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Java Backend Engineer
Internal Enterprise Systems Team - - Bây giờ
职位: Java Backend Engineer | 时间段: July 2019 – Dec 2021 | 工作内容: Developed enterprise-grade backend services using Java 8 and Spring Boot 2; integrated SAP APIs to build reporting and data analysis systems. Led a major Java version upgrade (Java 5 to Java 8), resolving dependency conflicts, mitigating security risks, and building custom alternatives for incompatible packages. Managed critical business data transmission via message brokers and validated backup/failover mechanisms for high availability. Utilized Python 3 (NumPy, Pandas, Matplotlib) to perform quarterly departmental performance and order distribution trend analyses.
Solutions & Architecture (SA) Team
Cathay Financial Holdings - - Bây giờ
职位: Solutions & Architecture (SA) Team | 时间段: Oct 2022 – Feb 2024 | 工作内容: Researched enterprise microservices and serverless feasibility; spearheaded the PoC design, development, and production validation for migrating life insurance services to a serverless architecture. Built service prototypes using Golang (Gin), Vue 3, PostgreSQL, and Kubernetes to verify the technical viability of serverless migration. Analyzed and implemented Knative, optimizing load balancing, autoscaling, cold starts, and fault-tolerance mechanisms. Constructed monitoring systems with Prometheus and Grafana to measure latency, throughput, and queue metrics; used Java 17 and Spring Boot 3 to verify Knative's compatibility with legacy Java systems.
Trading Systems Team
SinoPac Securities - - Bây giờ
职位: Trading Systems Team | 时间段: Mar 2024 – Nov 2025 | 工作内容: Maintained and enhanced C++ codebases for non-core trading platforms, refactoring legacy code to the C++17 standard to boost maintainability. Designed a single-node, high-concurrency messaging middleware using Golang, NATS, and WebSockets for real-time market data streaming. Evaluated QoS, message delivery reliability, and high-availability architecture to eliminate data drops caused by broker failures. Handled WebSocket handshakes, managed subscriber connection states, and implemented robust heartbeat mechanisms. Developed custom Golang tools to monitor packet loss, memory leaks, latency, and queue performance anomalies in real time, integrating dashboards via Prometheus and Grafana.
Fullstack Golang Engineer
Backend Services Team - - Bây giờ
职位: Fullstack Golang Engineer | 时间段: Dec 2025 – Apr 2026 | 工作内容: Partnered with PMs on requirements, system design, and feature development for game backends and multiplayer real-time chat systems. Built RESTful API
