Mobile Engineering & iOS
React Native, Expo, Swift, iOS development, TypeScript, JavaScript, Xcode, App Store Connect, TestFlight, push notifications, offline-first applications, OTA updates, and cross-platform mobile architecture.
Professional Profile
Senior Mobile Product Engineer & Full-Stack Technical Lead
I’m Christopher Vaught, a Senior Mobile Product Engineer and Full-Stack Technical Lead with 15+ years of experience designing, developing, and delivering enterprise mobile, cloud-native, and AI-enabled platforms across healthcare, education, hospitality, transportation, fitness, government, and consumer industries.
My mobile work centers on React Native, Expo, and iOS applications built with TypeScript, JavaScript, Swift, and AWS cloud services. I architect end-to-end solutions across mobile apps, cloud-native APIs, backend services, CI/CD automation, release management, observability, security, and enterprise integrations.
I lead mobile product initiatives from concept through App Store deployment, including Expo architecture, GitHub Actions pipelines, Xcode build automation, TestFlight distribution, App Store Connect release management, Apple Developer Program administration, code signing, provisioning profiles, OTA updates, and production deployment workflows.
Core Expertise
Mobile CI/CD & Release
GitHub Actions, mobile CI/CD, Xcode build automation, App Store deployment, TestFlight distribution, code signing, certificate management, provisioning profiles, release validation, and deployment automation.
AWS Cloud Architecture
AWS Lambda, API Gateway, EC2, S3, IAM, CloudFormation, CloudWatch, serverless applications, event-driven architecture, REST APIs, microservices, and cloud-native development.
Mobile Testing & Quality
Jest, React Native Testing Library, automated mobile testing, QA collaboration, acceptance criteria, release validation, quality gates, deployment readiness, and production support.
AI Engineering
Retrieval-Augmented Generation, OpenAI APIs, Claude, semantic search, vector databases, PGVector, LLM integration, AI-assisted development, prompt engineering, enterprise knowledge platforms, and AI governance.
Product Leadership
Technical leadership, product engineering, stakeholder management, Agile delivery, team mentoring, architecture reviews, engineering standards, technical roadmaps, UX collaboration, and distributed team leadership.
Delivery Record
Keyhole Software
Lead architecture and delivery of enterprise mobile, cloud, and AI-enabled platforms using React Native, Expo, Swift, TypeScript, JavaScript, AWS, Azure, and Google Cloud technologies.
Meet & Move Mobile Platform
Lead architect and developer for a React Native and Expo mobile platform connecting physical therapy patients with similar rehabilitation goals, backed by AWS-hosted services, Expo build environments, OTA update workflows, GitHub Actions mobile CI/CD, Xcode automation, TestFlight, and App Store Connect.
MyNorthwell Mobile Platform
Led patient-facing React Native mobile experiences integrating Epic, FHIR APIs, SAP Gigya authentication, and enterprise healthcare services, while modernizing Azure DevOps deployment pipelines into GitHub Actions workflows.
Accenture & MyStudentAid
Led architecture and delivery for healthcare, government, and education platforms using React Native, TypeScript, JavaScript, Node.js, and AWS cloud services, including secure mobile-first workflows for the U.S. Department of Education’s MyStudentAid application.
Drury Hotels Mobile Platform
Developed React Native mobile solutions supporting guest engagement, property discovery, loyalty experiences, customer communications, CMS integrations, cloud-hosted backend services, TestFlight distribution, and App Store delivery workflows.
Earlier Mobile Product Highlights
Founded and operated a digital consulting and product development practice, contributed to ClubReady’s white-labeled React Native mobile platform, and delivered consumer-facing mobile applications including Postopia, Wilma’s Recipes, and Honeycomb Go Big.
Education & Professional Development
- B.F.A. in Computer Art, Interactive Design & Game Development, Savannah College of Art and Design.
- Graduate coursework in Computer Science, University of Missouri-St. Louis.
- C# MCD certification and training, web application development, Azure foundations, and SharePoint Brand Camp.