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# Senior Software Engineer - MCU

- **Company:** Ensera Design
- **Location:** Bristol, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** ARM Architecture, Booting (BIOS), C++ (Programming Language), Linux, Firmware, MISRA C (C Programming Language), Universal Asynchronous Receiver/Transmitter, Real Time Systems
- **Published:** May 26, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/37365431/

## About the Role

About the roleYou will lead the design and delivery of microcontroller (MCU) firmware for real-time systems, owning technical decisions and collaborating across hardware, Linux, UI, connectivity and test to integrate complete solutions.What you'll doDesign and implement MCU firmware aligned to system and security architecture.Own technical design of MCU subsystems.Develop and review embedded C/C++ for real-time systems.Collaborate with hardware and software peers.Champion coding standards and secure development.Your skills and experienceWhilst you do not need to meet all of these points, please ensure you meet the majority of them before making an application:Proven experience with ARM Cortex-M or equivalent.Strong C/C++ in embedded, real-time contexts.Experience in quality-controlled or safety-critical environments.STM32, bootloaders, MISRA, UART/SPI/I2C/CAN.Why work with us?Ensera Design offers interesting and varied work combined with a supportive team culture to provide a stimulating



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