There are 2 positions open in Paris. Primary location is CampusCyber a new public-private center for cybersecurity in La Defense.
The main goal is to develop Rust modules in RIOT, including substantial rewrites providing Rust-based alternatives for core RIOT modules. The perspective is to soon provide RIOT configurations that are predominantly Rust-based, and more inherently geared towards cybersecurity.
For applications and more information see here.