Ethan Sarp

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Senior Software Engineer

Dropbox

May 2022 - Current (4 years)

• Led the design and evolution of Dropbox's real-time file synchronization engine, ensuring consistent file state across millions of devices and globally distributed storage systems with fault tolerance and optimized network protocols. • Architected and scaled distributed backend services to process 25M+ file change events per day and handle petabyte-scale data transfers, enabling near real-time synchronization worldwide using technologies like Apache Kafka and Cassandra. • Redesigned the end-to-end sync pipeline and event processing architecture, reducing median file propagation latency by 45% and improving cross-device update performance to enhance the user experience. • Built high-throughput event-driven services supporting 100K+ concurr
Senior Software Engineer

Community Brands

Mar 2015 - May 2022 (7 years 3 months)

• Led the end-to-end modernization of a large-scale multi-tenant SaaS platform by transitioning from a legacy monolith to a cloud-native microservices architecture, serving thousands of organizations with improved scalability and maintainability. • Architected and delivered distributed backend services capable of handling millions of daily API requests with 99.9%+ availability, ensuring the platform could scale to meet growing demand. • Defined service boundaries and devised a migration strategy that enabled independent deployments across 20+ services, significantly reducing the release risk and enhancing development agility. • Migrated critical workloads to AWS, leveraging auto-scaling infrastructure to improve system stability during peak

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