Senior IoT Edge Engineer (Kotlin, Linux, OTA)

Gropyus Ag; Berlin (NH); On-site; USD 110,000 - 173,000; Full time

Job summary

GROPYUS is seeking a Senior Software Engineer freelancer to support a 10-month project focused on Smart Living and Smart Building technology stack. You will improve zero-touch provisioning, enhance monitoring, and build a BOS architecture PoC.

The role involves building and configuring Linux-based IoT and edge systems, device-to-cloud pipelines, and OTA updates, with 30-40 hours per week across EU.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Kotlin

Spring Boot

Linux

IoT protocols

BLE Mesh

MQTT

Edge computing

Kubernetes

PostgreSQL

Redis

Tools

PostgreSQL

Redis

Message Brokers

Kubernetes

OTel Collector

Job description

GROPYUS is seeking a Senior Software Engineer freelancer to support a 10-month project focused on Smart Living and Smart Building technology stack. You will improve zero-touch provisioning, enhance monitoring, and build a BOS architecture PoC.

The role involves building and configuring Linux-based IoT and edge systems, device-to-cloud pipelines, and OTA updates, with 30-40 hours per week across EU.