Andres worked on the Ensembl/public-plugins repository, focusing on improving the onboarding process and documentation clarity. He developed an account registration enhancement that enables users to resend activation emails and implemented input validation to ensure only Latin characters are accepted, addressing both user experience and data integrity. Using Perl and HTML, Andres also removed outdated documentation related to gene regulation access, reducing confusion for new users. His work combined backend development, form validation, and user authentication, resulting in a more robust onboarding flow and clearer documentation. The changes addressed both technical and usability issues, reflecting thoughtful attention to user adoption challenges.