Senior Embedded Software Engineer

Senior Embedded Software Engineer Bristol £50,000-£55,000 Hybrid Role Overview We’re looking for a Senior Embedded Engineer to join a growing team in Bristol This is a client-facing role working directly with major global clients on multiple concurrent projects across diverse sectors. The work is varied, fast-paced, and highly rewarding, offering the opportunity to develop advanced IoT and embedded systems from concept through to production. You’ll initially take ownership of the embedded function within a key project, then help define the future of the department - shaping its processes, standards, and team as it grows. It’s an ideal role for someone ready to take a significant step up in responsibility and leadership, with the long-term goal of building and leading the embedded engineering capability within an innovative, forward-looking company. Key Responsibilities * Design, develop, and maintain embedded firmware in C/C++ for ESP32 and STM32 platforms. * Lead development using ESP-IDF, including OTA updates, BLE, Wi-Fi, and peripheral integration. * Work directly with global clients to define, develop, and deliver high-quality embedded systems. * Develop and optimise firmware across BLE, Wi-Fi, LoRa, ZigBee, LTE, 5G, and NB-IoT. * Integrate and control vision systems (thermal and RGB cameras). * Collaborate closely with electronics engineers on PCB bring-up, debugging, and validation. Essential Skills & Experience • Strong C/C++ programming for embedded systems. • Expert knowledge of ESP32 (ESP-IDF) and STM32 microcontrollers. • Solid understanding of wireless communication protocols: BLE, Wi-Fi, LoRa, ZigBee, LTE, 5G, NB-IoT. • Proven experience implementing OTA (Over-The-Air) update systems. • Ability to read schematics and collaborate effectively with hardware teams. • Experience using JTAG/SWD, oscilloscopes, and logic analysers. • Familiarity with RTOS (FreeRTOS or similar) and event-driven architectures. • Confident communicator, comfortable engaging with clients and presenting solutions. Benefits * Hybrid working – 2 days per week from home. * Flexible hours (flexi-time). * Work on multiple concurrent, high-impact projects with global industry leaders. * Ongoing professional development and career progression support. * A collaborative, engineering-led culture that values innovation, autonomy, and excellence. * Monthly team socials