Clarify decisions. Move Entrodiag forward.
An audit that informed the next decisions, followed by hands-on support for Entrodiag’s development.
Explore the workIndependent hardware engineer · Lyon, France
Your prototype proved the idea.
Now let’s make it a product.
I work with founders, CTOs and engineering teams on reliability, integration and production readiness. Electronics, embedded systems and IoT: focused audits, development sprints and fractional hardware leadership.
Product experience, at every scale.
Selected work
Real decisions.
Real products.
Three different contexts. One common thread: connecting technical choices to what the product needs to do.
From radio bench to product demonstrator.
Two modules, firmware and diagnostic tools to explore luggage monitoring, then integrate the system into a demonstrator people can handle.
Explore the work
The electronics behind ScanWatch 2.
Electronic hardware lead on ScanWatch 2: sensor integration, low-power design and production support.
Explore the workHow I help
The expertise for
the right moment.
Audit.
Your product behaves unexpectedly, or a validation stage is approaching.
Focused audit · findings and priorities
Explore this serviceDevelop.
You need to turn a technical principle into something you can test.
Development sprint · agreed scope
Explore this serviceCoordinate.
Technical choices and engineering disciplines need to move together.
Fractional hardware leadership
Explore this serviceAbout
Walid Rafik.
By your side, from diagnosis to product.
Hardware architecture, electronics and IoT.
An independent electronics engineer, I work directly on your product: diagnosis, architecture choices, embedded development and technical coordination.
After seven years at Withings, from 2016 to 2023, I now support teams building connected products, wearables and industrial equipment.