Meirong Huang#

LinkedIn · GitHub · Blog

Summary#

Backend expert engineer with 15+ years across payment, e-commerce and SaaS platforms, working mostly in Java and Go.

Skills#

Languages — Java, Go

Data & Backend — Spring Boot, SQL, MySQL, OceanBase, Kafka, Redis

Cloud & Infra — Kubernetes, Docker, Helm, ArgoCD, Terraform, CI/CD

Practices — Microservices, Distributed Systems, Observability, IaC, GitOps

Experience#

Vanguard Software — Expert Engineer, Nov 2024 – Present#

Stack: Java 25 (virtual threads, structured concurrency), Spring Boot 3, Kubernetes, OceanBase, Kafka/Confluent, Redis, OpenTelemetry, Grafana/Prometheus

  • Built the wallet service’s core ledger and transaction backbone for a platform handling hundreds of millions of daily transactions from millions of users across multiple regions.
  • Led the microservice split and capacity planning.
  • Standardized observability (traces, metrics, logs) across services.

Shopee — Senior Software Engineer, Aug 2021 – May 2024#

Stack: Go, Microservices, Kubernetes, MySQL, CI/CD

  • Designed and built the control center of GAS (Go Application Server), an internal platform that shields service developers from base-SDK and infrastructure changes — supported 100+ projects across billing, product, fulfilment and listing.
  • Built unify config in spkit, the Go scaffolding toolchain, as one interface over local and remote configuration.
  • Built Go Governance, a static-analysis tool that surfaces Go version-upgrade risks in project code and proposes fixes.

Freelancer — Full Stack Engineer, Sep 2018 – May 2021#

Stack: Java, Spring Boot, JHipster, Angular/React/Vue, Puppeteer, Appium, MySQL

  • Built a unified order management system covering Taobao, AliExpress and Mercari with JHipster (Angular + Spring Boot).
  • Automated data collection with Puppeteer (web) and Appium (app), cutting business-staff workload by about 50%.

SwiftPass — Senior Java Software Engineer, Jun 2016 – Aug 2018#

Stack: Java, Spring, MyBatis, Oracle

  • Owned the clearing and settlement modules of a private-cloud aggregated payment system integrating Alipay, WeChat Pay and others, clearing 20M+ orders per day.
  • Migrated the clearing platform from Play Framework to Spring Framework, adding a Java SPI plugin mechanism for per-client customization.
  • Optimized clearing performance and hardened customer-data security.

Huawei — Software Engineer, Nov 2013 – May 2016#

Stack: Java, Oracle

  • Led a team of 5 engineers maintaining and refactoring the telecom billing configuration module.

Earlier roles — Java Software Engineer, Jul 2010 – Jul 2013#

Fujian Gotop Technology · Longtop Information Technology

Education#

Wuhan University — Bachelor’s Degree in Software Engineering, Sep 2006 – Jun 2010