I can't know my contributions before I deliver value. I'll update this when I deliver value or travel through time.

* Led the on-call team. Reduced incidents by 36% and cut detection and mitigation times by over 50%.

* Designed and implemented a novel video quality scoring system that beyond 300k video calls per hour, providing visibility into key user metrics for the first time in the product's history.

*Elevated the success rate of telemedicine visits from ~70% to 96% by enhancing the application's observability and redesigning portions of the user experience with a team of up to 10 engineers.

* Prevented 62% of accessibility violations by developing an accessibility-first component library.

* Enabled the creation of performant-by-default user experiences by implementing and promoting a GraphQL client with a shared cache, automatic query batching, and field-level deduplication. Improved SPA render time by ~40%, improved front-end cycle time by ~20%, and greatly improved developer morale.

* Reduced deploy time by 48% by parallelizing selective compilation in the cloud.

* Introduced static analysis, including custom i18n tools, to reduce bugs by ~5%.

* Cultivated unit testing culture across 30 engineers, increasing code coverage from 20% to 65%.

* Pioneered JavaScript incremental migration tools distributing 2 man years of work over 5 calendar years.

* Championed the migration from SSR to SPAs by mentoring 10 new engineers across 4 projects.

* Reduced a SPA's startup time by 52% in 1 month and emerged as a team knowledge resource.

* Reproduced Medicare's logistic regression models for hospital readmissions and mortality rates.

* Designed, implemented, and maintained databases for sleep apnea and cubital tunnel trials.