver robust software
• Troubleshoot, debug, and optimise code for performance, memory efficiency, and hardware constraints
• Support the full software lifecycle, from design through to deployment on embedded targets

• Strong commercial experience with C++ and Qt for GUI and application development
• Proven experience working with embedded systems or hardware-integrated applications
• Proficient in Python for automation, tooling, or integration tasks
• Comfortable working with low-level constraints, hardware interfaces, and embedded workflows
• Analytical, detail-oriented, and an effective communicator within cross-functional teams
• Experience with cross-platform or resource-constrained environments
• Familiarity with embedded Linux, device drivers, or hardware/software integration