# Preeti Viswanathan > Software Engineer Location: San Francisco Bay Area, United States Profile: https://flows.cv/preetiviswanathan ## Work Experience ### Software Engineer @ Folia Health: The Home-Reported Outcomes Company Jan 2024 – Jan 2026 | Boston, MA ### Software Engineer @ Actium Health Jan 2020 – Jan 2023 | San Francisco Bay Area Data intelligence tools for health systems to optimize patient engagement • Constructed scalable architecture with Python, AWS Lambdas, and Kafka to integrate with a third-party EHR API for processing millions of real-time clinical records. Increased efficiency of onboarding new clients by 20%. • Built data ingestion pipelines using Python and AWS Lambdas for ingesting 100M+ daily rows of patient and appointment data. Resulted in onboarding 3X more clients. • Replaced an expensive legacy product with a modern application for health system call agents. Participated in all aspects of fullstack feature development using React, TypeScript, GraphQL, and SQLAlchemy. Launched beta version in less than 2 quarters. • Facilitated seamless collaboration across departments to release new features while maintaining product usability across 15 major health systems. ### Software Engineer @ Rumbleship Financial Jan 2018 – Jan 2020 | San Francisco, California, United States A BNPL (Buy Now Pay Later) engine for wholesale payments between buyers and suppliers • Accelerated new customer onboarding by 50% through the implementation of internal dashboards with Vue.js and Axios, empowering sales teams. • Improved scalability of order and transaction system by architecting 2 new microservices, reducing bugs at critical points in the order lifecycle. • Maintained robust testing standards by writing Jest tests for GraphQL and RESTful APIs, boosting microservices test coverage by 70%. • Eliminated inconsistencies in transaction amounts charged to customers by creating a new data model. Built APIs and services using TypeScript, Node.js, and GraphQL. ### Software Engineer, Co-Creator @ CorvoStore Jan 2017 – Jan 2017 | Remote CorvoStore is an in-memory, key-value database store inspired by Redis and written in JavaScript and Node.js. • Developed in-memory key-value data store inspired by Redis. Created core underlying LRU data structure that meets time-complexity benchmarks for O(1) operations. • Engineered a server matching Redis command API, ensuring seamless interoperability with Redis command-line interface. • Designed underlying data structures for storing 5 data types as values. Achieved time complexity parity with corresponding data types in Redis for operations. ## Education ### Bachelor's degree in Neuroscience Wellesley College ## Contact & Social - LinkedIn: https://linkedin.com/in/preeti-viswanathan --- Source: https://flows.cv/preetiviswanathan JSON Resume: https://flows.cv/preetiviswanathan/resume.json Last updated: 2026-03-20