Research & Development
Senior Software Development Engineer, IOT Connectivity
Job Description

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.
Information at a Glance

Job details

Workplace:  Hybrid (office and home-working)
Job Location:  Chennai, Tamil Nādu, India
Contract Type:  Full-Time
Employment Type:  Regular
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About Grundfos

Grundfos is one of the world’s leading water technology companies with more than 19.000 employees in 60+ countries all over the world. Our skills commit us to pioneering solutions to the world’s water and climate challenges and improve the quality of life for people. We dare to do things that others cannot or dare not do, as we believe innovation is not only a business opportunity, but an obligation. And what really matters to us is not short term profit, but the impact we make. By becoming part of our united powerful team, you too can drive this change no matter your role.

An inclusive team

We believe that the key to a work environment, where employees thrive and grow, is our ability to celebrate and value our differences in background, experiences and perspectives. In our recruitment process we welcome all professional people without consideration of age, colour, gender identity, national origin, physical or mental disability, ethnicity or religion.

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