During September 2025, Mikko Virkkunen focused on backend development and database management for the TampereHacklab/mulysa repository. He addressed a critical issue in the database initialization and migration process by implementing a robust startup sequence in Python, ensuring the database was fully prepared before any access occurred. This approach eliminated failures during initial migrations and reduced deployment downtime, particularly in fresh environments. Mikko’s work improved reliability and resilience across different deployment scenarios, supporting smoother onboarding for new instances. His efforts demonstrated depth in reliability engineering and risk mitigation, delivering a stable foundation for future development and ongoing database migrations.