Lead migration of profile photo data.

Did product and technical discovery, analyzed current user experience, gathered basic performance data, and created technical strategy and roadmap to help team take ownership of invitations feature.

Lead migration of referral evaluation logic, improving ease of modification and observability.

Design and lead development of new audience membership system from data ingestion to analytics. Lead downtime-free data migration, validating new system's data was of equal or better quality.

Lead efforts to reduce noise for on-call team, leading to a 50% decrease in the number of escalations without an increase in false negatives.

Reduced infrastructure costs by 16% through careful analysis of cloud service costs to identify inefficiencies.

Lead engineering within Button's Tap business unit, responsible for everything from the product process to project management to system quality and correctness.

Rewrite transaction creation and publisher notifications to help complete order pipeline rework. Design affiliate network integrations and develop affiliate network notifications and logic for handling affiliate network links.

Lead four person team responsible for design and development of an account creation and upgrade pipeline and an audience creation and syndication platform.

Improve latency of data sampling system by approximately 90%, which made it feasible to scale the system to process the entire data stream and lead to improved data deduplication. Improve latency of device scoring task by approximately 50% at median (and 80% for the slowest events), enabling company to fulfill its goal of evaluating each active device once per day.

Design and develop internal metrics reporting library. Design and develop dynamic data persistence verification subsystem for distributed data access system. Improve user segmentation data quality by finding and eliminating unnecessary rate limiting on recently updated keys. Selected to receive departmental award for my work by peers. Organize tech talks series for development organization. Replace legacy ad auction data ingestion system by integrating with new data pipeline framework, increased amount of data processed by approximately ten times. Design and develop microservice to prevent ingestion of data from blacklisted sources with 99th percentile latency of under a millisecond.