Senior Embedded Firmware Engineer

Weare5vtech; Bristol; Hybrid; GBP 67,000 - 80,000; Full time

Job summary

A technology recruitment agency is seeking a Senior Embedded Firmware Engineer to design low-power firmware for advanced wearable IoT devices. The role requires strong C++ skills, experience with BLE features, and a collaborative mindset. You will contribute to next-generation products in a hybrid working environment with a competitive salary package.

Qualifications

• Strong experience in embedded systems development in a real-time environment.
• Experience delivering BLE features in production devices.
• Knowledge of cellular IoT protocols.

Responsibilities

• Design and develop low-power firmware on Nordic nRF platform.
• Build connectivity features across BLE, LTE-M/NB-IoT, and GPS.
• Optimize power management to extend battery life.

Skills

Problem solving

Communication

Embedded systems

Modern C++

BLE features delivery

Cellular IoT

Networking

Tools

Nordic nRF platform

Zephyr RTOS

Bluetooth Mesh

Sensor Fusion

Job description

Senior Embedded Firmware Engineer

• Amsterdam, the Netherlands
• Hybrid Working
• Permanent Contract
• Up To 90,000 EUR gross salary + Benefits Package

5V Tech is working with a unique IoT hardware company on a mission to scale their advanced wearable device used in demanding outdoor environments.

They are searching for a Senior Embedded Software Engineer to take a vital role in accelerating firmware development for wireless communication, power optimization, and secure updating features.

This is a rare opportunity to join a company that is getting ready to scale significantly over the next 18 months!

What you’ll do...

• Design and develop low-power firmware on Nordic nRF platform in an RTOS environment (Zephyr).
• Build robust connectivity features across BLE, LTE-M/NB-IoT, and GPS.
• Optimize power management features to extend battery life in the field.
• Implement diagnostics, logging, and fault-tolerant boot/rollback for field devices.
• Collaborate with embedded, app, and cloud engineers to define protocols and field test strategies.

Skills you could have...

• A first-principles problem solver, communicates clearly, autonomous and collaborative.
• Strong experience developing embedded systems with modern C++ in a real-time environment.
• Delivery of BLE features in production devices.
• Experience with cellular IoT (LTE-M/NB-IoT), sockets/TLS, and constrained networking.
• Bonus: Experience with Nordic platforms, Zephyr, Bluetooth Mesh, Sensor Fusion.

If you are looking for the opportunity to build disruptive products, then Apply Now to discuss the details further!

5V Tech are acting as an Employment Agency for the purposes of this position. We offer a reward scheme if you can recommend someone for this position—€250 for you and €250 to a charity of your choice. 5V Tech are recognised talent solutions experts within IoT and Deep Tech, working across Europe, the UK, and North America.