Software Engineer · Full-Stack, APIs & Integrations

Maintain and extend a production platform (.NET 9, Angular, PostgreSQL) serving 12,000+ users across roughly 1,000 schools. Built an SSO integration (SAML/OIDC) with an external education platform, verified with an automated end-to-end suite covering 100+ scenarios. Ship client-reported fixes and features in tracked batches (30-40 items/sprint), verified on staging before production. Rebuilt transactional email flows and wrote isolated integration tests with TestContainers.

Build REST APIs and backend services on Node.js and MongoDB, with a React frontend deployed on Firebase and Render. Integrated OAuth wearables (Oura, Whoop, Apple Health) with encrypted token storage and nightly resync jobs. Built an AI health-scoring engine across 6 clinical domains and a multi-format PDF extraction pipeline validated against clinical reference ranges.

Run 10+ n8n automation workflows in production (557+ hours delivered), handling webhooks, third-party API integrations, and error handling for 24/7 reliability.

Shipped a live Shopify store end to end: 80+ custom theme sections, 10+ launch-blocking issues resolved, Klaviyo email flows, and Liquid notification templates.