Rain makes money flow more efficiently across the globe by rebuilding financial infrastructure. As a global card issuing and payments platform powered by stablecoins, we help partners launch and scale customizable, compliant programs that make digital assets instantly spendable at over 150 million merchants worldwide.

Drove production readiness initiative, creating services in Go and React, reducing average incident resolution time by ~55%, and lifting overall test coverage by 45%

Migrated critical services to a new user acceptance testing infrastructure environment, accelerating end to end test performance by 63%

Proposed and ran A/B tests on preapproval flow and analyzed results for statistical significance, increasing loan origination by more than $7M and revenue by over $560k

Incorporated a new design system in preapproval flow, boosting user activation by 12%

Automated internal Node package upgrade, slashing frontend bundle size by more than 81%

Improved average search performance by >650x by designing and implementing an asynchronous, event-driven, microservice search architecture using Golang, Rust, and React.js

Lessened downtime by 84% through migrating a Ruby on Rails monolith to a microservices-based architecture with unit tests and integration tests (Puma, Cloudflare, EC2, RDS, Golang, React.js)

Ramped up contributors >2x faster by creating a CI/CD pipeline with Travis CI, Github Actions, Docker containers, and AWS EC2

Organized a 4-month curriculum around AWS SageMaker for students using Predictive Analytics for social good (e.g. healthcare, income inequality, access to banks)

Coordinated a team of 6 in data transformation and visualization efforts with 400 GB of clinical data

Drove a research effort to use big data and machine learning to predict COVID-19 severity in Python (scikit-learn, Jupyter), producing black-box and interpretable models reaching >99% accuracy