Resume / full-stack

Henry Li

Senior Full-Stack Engineer

Staff Full-Stack Engineer and boutique software studio co-owner with 5+ years delivering products and platforms across consulting, logistics, real-time systems, and cloud-backed environments. Built React and Next.js interfaces alongside Java, Spring Boot, and Node.js services for platforms handling 1M+ daily transactions and serving 3,000+ concurrent users. Best at owning end-to-end delivery across product discovery, UI, APIs, cloud infrastructure, and release workflows.

1M+

daily transactions

3,000+

concurrent users

99.95%

uptime environment

2d

release lead time from 2 weeks

capability map

Frontend

TypeScriptJavaScriptReact.jsNext.jsVue.jsAngularSvelteHTML5CSS3Tailwind CSSReduxResponsive UI

Backend & APIs

JavaSpring BootNode.jsExpress.jsPythonDjangoRESTful APIsGraphQLMicroservicesEvent-Driven ArchitectureJWT/OAuth

Databases

SQLPostgreSQLOracle PL/SQLMySQLMongoDBRedisHibernatePrismaDatabase DesignQuery Optimization

Infrastructure & DevOps

AWSEC2RDSS3LambdaDockerKubernetesCI/CDGitHub ActionsGitLinuxVite

delivery timeline

Staff Software Engineer

Horizon Technologies Advertisement

Jul 2025 - Present

SvelteKitReactNext.jsNode.jsTypeScriptAWSMobile apps
  • Co-own a boutique software studio and lead hands-on delivery of web and mobile applications for early-stage products and business teams.
  • Own discovery, architecture, implementation, deployment, and client communication across full-stack projects, translating business goals into production-ready product roadmaps.
  • Established lean engineering practices, reusable project templates, and delivery workflows that improve project kickoff speed, code quality, and maintainability across client engagements.

Application Engineer

Arrow Electronics

Jun 2024 - Jun 2025

JavaSpring BootOracle PL/SQLKubernetesAWSCI/CD
  • Built and scaled services and workflows for a cloud warehouse platform handling 1M+ daily transactions with 99.95% uptime targets across global logistics hubs.
  • Migrated core business workflows from Oracle PL/SQL into event-driven Java and Spring services, improving incident response and accelerating change delivery.
  • Built CI/CD pipelines and Kubernetes deployment workflows that cut release lead time from 2 weeks to 2 days.

Senior Software Engineer

Amtran International

Oct 2022 - Apr 2024

Next.jsNode.jsPostgreSQLSolidityStatic analysis
  • Led full-stack delivery of a Next.js and Node.js platform with real-time data indexing, serving 3,000+ concurrent users with sub-second page loads.
  • Optimized critical execution paths, reducing transaction-level execution costs by 35%.
  • Established static analysis and fuzz testing practices that supported zero critical findings across two external audits.

System Analyst

Ace Technologies Limited

Apr 2022 - Sep 2022

FlutterNode.jsAstroAWS
  • Built a cross-platform Flutter app that maintained 60 FPS in core flows on lower-end devices and supported $50k+/month in in-app revenue.
  • Introduced RFC-driven development and onboarding documentation that reduced new-hire ramp-up time by 50%.

Analyst Programmer

Global Logistics System (HK) Limited

Nov 2021 - Apr 2022

Angular.NETVueAWS
  • Owned user-facing and backend workflows for a global logistics platform processing terabytes of freight data under 24/7 availability requirements.
  • Delivered the Cathay Pacific Fly Greener carbon offset portal, supporting a 3x increase in corporate participation after launch.

Web Developer

MADTec Solutions Limited

Jan 2021 - Aug 2021

ReactVueDockerAlibaba CloudPython
  • Supported a zero-downtime migration from on-premise systems to cloud infrastructure, maintaining 99.9% service levels while reducing hosting costs by 35%.
  • Delivered secure web applications for government and financial clients that passed penetration testing requirements.

additional information

Languages

English (Fluent), Cantonese (Native), Mandarin (Proficient)

Education

BA Economics, The University of Manchester