Hexagon AB

Full-stack Engineer

• Design, implement, debug and maintain embedded C and C++ firmware for safety-related vehicle control ECUs
• Develop firmware from requirements through released, verified software
• Implement and maintain vehicle communication interfaces including CAN 2.0A/B, J1939, higher-layer CAN protocols and serial links
• Develop I/O and actuation software for digital and analogue inputs, PWM and proportional outputs, sensor signal conditioning, scaling, calibration and plausibility checking
• Implement diagnostics, fault detection and fail-safe behaviour, including watchdogs, monitors, fault classification and safe-state transitions
• Contribute to migrating and modernising the production firmware platform onto current hardware
• Develop against decomposed, traceable requirements and maintain bidirectional traceability
• Author and maintain design documentation, interface specifications and verification records
• Perform and participate in peer design and code reviews
• Build and maintain automated embedded unit, integration and hardware-in-the-loop tests
• Extend CI/CD pipelines for embedded builds, static analysis, automated tests, versioning and release artefact packaging
• Work with Linux-based coprocessors and services for data logging, connectivity, remote diagnostics and observability
• Support bench, vehicle and field commissioning and investigate integration-test issues
• Collaborate with hardware and electrical engineers, system architects, functional safety engineers, application software teams and product management

Senior Embedded Software Engineer