Titus Wong

Full Stack Web Developer

+64-21-388570titus.wong@hotmail.comlinkedin.com/in/titus-wong-b7940817www.upncode.dev/resume

Professional Summary

Full-stack developer with 6+ years of experience specializing in React.js, Node.js, and AWS Cloud (Serverless, ECS, Lambda). Skilled in migrating legacy systems, improving performance and scalability, and leading technical initiatives. Proven ability to mentor teams and streamline development practices to deliver robust, high-quality solutions.

Key Achievements

Migrated legacy apps from AngularJS to microservices in React.js

Improved frontend performance by 40%

Refactored legacy code to improve maintainability and readability

Developer experience improvements

Technical Skills

Frontend

JavaScript, TypeScript, React.js, Angular, Next.js, Astro, Redux, Zustand, Signal, Figma, HTML, CSS, Tailwind, Material UI, React Query, React Testing Library, Vitest, Jest, Webpack, RsPack, Vite, ESLint, Single-SPA

JavaScript/TypeScript90%
React.js90%
HTML/CSS/Tailwind85%
Angular/Next.js75%

Backend

Node.js, Fastify, Kysely, PostgreSQL

Node.js80%
Kysely/PostgreSQL75%
API Development80%

Cloud & DevOps

AWS (SST, ECS, EC2, Lambda, ALB, API Gateway), Docker, GitHub Actions, CI/CD, Jira, Git

AWS75%
GitHub Actions/CI/CD75%

Professional Experience

Intermediate Web Developer

April 2022 - Present
Invenco Group Ltd, Auckland
  • • Migrated legacy frontend microservices from AngularJS to React.js, improving performance, scalability, and maintainability
  • • Designed and developed frontend applications with React.js, Hooks, and React Query, achieving cleaner and more maintainable code
  • • Built scalable backend services using Node.js and AWS ECS, enhancing uptime and scalability
  • • Integrated and deployed solutions with AWS SST, cutting deployment time significantly and improving system reliability
  • • Optimized PostgreSQL databases, implementing typesafe SQL queries with Kysely, enhancing data integrity and query performance

Front End Developer

December 2018 - April 2022
Vensa Health, Auckland
  • • Developed and optimized UI for healthcare platforms to ensure seamless user experiences
  • • Created dynamic, responsive features using React.js
  • • Monitored and resolved frontend performance issues proactively, reducing user-reported errors
  • • Collaborated closely with cross-functional teams to identify and implement key product enhancements

Infrastructure Analyst / Practice Success Specialist

January 2016 - December 2018
Vensa Health, Auckland
  • • Monitored IT infrastructure, identifying and implementing system improvements
  • • Integrated customer PMS environments with Vensa's portal, improving client workflow

Cloud Support Engineer

September 2014 - December 2015
Appserv, Auckland
  • • Supported 200+ businesses with DaaS solutions
  • • Maintained and troubleshooted customer applications and servers, ensuring reliable service delivery

System/Network Administrator

January 2012 - September 2014
Procare Health, Auckland
  • • Managed server, network, and desktop infrastructure
  • • Led IT projects and maintained critical systems, ensuring operational excellence

Education & Certifications

Bachelor of Computing Systems

Unitec, New Zealand

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Unitec New Zealand

• Computing Systems

• Software Development Focus

CCNA: Cisco Certified Network Associate

Cisco

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Cisco Certification

• Network administration

• Routing and switching

• Network troubleshooting

VCP6: VMware Certified Professional

VMware, Network Virtualization

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VMware Certification

• Network Virtualization

• Virtual infrastructure management

• vSphere optimization

MCITP: Microsoft Enterprise Administrator

Microsoft

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Microsoft Certification

• Enterprise infrastructure

• Windows Server administration

• Active Directory management