IoT & Cloud

Designing IoT systems that last

ClunkyMachines brings clarity, resilience, and scalability to connected products. Led by Julien Vermillard (20 years in IoT), we operate as a consulting firm guiding teams from idea to industrial rollout across embedded software, security, connectivity, cloud engineering, and web/mobile experiences.

Firmware Architecture Cloud & OTA
Featured insight

From the blog

The latest field note on LwM2M, LPWAN telemetry, and IoT delivery strategy.

Selected work

Projects that shipped

Snapshots of recent engagements.

Tado°

Device-to-cloud connectivity and scalability, cloud modernization for consumer heating systems.

Scale Cloud

Trailpulse

Connectivity architecture: CoAP setup and getting started.

Connectivity CoAP

AetherRF

MQTT connectivity for industrial microcontrollers, with X.509 mutual authentication on NRF54L15.

MQTT X.509

EDF R&D

Open-source strategy around LwM2M: Zephyr and Leshan expertise with community engagement.

LwM2M Open source

Ready to de-risk your IoT rollout?

Share your constraints and timeline. We’ll respond with a concrete plan for the next two sprints.