Senior Software Development Engineer IOT Connectivity

Are you passionate about building the connected infrastructure that enables smart water solutions to communicate, adapt, and deliver real‑world impact? Join us in pioneering smarter solutions for moving and transforming water, reducing energy use, and improving quality of life.

As our Senior Software Development Engineer, you’ll design and develop robust IoT connectivity solutions that allow Grundfos products to seamlessly exchange data and deliver intelligent water management at scale. You’ll be part of an inclusive culture that values diversity, growth, and well‑being.

What You Will Do

• Design, develop, and maintain IoT connectivity software for embedded devices and cloud platforms using modern protocols (MQTT, CoAP, HTTP, BLE, Wi‑Fi, cellular)
• Architect scalable and secure device‑to‑cloud connectivity solutions ensuring reliable data exchange across product lines
• Collaborate with firmware engineers, cloud developers, and product managers to define requirements and integration strategies
• Drive technical decisions on protocol selection, security, and architecture while mentoring junior engineers
• Implement automated testing frameworks and CI/CD pipelines for production‑ready connectivity software
• Evaluate emerging IoT standards and technologies to improve performance, reliability, and energy efficiency
  
  

What Makes You a Great Fit

You are a hands‑on connectivity expert with deep knowledge of IoT protocols and embedded systems, passionate about building secure, reliable solutions at the intersection of hardware and cloud. Ideally, you have:

• 9+ years of software development experience in IoT connectivity, embedded systems, or distributed systems
• Strong proficiency in C/C++ with hands‑on experience implementing IoT protocols (MQTT, CoAP, BLE, Wi‑Fi, LTE‑M/NB‑IoT)
• Solid understanding of IoT security principles (TLS/DTLS, certificate management, secure provisioning)
• Experience with embedded Linux or RTOS environments
• Familiarity with cloud IoT platforms (AWS IoT Core, Azure IoT Hub, or similar) and device management at scale
  
  

Nice to have:

• Knowledge of edge computing frameworks and OTA firmware updates
• Experience with industrial protocols (Modbus, BACnet) or water/pump industry domain expertise
  
  

Why you’ll love working here

• Flexible hours, home working options, and parental support
• Annual bonuses, health insurance, and well‑being activities
• Three days’ paid leave for volunteering
• Access to on‑demand training and structured development programs
  
  

We are inclusive! We welcome applications from all abilities, experiences, and backgrounds.

Ready to unlock possibilities at Grundfos? Apply today!

Follow us on LinkedIn or visit grundfos.com to learn more.

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