• Led technical direction for a 6-person cross-functional team building React Native, React, Node.js, and TypeScript applications on Firebase, used daily by thousands of parents and childcare providers.

• Rebuilt the mobile release and CI/CD process, automating builds and publishing to TestFlight and Google Play.

• Upgraded React Native, Expo, and 20+ third-party dependencies to support current iOS and Android SDKs.

• Reduced weekly support volume by 90%, from 30+ issues to near-zero through focused stabilization efforts.

• Architected and led development of a Postgres-backed Payments API with TypeScript, Node.js, and NestJS, replacing Stripe Invoicing with an in-house invoicing flow built on Stripe Payment Intents.

• Drove ~$100k in annual savings by eliminating Stripe’s 0.4% fee and enabling processing-fee pass-through.

• Safely migrated customers to the new payments system through feature-flagged rollout and reconciliation.

• Owned on-call escalation for high-severity payments issues, delivering durable fixes across Stripe workflows.

• Built web and mobile apps in React, React Native, and TypeScript, enabling producers to compose scenes from presenter WebRTC streams and broadcast to audiences of 100k+ on custom-designed event pages.

• Developed Node.js REST and GraphQL APIs with Express, TypeScript, PostgreSQL, and Redis, and scaled them on AWS using EC2, Auto Scaling, and ELB to handle traffic spikes at the start of events.

• Provided on-site engineering support for major productions (e.g., Nike, Levis), resolving real-time issues and shipping fixes under live-event constraints.

Led development of a custom internal CRM using Angular, TypeScript, ASP.NET, and SQL Server, integrating DocuSign to automate contract-driven project transitions and avoid $100k+ in annual third-party software costs.

Developed a PC calling and messaging client for Hewlett-Packard devices, integrating Intel connectivity technology into Android (Java) and Windows (WPF) applications.