Senior Software Engineer - IoT (all genders)
External
Gropyus · Berlin, GermanyPrepare for this interview
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About the role
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. As a Senior Software Engineer (f/m/d), you will be part of a high-impact team designing and enabling our GROPYUS Smart Living and Smart Building experience through scalable systems. You will design and operate the technical backbone of our smart buildings. You'll work across embedded Linux systems, IoT connectivity, and cloud services , enabling reliable operation of large fleets of connected devices. You will take ownership of critical systems that turn buildings into intelligent, data-driven environments-bridging the gap between edge devices and cloud platforms.We build cross-collaborative and diverse teams that focus on products and are not tethered by ancient legacy systems or reporting structures.
Responsibilities
- Design, build, and operate Linux-based IoT and edge systems for smart homes and smart buildings
- Develop and maintain device-to-cloud communication pipelines for telemetry, control, and automation
- Work on edge computing components running on embedded or industrial Linux systems
- Contribute to the Building Digital Twin , translating real-world building signals into reliable digital state
- 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
- Drive architectural decisions and contribute to technical roadmaps
- Collaborate closely with Product, Hardware, Platform, and Software teams
- Mentor junior engineers and promote best practices in testing, CI/CD, and automation
- About You
- Strong experience with Linux-based systems in production environments
- Knowledge of IoT connectivity technologies (Wi‑Fi, BLE, Zigbee, Thread, LoRaWAN, NB‑IoT, 5G)
- Hands-on experience with IoT protocols such as MQTT, CoAP, WebSockets or building standards like Matter, KNX, BACnet, Modbus, Z‑Wave
- Hands-on experience with IoT, embedded systems, or edge computing
- Solid understanding of distributed and event-driven architectures
- Experience operating systems with large fleets of connected devices
- Proficiency in Kotlin, Python, TypeScript
- Experience with containers , cloud platforms, and infrastructure components (e.g. PostgreSQL, Redis, message brokers)
- Experience with telemetry, streaming data, and time‑series data
- A collaborative mindset and willingness to take ownership
Requirements
- Experience with embedded Linux , OTA systems, or secure device identity
- Knowledge of observability and monitoring across edge and cloud systems
- Experience in smart buildings, energy, HVAC, or automation domains
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