PW / 2026
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PW / Product engineer

Applied AI, product design, and full-stack engineering from Paris.

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© 2026 Philipp WidenfelsParis / CET

Project index / live evidence

Work that left the prototype.

Product strategy, interface decisions, applied AI, and production engineering shown through the things people can actually open and use.

LearnThatUI daily challenge with an interactive mobile interface specimen
Live2026

LearnThatUI

A daily visual workout that teaches product-design vocabulary through interactive interface specimens instead of a static glossary.

A complete learning product shipped during OpenAI Build Week 2026.

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infr4map dashboard showing cloud resources and provider health
Open source2026

infr4map

A local-first map that discovers cloud resources and shows how repositories, deployments, domains, and infrastructure connect.

Turns a scattered multi-cloud estate into one explorable system map.

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Le Tilleul restaurant website showing its garden terrace
Live2026

Le Tilleul

A digital platform for a family-run restaurant: a production website, an editor the team can use, and a private operational finance widget.

A public customer experience and an internal owner tool, delivered as one system.

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n0n0gram daily puzzle and player statistics interface
Live2026

n0n0gram

A polished browser puzzle with a fresh daily grid, free play, a puzzle library, rankings, and persistent player progress.

A complete consumer game loop, from onboarding to repeat daily play.

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Active lab work

OpenClaw

An ongoing exploration of useful, always-available personal agents.

MLX Speech Converter

A practical path toward local voice interaction without an NVIDIA runtime.