IoT Engineer

About the role

SkyCell, founded in Switzerland in 2012, builds temperature-controlled containers and IoT connectivity for pharmaceutical supply chains. As IoT Engineer you will design embedded firmware for low-power devices, connect them via BLE, LoRa or Cellular, and build the cloud architecture and fleet management systems that run them at scale. You will work with firmware, hardware and cloud colleagues, shape CI/CD pipelines and help improve how the company builds and deploys. The role is based in Basel, with 50%+ time spent on-site.

Key responsibilities

• Design and implement embedded firmware for low-power IoT devices in C/C++ (RTOS or bare-metal)
• Integrate wireless communication technologies such as BLE, LoRa or Cellular
• Design, build and operate cloud-side ingestion pipelines and device fleet management systems for large-scale IoT deployments
• Contribute to cloud architecture designs for IoT integrations
• Implement secure and reliable OTA update mechanisms for remote firmware management
• Build and maintain CI/CD pipelines for firmware and cloud components (e.g. GitHub Actions)
• Troubleshoot complex system-level issues across device, connectivity and cloud layers
• Collaborate with firmware, hardware and cloud teams and contribute to architecture and process improvements

Required profile

• Degree in Electrical Engineering, Computer Science or a related field, or equivalent practical experience
• Experience developing embedded firmware in C/C++ (RTOS or bare-metal) and with common interfaces (I2C, SPI, UART)
• Experience with wireless protocols (BLE, LoRa or Cellular) and IoT protocols (MQTT, HTTP/REST, CoAP, Protobuf, JSON)
• Experience with cloud-based ingestion and fleet management systems at scale
• Experience implementing OTA updates in production systems
• Good written and spoken German and English

Required skills

• C/C++ for embedded firmware
• Wireless protocols: BLE, LoRa, Cellular
• Backend language such as Python, Go, Node.js or Java
• System-level debugging and problem solving

What we offer

• Flexible working hours and work-life balance
• Career advancement opportunities
• Flexible ways of working across Zurich, Zug, Hyderabad and Basel offices
• Company events and an onboarding program for new joiners
• Generous maternity and paternity leave, plus annual leave and bank holidays