D

David Chen

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Nairobi County, Kenya

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Résumé

Jobs verified_user 0% verified
  • Carbon Health
    Staff Software Engineer
    Carbon Health
    Aug 2018 - Current (8 years)
    • Architected WebRTC infrastructure using Go and Node.js with Mediasoup on AWS ECS, scaling to support 15,000+ concurrent video calls with a sub-200ms end-to-end latency • Designed event-driven architecture with Kafka and Redis, processing 12M+ daily signaling events with exactly-once delivery guarantees, reducing message processing errors by 99.8% • Deployed containerized media services on EKS, implementing blue-green deployments that eliminated deployment-related downtime to zero and cut incident resolution time by 40% via CloudWatch and Prometheus monitoring AI Clinician Assistant Tool
  • Airbnb
    Software Engineer
    Airbnb
    May 2013 - Jun 2018 (5 years 2 months)
    Joined Airbnb during a period of hypergrowth and contributed to the development of core marketplace infrastructure, global payments systems, and fraud prevention platforms that scaled to millions of daily bookings. • Built dynamic user interfaces using React and JavaScript, focusing on high performance, user-friendly design for grid-based interface and real-time data management • Developed payment processing system with Ruby on Rails and AWS Lambda, decreasing transaction failures by 25% through enhanced fraud detection algorithms • Migrated single Node.js RESTful API server to microservices using Ruby on Rails, and Node.js to improve performance and reliability • Modernized frontend architecture with JavaScript, React, Node.js, improvi
Education verified_user 0% verified
  • San Diego State University
    Bachelor of Science
    San Diego State University
    Jan 2009 - Jan 2013 (4 years 1 month)