Andy Tu

Senior Software Engineer

Stripe

May 2024 - Current (2 years)

• Improved Stripe Checkout by adding new payment methods and optimizing routing logic, using React, Node.js, and GraphQL to increase conversion rates for international merchants. • Enhanced Stripe Dashboard reporting with TypeScript, PostgreSQL, and BigQuery, cutting report generation time nearly in half and giving merchants faster access to revenue insights. • Built an AI-powered anomaly detection service with Python, AWS Lambda, and the OpenAI API that flagged unusual payment patterns and surfaced recommendations directly in the Dashboard. • Revamped API onboarding flows with OAuth, Node.js, and PostgreSQL, adding real-time validation and guided quickstarts to reduce time to first live transaction by around 30%. • Partnered with prod

Senior Software Engineer

Riot Games

Mar 2023 - Mar 2024 (1 year 1 month)

• Architected real-time data pipelines for TFT esports events using Python and AWS Kinesis, powering live overlays and analytics for 100k+ viewers with 99.9% reliability. • Designed and shipped the Esports Command Center using React, Node.js, and PostgreSQL to automate game setup workflows, reducing manual configuration time by 80%. • Developed real-time tournament stat ingestion and validation system, improving match data reliability by 50% during the TFT Vegas Open. • Standardized design review processes across 5 teams, improving cross-team alignment and reducing design cycle time by 30%.

Senior Software Engineer

Asana

Oct 2021 - Mar 2023 (1 year 6 months)

• Led cross-platform development of Asana Desktop App features with Electron and TypeScript, boosting daily active usage by 15% across macOS and Windows. • Launched a Pomodoro productivity feature with Slack integration using Node.js and WebSockets, increasing task completion rates by 15% for 50k+ users. • Overhauled deployment pipelines to support Apple M1 Macs and auto-update workflows, reducing release installation times by 50%. • Partnered with product design to ensure accessibility compliance and cross-platform consistency, achieving a unified experience and 100% accessibility adherence.

Software Engineer II

Uber

Aug 2018 - Oct 2021 (3 years 3 months)

• Delivered global contactless drop-off flows using React Native and Go services during COVID-19, ensuring safe operations for millions of drivers with 100% compliance. • Expanded Uber Eats to grocery and pharmacy deliveries by developing workflows in Java and Kafka, driving a 25% increase in orders within the first year. • Integrated Postmates into the Uber Eats ecosystem, unifying logistics for partners like Apple and Walmart, leading to a 20% surge in delivery volume. • Engineered and maintained tipping and loyalty system backend in Java and MySQL, processing $100M+ annually with 99.9% uptime and zero payment errors.

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