Jessica Gray Email and Phone Number

Our team focuses on trust. We build systems to detect and respond to potential fraud threats, provide outstanding tools to agents for investigating fraud events, and give our customers seamless web and mobile experiences to manage and fight payment disputes.Protects Square and merchants’ $200B+ in annual payments from fraud and payment disputes. Lead multiple teams in cross-organizational and cross-functional fraud fighting efforts.Leading multiple remote teams and leads in fraud fighting efforts with individual engineers based in the US, Canada, Mexico, Ireland, and UK.

Lead a new team of 4 developers to make Sift’s Petabyte-scale data easy to use, understand, and communicate.* Identified and implement over $80k/month savings in 6 weeks via data colocalization efforts and a review of batch data processing related expenses with business partners.* Complete build out of model training GCP infrastructure and organize ownership handover through documentation and cross-training in the migration process.* Hired 2 developers and onboarded remotely.GCP, BigTable, BigQuery

Lead two teams of 3-4 developers each in Seattle and San Francisco owning the end-to-end platform for production ML model training, monitoring, and serving.* Cut offline training to deployment time by 2/3rds and initial 25% of time savings.* Responsible for safe migration of offline training and model serving to GCP.* Saved $100k+ month in cross cloud data transfer and duplicated storage costs with analytics processing migration.* Also owned systems for business analytics tooling, privacy, compliance, and billing.Lead a tiger team of up to 6 developers for 9 weeks to improve engineering-wide handling of operational incidents, halving the rate of incidents.Organized Sift 2019H2 Hackathon.Java, Python, Airflow, Spark

Focuses included user focused system design, privacy and data retention in a distributed data processing pipeline, scaling and development within existing distributed systems / data processing pipelines, coordinating and building cross-feature efforts with distributed teams.Managing Marketing Console GDPR engineering efforts with a geographically distributed development team spanning multiple products.https://www.tune.com/gdpr/Coordinated cross-team 8 developer effort for 8 week turnaround partner integrations.https://www.tune.com/blog/obliterating-click-injection-fraud-android/Led a team of 3 developers in effort to support a 1000x increase in throughput for preparing and pushing in app messages, including personalized messages and A/B testing support.https://www.tune.com/solutions/tune-marketing-console/in-app-marketing/Scala, Cassandra, Python, Ruby, Go

Built Google services to support an experimental low bandwidth version of Chrome. Includes Chromium contributions, though project was wound down and deleted Jan 2017 - jessicag@chromium.org.Go, C++, Docker

Client-side (Chrome, Google Earth, etc.) and mobile application crash collection, aggregation and report generation at Google scale. https://www.chromium.org/developers/crash-reportsAreas of personal technical contributions included privacy & access control, replication & failover, resource planning, deployment, and coordination with key partner teams. Implemented refactoring that allowed team to support physically separated internal and external data processing pipelines for integration with Firebase.Included shared maintenance responsibilities for the open source breakpad client. https://chromium.googlesource.com/breakpad/breakpad/C++, Bigtable, Dremel (BigQuery)

Rebuilt employee datastore on modern NoSQL service for greater availability and easy of integration. Focus was on documentation, deployment, auditing, and monitoring set up to bring storage solution to launch.

https://en.wikipedia.org/wiki/IGoogleInternationalization and localization engineering lead for iGoogle. Other major areas of contributions include Universal Gadgets API, and the gadget directory.