Summary
Sang Le is a Senior Software Engineer based in Ho Chi Minh City with eight years of professional experience and five years focused on web backend development. He specializes in high-performance Go services, microservices and layered architectures, with hands-on experience in gRPC, Kafka, NATS, TimescaleDB and ClickHouse to drive scalable, low-latency systems. At VNPAY he helped build DNS/CDN/Reverse Proxy and WAF platforms handling thousands of RPS and terabytes of daily traffic, and reduced a core analytics API from over 20 seconds to under one second. He also designs core libraries, protoc plugins, in-memory rate limiters, and optimized sync code to cut allocations, while mentoring junior engineers. Passionate about solving real problems, Sang combines pragmatic engineering with continual learning and a track record of operational ownership across edge and core infrastructure.
8 years of coding experience
2 years of employment as a software developer