Freelance IoT Software Engineer (all genders)

gropyus· Product Operations
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📍 Berlin, Berlin, Germany

About this role

About The Company

GROPYUS is a technology-based construction company focused on building multi-story residential buildings. Thanks to its prefabricated building system with various design options, industrial offsite construction, and fully digitalized processes, the company manufactures aspirational, sustainable, and affordable homes using timber construction methods. GROPYUS is using scalable construction and manufacturing solutions to tap into a future market, boost Europe's strength in innovation, while also playing a substantial role in improving sustainability.

About the role 

We are looking for a Senior Software Engineer freelancer to support GROPYUS on a 10-month project focused on our Smart Living and Smart Building technology stack. 

  • Improve zero-touch provisioning [Kotlin, Spring Boot, Linux, BLE / Bluetooth Mesh] 
  • Enhance monitoring capabilities [BLE / Bluetooth Mesh, Grafana, Prometheus, OTel Collector, Spring Boot] 
  • Build a Proof of Concept for the new BOS Architecture based on the defined functional requirements 

The project is open to freelancers based anywhere in the EU, with an expected availability of 30–40 hours per week. 

What you will be doing 

  • Build and configure Linux-based IoT and edge systems for smart homes and smart buildings 
  • Develop device-to-cloud communication pipelines for telemetry, control, and automation 
  • Work on edge computing components running on embedded Linux systems 
  • Implement and support device lifecycle management: provisioning, configuration, monitoring, and OTA updates 
  • Build internal tools and automation for IoT fleet operations and diagnostics 
  • Ensure system reliability, security, and observability across edge and cloud layers 
  • Collaborate closely with Product, Hardware, Platform, and Software teams 

About you 

  • Strong experience with Linux-based systems in production environments 
  • Knowledge of IoT connectivity technologies (BLE, LoRaWAN, WMBus) 
  • Hands-on experience with IoT protocols such as MQTT,  
  • Hands-on experience with embedded systems or edge computing 
  • Solid understanding of distributed and event-driven architectures 
  • Proficiency in Kotlin 
  • Experience with containers, cloud platforms, and infrastructure components (e.g. PostgreSQL, Redis, message brokers, K8s clusters) 
  • Experience with telemetry, streaming data, and time‑series data 
  • A collaborative mindset and willingness to take ownership 

Nice to have 

  • Experience with embedded Linux, OTA systems, or secure device identity 
  • Knowledge of observability and monitoring across edge and cloud systems 

Join us on our mission to design buildings as continuously evolving products to create the most exciting and affordable experience for all. We build for people and conserve the resources of our planet.

We can't wait to get to know you. 
For more information, visit our website.

Frequently Asked Questions

Is the salary disclosed for the Freelance IoT Software Engineer (all genders) position at gropyus?
The salary for this Freelance IoT Software Engineer (all genders) role at gropyus is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Freelance IoT Software Engineer (all genders) position at gropyus located?
This Freelance IoT Software Engineer (all genders) role at gropyus is based in Berlin, Berlin, Germany. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Which team or department does the Freelance IoT Software Engineer (all genders) at gropyus belong to?
This Freelance IoT Software Engineer (all genders) position is part of the Product Operations department at gropyus. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Freelance IoT Software Engineer (all genders) position at gropyus?
Click the "Apply Now" button on this page. You will be redirected to gropyus's official application portal hosted on greenhouse where you can submit your application directly.
When was the Freelance IoT Software Engineer (all genders) job at gropyus posted?
This Freelance IoT Software Engineer (all genders) position at gropyus was posted on Sep 2, 2026. Apply as soon as possible — early applications are often reviewed first.
Freelance IoT Software Engineer (all genders)
gropyus
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