Senior Embedded Software Engineer

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

My client is a design and technology consultancy specialising in IoT, embedded systems, and connected devices. They partner with global leaders in defence, medical, industrial, and energy sectors to design and deliver innovative, production\-ready technology. Their multidisciplinary team brings together electronics, firmware, software, mechanical design, and manufacturing expertise under one roof.

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.

• Strong C/C\+\+ programming for embedded systems.


• Strong knowledge of ESP32 (ESP\-IDF) and STM32 microcontrollers.


• Solid understanding of wireless communication protocols: BLE, Wi\-Fi, LoRa, ZigBee, 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.

Pay: £50,000\.00\-£55,000\.00 per year

Benefits:

• Company events


• Company pension


• Employee mentoring programme


• Flexitime


• Free parking


• On\-site parking


• Profit sharing

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