Jack Byun
Summary
Cloud Support Engineer with expertise in C++ and Go, specializing in high-traffic distributed systems at AWS scale. Proven track record optimizing TCP/IP, HTTP/SSL protocols and Kubernetes-based platforms, achieving 30%+ latency reduction across production services. Built resilient traffic management solutions handling 300+ critical cases with 100% SLA. Led cross-functional teams of 20+ engineers, contributed open-source automation frameworks, and earned three AWS excellence awards. Passionate about building scalable edge infrastructure and service mesh platforms that handle massive traffic loads with unparalleled observability.
Overview
1
1
year of professional experience
1
1
Certification
Work History
Cloud Support Engineer
AWS
10.2024 - Current
Traffic Management & Distributed Systems Engineering
• Architected high-performance automation frameworks in C++ and Go, reducing system latency by 30%+ and improving traffic handling efficiency by 40% across distributed AWS services
• Optimized Redis/Valkey caching strategies for high-traffic workloads, implementing intelligent traffic pattern analysis that prevented 40% of escalations
• Designed Kubernetes-based chaos engineering testbeds that uncovered 3 kernel-level bugs, ensuring resilience under extreme traffic conditions
• Resolved complex EC2 API Eventual Consistency issues through systematic TCP/IP and HTTP/HTTPS protocol analysis
Network Protocol & Performance Optimization
• Debugged and optimized TCP/SSL/HTTP protocol configurations across 13 AWS services (EC2, EBS, ElastiCache), handling 300+ critical networking cases with 100% SLA
• Implemented sophisticated load balancing and traffic routing solutions for production systems at AWS scale
• Analyzed traffic patterns and security threats using CloudTrail and network monitoring tools, proactively identifying bottlenecks
• Configured network protocols for distributed systems, improving throughput and reducing latency in production environments
Kubernetes & Container Orchestration
• Deployed scalable containerized applications on Kubernetes with full observability using Prometheus and Grafana
• Built resilient service mesh architectures for microservices, implementing circuit breakers and rate limiting
• Orchestrated container deployments with Helm charts, ensuring zero-downtime releases during traffic spikes
• Established observability practices with distributed tracing, providing real-time visibility into system health
Cross-functional Leadership & Innovation
• Led 2025 EMEA STEM initiative with 20 engineers, maintaining 95%+ milestone adherence while driving technical innovation
• Contributed automation frameworks adopted across multiple AWS teams, demonstrating open-source collaboration mindset
• Coordinated with SDE/TAM/SA teams to resolve critical issues including Bottlerocket CVE detection gaps
• Earned three prestigious awards (MVP, Rising Star, All-Rounder) for setting new performance benchmarks
Education
Bachelor of Science - Computer Engineering
Korea Aerospace University
Goyang, South Korea08-2024
Skills
- Programming Languages : C Go Java Python
- Networking & Protocols : TCP/IP HTTP/HTTPS SSL/TLS DNS Load Balancing
- Container & Orchestration : Kubernetes Docker Helm Service Mesh Envoy Proxy
- Distributed Systems : Microservices Architecture High Availability Design Scalability Engineering Caching Strategies (Redis, Memcached)
- Observability & Monitoring : Prometheus Grafana ELK Stack Distributed Tracing APM Tools
- Cloud & Infrastructure : AWS/GCP/Azure Infrastructure as Code (Terraform) CI/CD Pipelines GitOps
- Traffic Management : CDN Configuration Edge Computing DDoS Mitigation Rate Limiting Circuit Breakers
- Development Practices : Agile/Scrum Test-Driven Development Code Review Open Source Contribution
- Performance Optimization : Network Protocol Optimization Latency Reduction Throughput Optimization Resource Utilization
- Additional Skills : RESTful APIs gRPC Message Queuing Database Optimization Security Best Practices
Certification
AWS Certified DevOps Engineer – Professional
Amazon Web Services (AWS) | July 2025
Oracle Certified Associate, Java SE 8 Programmer
Oracle | April 2025
AWS Certified Solutions Architect – Associate
Amazon Web Services (AWS) | December 2024
Timeline
Cloud Support Engineer
AWS
10.2024 - Current
Bachelor of Science - Computer Engineering
Korea Aerospace University