Senior Embedded Software Engineer

Senior Embedded Software Engineer Bristol £50,000-£55,000 Hybrid

Role Overview Were 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. Youll 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. Its 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 ESP
32 and STM
32platforms. 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, Zig Bee, 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.

Strong knowledge of ESP
32 (ESP-IDF) and STM
32 microcontrollers. Solid understanding of wireless communication protocols: BLE, Wi-Fi, LoRa, Zig Bee, LTE, 5G, NB-IoT. 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.