Lead React Native Developer•Feb 2025 – Feb 2026
Elevate Golf Mobile Platform
60fps AI Swing Analysis & Real-Time Video Annotations
Built a React Native mobile coaching platform engineered for split-second 60fps video playback analysis, real-time drawing annotations, and AI performance metrics.
Playback Frame Rate
60 FPS
Zero Jitter Annotation
Media Load Latency
< 2s
AWS CloudFront CDN
System Uptime SLA
99.5%
Firebase & AWS S3

The Technical Problem
Challenge & Bottlenecks
Mobile video playback in coaching applications suffered from frame dropping and latency during drawing overlays, rendering micro-movement swing inspections inaccurate.
The Engineering Solution
Architecture & Design
Optimized React Native native video decoding using Video-SDK, canvas overlays, 3-tier Firebase RBAC auth, Node.js microservices, and AWS CloudFront CDN media delivery.
Project Tech Stack(7 Technologies)
react
nodejs
expressjs
mysql
firebase
aws
tailwindcss
Key Engineering Accomplishments
Engineered 60fps React Native video player with sub-frame pause, slow-motion scrubbing, and touch drawing canvas overlays.
Implemented Firebase Auth (OAuth 2.0/JWT) with 3-tier Role-Based Access Control (RBAC) supporting 500+ active user sessions.
Optimized media pipeline with AWS S3 server-side encryption and CloudFront CDN signed URL delivery achieving sub-2s video startup.
Delivered robust Node.js REST APIs for recording player progress, telemetry data, and coaching feedback loops.