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I am a Senior Mobile Engineer transitioning to React Developer, specializing in React Native for cross-platform applications. I’ve led complex projects, notably architecting a React Native doctor appointment app that reduced consultation prep times and improved clinician decision support. I excel at integrating frontends with GraphQL backends, leveraging Firebase analytics and CI/CD automation to deliver reliable, scalable mobile solutions.…I am a Senior Mobile Engineer transitioning to React Developer, specializing in React Native for cross-platform applications. I’ve led complex projects, notably architecting a React Native doctor appointment app that reduced consultation prep times and improved clinician decision support. I excel at integrating frontends with GraphQL backends, leveraging Firebase analytics and CI/CD automation to deliver reliable, scalable mobile solutions.

William Thompson

App Developer, Web Developer, Front-End Developer, +2

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I am a Senior Mobile Engineer transitioning to React Developer, specializing in React Native for cross-platform applications. I’ve led complex projects, notably architecting a React Native doctor appointment app that reduced consultation prep times and improved clinician decision support. I excel at integrating frontends with GraphQL backends, leveraging Firebase analytics and CI/CD automation to deliver reliable, scalable mobile solutions.…I am a Senior Mobile Engineer transitioning to React Developer, specializing in React Native for cross-platform applications. I’ve led complex projects, notably architecting a React Native doctor appointment app that reduced consultation prep times and improved clinician decision support. I excel at integrating frontends with GraphQL backends, leveraging Firebase analytics and CI/CD automation to deliver reliable, scalable mobile solutions.

Available to hire

I am a Senior Mobile Engineer transitioning to React Developer, specializing in React Native for cross-platform applications.

I’ve led complex projects, notably architecting a React Native doctor appointment app that reduced consultation prep times and improved clinician decision support. I excel at integrating frontends with GraphQL backends, leveraging Firebase analytics and CI/CD automation to deliver reliable, scalable mobile solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Mobile Developer at BayCare

March 1, 2022 - November 1, 2025

Architected and developed cross-platform doctor appointment & decision support app using React Native + Expo with GraphQL APIs, improving query efficiency and reducing consultation prep times. Designed backend GraphQL schemas and integrated caching strategies, improving mobile response times by 30%. Built hybrid apps with Angular, Ionic, and Native Script to ensure consistency across clinics. Integrated Bluetooth/Wi‑Fi medical device connectivity, enabling seamless data sync from patient devices. Led a 5-member team through full app lifecycle, including releases on App Store and Google Play. Managed TestFlight beta program with 1,000+ testers, enhanced analytics with Firebase, and streamlined CI/CD with Fastlane. Mentored juniors and expanded test coverage with Jest, Mocha, and XCTest. Implemented HIPAA‑compliant mobile architecture and optimized Angular interfaces.

Mobile Application Developer at Zubie

November 1, 2017 - February 1, 2022

Rebuilt core fleet-management app with Flutter, delivering a single cross-platform codebase for iOS and Android, reducing development time and crashes. Implemented modular Flutter architecture; built serverless APIs with AWS Lambda, API Gateway, and DynamoDB; designed GraphQL APIs to reduce over-fetching. Integrated Stripe for subscriptions and Firebase for auth, analytics, and real-time updates. Collaborated with design and QA for beta testing and A/B testing, improving satisfaction and subscriptions. Automated API testing with Jest; integrated AWS SNS for push notifications with high delivery success. Added offline-first data caching to improve reliability in low-connectivity areas. Mentored two juniors and contributed to GitHub Actions and Fastlane CD pipelines; added Firebase Crashlytics and Sentry monitoring.

Mobile Developer at OpenLogix

August 1, 2014 - September 1, 2017

Developed instant messaging and e-learning apps using Java (Android) and Objective-C/Swift; migrated legacy Objective-C to Swift; introduced early GraphQL adoption to replace REST APIs; implemented unit, integration, and UI tests; enhanced security with end-to-end encryption; used Firebase for crash reporting and analytics. Introduced Docker for backend services and explored Kubernetes. Worked in Agile sprints with Jira; mentored junior developers and contributed to performance improvements.