Saad Lakdawala worked on the internetarchive/openlibrary repository, delivering a blog feed cache timeout optimization that increased the cache time-to-live from five minutes to one day. This backend development effort, implemented in Python, focused on cache management and tuning cache refresh intervals to reduce backend load and improve blog feed response times. Saad carefully managed the release, ensuring system stability with no critical bugs introduced during rollout. The change improved scalability and performance, particularly during high-traffic periods, by lowering cache refresh frequency. The work demonstrated skills in caching strategy, TTL configuration, and safe deployment practices within a production environment.