Olli worked on the home-assistant/brands repository over a two-month period, focusing on both user interface consistency and data durability. In May 2025, Olli delivered visual asset support for the Enpal webparser integration, implementing icon and logo binary assets to ensure accurate UI rendering and brand fidelity. This involved asset management and Git-based collaboration to maintain consistent branding. In February 2026, Olli integrated Cloudstash S3 backup, enabling reliable backup and retrieval for S3-backed assets and improving data recovery capabilities. The work was implemented using Python, with a focus on cloud integration and data backup, demonstrating targeted, feature-level engineering depth.