In my cases, there were two practical stages.
The first was to fix some issues in a real project, like you would in a real scenario, interacting with Slack, GitHub comments, etc.
The second was more of a planning and high-level architecture for a feature.
There were some questions about security. These involved finding security issues in code and relating them to OWASP Top 10 security risks.
The following metrics were computed from 1 interview experience for the Automattic Senior Software Engineer (Frontend, JavaScript) role in Madrid, Spain.
Automattic's interview process for their Senior Software Engineer (Frontend, JavaScript) roles in Madrid, Spain is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Automattic's Senior Software Engineer (Frontend, JavaScript) interview process in Madrid, Spain.