Kong API Gateway- Maintain enterprise gateway plugins, and led the development of several OpenAPI related plugins, including OpenAPI v3.1.0 feature of OAS Validation plugin.- Solve issues and production failures encountered by customers during software usage.

EventHooksDeveloped a modern Webhook system that delivers events via HTTP. Designed a best-effort delivery mechanism that improves reliability and punctuality. Included a user-friendly web page, which provides the observability of delivery status, remaining times, and delivery logging. Provided manual retry feature for keeping data consistency in the distributed system. (Go, MySQL, Redis, AWS, MQ, Docker)BillingImplemented a subscription billing service based on Stripe. Integrated popular payment methods such as credit cards, ACH bank transfers, etc., and state‐based sales tax for local legal requirements. (Go, MySQL, Redis, AWS, Docker)API-GatewayArchitected the API Gateway based on Kong. Developed additional features from source code, such as automatic encryption, database credential rotation. Wrote stable and high‐performance plugins, including path‐rewrite, reCAPTCHA, session, and network‐zone.

1) Designed and implemented a low-Intrusion database data desensitization framework. 2) Developed an RPC framework using JSON-RPC protocol, which solved the difficulty of cross-language communication.3) Implemented the distributed tracing based on AWS X-Ray and MDC logging.