Senior Frontend in an employed role.
This case shows product-minded frontend work in a demanding technical domain without exposing confidential details.
Platform21 is publicly described as a virtual test workbench for digital railway signaling, including simulators, distributed lab and configuration management.
Many system states, technical roles and simulation scenarios increase cognitive load. The interface needed robust patterns for orientation and status.
Component-based web interface with consistent navigation, status and interaction patterns, built in close team collaboration.
In technical products, status communication is often more important than visual novelty.
Even without confidential screens, it is possible to show what kind of complexity was handled.
The UI had to represent technical workflows so different roles could stay oriented and act.