Embedded Software Engineer (IoT) Barnsley Up to £45,000 + Excellent Benefits KO2 is working with an innovative and growing company in the IoT sector, developing smart, connected products used in real-world applications. This is an exciting opportunity for an Embedded Engineer with 3+ years of industry experience to join a collaborative team building scalable, secure, and high-performance connected devices. The Role You’ll be involved in the full development lifecycle, working on next-generation IoT products from concept through to production. Expect to work closely with hardware and cloud teams, contributing to the design of reliable, low-power embedded systems with robust connectivity. Key Responsibilities \* Develop embedded software in C/C++ for IoT devices \* Work on low-power, connected systems (Wi-Fi, BLE, or similar) \* Contribute to system architecture and design decisions \* Support integration, testing, and product release \* Collaborate with cross-functional engineering teams What We’re Looking For \* 3+ years’ experience in embedded software development \* Strong C/C++ programming skills \* Experience with IoT or connected devices \* Understanding of embedded systems and hardware interaction \* A relevant degree in Electronics, Embedded Systems, Computer Science, or similar Nice to Have \* Experience with RTOS or Linux-based systems \* Knowledge of wireless communication protocols (BLE, Wi-Fi, MQTT, etc.) \* Exposure to embedded security or OTA updates If you’re an Embedded Engineer looking to work on impactful IoT products in a forward-thinking environment — KO2 would love to hear from you