Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I’m Dylan Messer, a Senior Technical Lead who builds secure, high-availability mobile and web products using React Native, React, and TypeScript. I’ve led end-to-end delivery for regulated telehealth experiences—covering appointment scheduling, secure messaging, provider dashboards, and patient engagement—while keeping quality high through CI/CD automation, performance focus, and reliable release processes. I’m especially proud of the way I combine engineering excellence with strong privacy and security practices. From OAuth 2.0 / OpenID Connect and JWT hardening to KMS-encrypted data handling and observability with CloudWatch, OpenTelemetry, and Sentry, I help teams ship accessible, dependable user experiences—and I enjoy mentoring engineers to raise bar on secure coding and engineering throughput.…I’m Dylan Messer, a Senior Technical Lead who builds secure, high-availability mobile and web products using React Native, React, and TypeScript. I’ve led end-to-end delivery for regulated telehealth experiences—covering appointment scheduling, secure messaging, provider dashboards, and patient engagement—while keeping quality high through CI/CD automation, performance focus, and reliable release processes. I’m especially proud of the way I combine engineering excellence with strong privacy and security practices. From OAuth 2.0 / OpenID Connect and JWT hardening to KMS-encrypted data handling and observability with CloudWatch, OpenTelemetry, and Sentry, I help teams ship accessible, dependable user experiences—and I enjoy mentoring engineers to raise bar on secure coding and engineering throughput.

Dylan Messer

Software Engineer, Front-End Developer, Back-End Developer, +2





I’m Dylan Messer, a Senior Technical Lead who builds secure, high-availability mobile and web products using React Native, React, and TypeScript. I’ve led end-to-end delivery for regulated telehealth experiences—covering appointment scheduling, secure messaging, provider dashboards, and patient engagement—while keeping quality high through CI/CD automation, performance focus, and reliable release processes. I’m especially proud of the way I combine engineering excellence with strong privacy and security practices. From OAuth 2.0 / OpenID Connect and JWT hardening to KMS-encrypted data handling and observability with CloudWatch, OpenTelemetry, and Sentry, I help teams ship accessible, dependable user experiences—and I enjoy mentoring engineers to raise bar on secure coding and engineering throughput.…I’m Dylan Messer, a Senior Technical Lead who builds secure, high-availability mobile and web products using React Native, React, and TypeScript. I’ve led end-to-end delivery for regulated telehealth experiences—covering appointment scheduling, secure messaging, provider dashboards, and patient engagement—while keeping quality high through CI/CD automation, performance focus, and reliable release processes. I’m especially proud of the way I combine engineering excellence with strong privacy and security practices. From OAuth 2.0 / OpenID Connect and JWT hardening to KMS-encrypted data handling and observability with CloudWatch, OpenTelemetry, and Sentry, I help teams ship accessible, dependable user experiences—and I enjoy mentoring engineers to raise bar on secure coding and engineering throughput.

Available to hire

I’m Dylan Messer, a Senior Technical Lead who builds secure, high-availability mobile and web products using React Native, React, and TypeScript. I’ve led end-to-end delivery for regulated telehealth experiences—covering appointment scheduling, secure messaging, provider dashboards, and patient engagement—while keeping quality high through CI/CD automation, performance focus, and reliable release processes.

I’m especially proud of the way I combine engineering excellence with strong privacy and security practices. From OAuth 2.0 / OpenID Connect and JWT hardening to KMS-encrypted data handling and observability with CloudWatch, OpenTelemetry, and Sentry, I help teams ship accessible, dependable user experiences—and I enjoy mentoring engineers to raise bar on secure coding and engineering throughput.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Work Experience

Senior Technical Lead at Teladoc Health

May 1, 2023 - June 1, 2026

Led delivery of a telemedicine mobile experience using React Native, React, and TypeScript for appointment booking, secure messaging, and provider queue workflows. Built reusable UI components and navigation patterns with React Native and Redux Toolkit, improving feature build time across multiple squads. Implemented offline-first patient intake and document upload flows using AsyncStorage and S3, reducing failed submissions on low-connectivity networks. Strengthened authentication and session management with OAuth 2.0, OpenID Connect, and JWT, including tighter token lifetimes and device binding to reduce account takeover incidents. Instrumented telemetry with CloudWatch, OpenTelemetry, and Sentry to improve crash-free sessions and reduce MTTR. Automated releases using GitHub Actions and Fastlane for weekly deployments. Hardened regulated-data handling using KMS and secure S3/storage patterns, and mentored engineers on TypeScript patterns, performance profiling, and secure coding.

Senior Software Engineer / Security Engineer at Booz Allen

June 1, 2018 - April 1, 2023

Delivered cross-platform internal investigation tooling using React, TypeScript, and Redux Toolkit to triage alerts and manage cases, reducing analyst handling time. Implemented secure API access patterns with OAuth 2.0, JWT, and AWS API Gateway to improve authorization consistency across multiple services. Built event-driven alert pipelines using AWS Lambda and SQS with automated deduplication and retry controls at high daily event volumes. Automated security checks in GitHub Actions (dependency scanning and secret detection) to reduce high-severity findings. Implemented service health and audit trails with CloudWatch structured JSON logging, improving incident detection time. Strengthened data protection controls using KMS and least-privilege IAM policies to support compliance-driven access reviews and audit readiness.

Software Engineer at Comcast

May 1, 2013 - May 1, 2018

Built customer-facing web features using React and JavaScript, improving self-service completion rates through streamlined account workflows. Developed backend-for-frontend services using Node.js and Express to aggregate account and device data, reducing page load time. Implemented caching and rate-limiting with Redis to stabilize peak traffic and improve latency during high-volume events. Automated deployments with Jenkins and Docker to reduce rollback time.