Grant Chiu

Mountain View, CA

October 2024 - Present

Built and launched Daily Digest, an AI-powered daily email aggregating action items, summaries, and upcoming meetings into a personalized productivity view
Optimized a high-traffic API powering the product's main navigation, improving latency by 60% and significantly reducing database load through query and serializer refactoring
Drove DB migration and data-lifecycle work, removing ~80% of ephemeral data and reducing database load through safe table decoupling and purge execution
Primary backend owner of Otter's email infrastructure, managing multiple high-volume email surfaces with complex business logic, scheduling, experimentation, and suppression rules
Contributed to a side-by-side LLM evaluation project that enables users to compare and choose between multiple AI-generated meeting overviews
Served as frontline KTLO owner for our team, resolving production issues and maintaining reliability across critical product paths
Mentored engineers on backend systems, improving onboarding speed and increasing team autonomy

San Jose, CA

March 2024 - October 2024

Developed full stack applications with React, Node.js, and Express to create internal tools used daily across the global production line
Implemented GraphQL with Apollo Server to streamline data fetching and improve API efficiency
Managed and deployed Kubernetes on a bare metal server, transitioning the deployment management from Ansible to Helm
Increased unit test coverage to over 95% for most of the existing projects using Jest
Refactored legacy codebase with modularization and simplifying complex code logic, reducing technical debt
Created a CI/CD pipeline using Drone CI to automate deployment and testing of applications, ensuring minimal downtime delivery
Debugged and resolved critical production-level bugs, resulting in a reduction in system downtime and improved application stability
Designed and maintained database services utilizing MariaDB and ScyllaDB, implementing Galera Cluster for syncing, ensuring high availability and data consistency across multiple countries
Designed, planned, and built a comprehensive development environment for local testing through Docker containers

San Francisco, CA

November 2021 - March 2023

Optimized extraction algorithms to increase recall and precision rates by 20% for Google OCR data
Integrated and tested a new API product that accurately calculates applicant income from various documents
Ensured 100% data accuracy for incoming client information by designing and implementing a RESTful API validator
Worked on the seamless transition from a monolithic single deployment code base to a microservices architecture
Developed and maintained Terraform configurations for consistent and reproducible deployments across environments
Implemented customized metrics for each microservice using AWS CloudWatch, enabling real-time monitoring with dashboards

Remote - St. Louis, MO

May 2021 - Aug 2021

Automated new hire workflow through Java microservices to optimize and expedite the onboarding process for employees
Utilized Google Cloud Platform’s Firebase, Cloud Firestore, and Kubernetes for secure information storage
Created unit tests for each microservice using JUnit and Mockito, improving workflows by ensuring reliability and security

Remote - Chicago, IL

Aug 2020 – May 2021

Developed a web application in Angular that calculates each employee’s bonus based on a value-cost projection
Integrated and tested API backend services for the web app using HTML, CSS, TypeScript, and Postman, ensuring seamless functionality and user experience

Work Experience|Education