Taking a career break for full-time parenting while independently building SquaddUp, an activity companion app released on iOS and Android.

• Published SquaddUp on the App Store and Google Play, with map-based activity discovery, group chat, trust scores, recurring events, and safety controls.
• Built its cross-platform mobile client and supporting product stack with Expo React Native, Elysia and Bun, PostgreSQL and PostGIS, Stripe, and Terraform.

Billing platform engineering across point-of-sale terminals, web APIs, vendor integrations, and PCI compliance.

• Owned billing-platform transaction paths across point-of-sale (POS) terminals and web APIs processing $2 billion in annual payment volume, achieving PCI-DSS Level 1 compliance.
• Built Adyen and Ingenico/Worldline payment integrations supporting one-time and subscription billing across 1,000+ retail stores in LATAM, EU, and APAC.
• Designed reusable payment-integration abstractions that simplified integration for internal teams and external clients.
• Engineered the stack with TypeScript, React, Node.js, and MySQL, deployed via Docker on AWS.

Consulting role focused on healthcare system modernization, vendor integrations, and cloud migration.

• Led healthcare-system modernization and cloud migration as lead consultant, remediating and extending legacy C# and PHP applications serving 26,000 nurses and caregivers.
• Containerized delivery with Docker and built continuous integration/continuous delivery (CI/CD) pipelines to AWS (Concourse, Terraform), improving release quality and deployment speed.
• Delivered 2 internal Electronic Visit Verification (EVV) integrations meeting state and federal nursing-visit compliance mandates.
• Re-architected a local-store API model into centralized AWS cloud infrastructure, enabling scalable access across sites.

Full-stack modernization of a legacy healthcare portal with React and Spring-based REST services.

• Drove full-stack modernization of a legacy healthcare portal serving 1,000+ users, replacing outdated workflows with a React frontend and Spring 5 RESTful services.
• Implemented IdP-initiated single sign-on (SSO) using OAuth tokens and JWTs for secure external authentication.
• Upgraded backend microservices from Spring Boot 1.5 to 2.1 and established application logging and monitoring via New Relic.
• Championed Test-Driven Development (TDD) using Enzyme within an Agile sprint environment.

Developed COBOL mainframe and client-server applications for the Global Foreign Exchange group while driving internal banking-security initiatives.