Jack Lim

About me

Professional Summary

Full-Stack Engineer with 8+ years designing and shipping secure, scalable cloud-native platforms on AWS and Azure. Proven at leading cross-functional engineering teams, maturing DevSecOps and QA governance, and delivering enterprise-grade reliability for high-traffic e-commerce and agriculture systems serving millions of users. AWS Solutions Architect – Associate and Azure (AZ-305) certified, actively driving toward a Solution Architect career track — pairing hands-on full-stack delivery with architecture ownership, security-by-design, and team mentorship.

  • Led a team of 5 to deliver a multi-region loyalty platform, cutting production outages 8 → 1 in a year.
  • Improved MTTR by 60% and sustained a 99.93% SLA via New Relic observability across 3 projects.
  • Drove 86% cost reduction on cloud services (RM20K → RM2.8K/month) through architectural optimization.
  • Won the MaxisWay Award for end-to-end e-commerce design, delivering high-traffic systems at scale.

Skills

What I work with

Programing Language

  • Java
  • JavaScript
  • Python
  • Golang
  • TypeScript

Backend Development

  • Spring Boot
  • Node.js
  • Flask
  • Gin
  • REST API

Cloud Architecture

  • AWS
  • Azure
  • Serverless

Frontend Development

  • React
  • Vue
  • Angular
  • Ionic
  • HTML5
  • Bootstrap
  • Tailwind CSS

Database

  • MS/Azure SQL
  • PostgreSQL
  • MongoDB
  • MySQL
  • JPA/Hibernate
  • ORM

DevOps

  • Docker
  • GitHub Actions
  • Teamcity
  • JUnit
  • Jest
  • WSL
  • Various Source Code Management tools

Observability

  • New Relic
  • Google Analytics
  • Piano Analytics

Security & Identity

  • OAuth 2.0
  • JWT
  • SSO

Architecture

  • SOLID Principles
  • Object Oriented Programing
  • Resilient Microservice
  • Test Driven Development

Others

  • Incident Management
  • QA Governance
  • Requirement engineering

un-group-keyword

  • git
  • github
  • gitlab
  • bitbucket
  • Azure DevOps
  • NPM
  • Maven
  • Webpack
  • Vite
  • NumPy
  • Pandas
  • Responsive design
  • Scrum
  • Socket-io

Career

Work Experience

Recognition

Achievements

Background

Education

Resources

Looking for more details?

Get a comprehensive view of my full experience, qualifications, and achievements in my Curriculum Vitae.

View Complete CV