Maintained TLS termination data-plane for most AWS services including S3, ELB, etc.
•
Ported a reverse proxy from x86 to Arm, for on-host TLS termination and solved issues related to assembly, compilation and dependencies.
•
Analyzed latency and throughput of TLS handshake and bulk data encryption on Arm. Profiled on both x86 and Arm to address the performance bottlenecks using perf-event and FlameGraph.
Tech Lead of infra for ML(Machine Learning) computing tasks and micro-services.
•
Developed a container orchestration service with specific on-board environment with CPU/GPU control, dynamic network routing and clock synchronization.
•
Developed L3 software-defined networking for container IP access with Calico/BGP/iptables, featuring IP affinity and floating IP.
•
Performed end-to-end on-call duty on services and on-prem machines. Automated operation using Bash scripts and Ansible for a state-declaration approach. Solved the single point of failure on the HAProxy API gateway by DNS-level load balancing with Consul.