Justin (Juhwan) Lee
IT student building data pipelines, APIs, and dashboards in Australia.
About Me
AWS Certified
Data Engineer Associate
Victoria University
Bachelor of IT
Udacity
Data Engineering Nanodegree
Trilingual IT student with a strong passion for software engineering, particularly in data-driven systems and analytics. Experienced in Python, SQL, and cloud platforms, with hands-on involvement in data analysis, automation, and project coordination.
Beyond core software skills, I am especially interested in applying data and digital technologies to transform and modernise traditional industries, bridging software engineering with real-world operational and business contexts. I am currently contributing to community and leadership initiatives through the City of Sydney’s ISLA Program.About Me
Location
Sydney, Australia
ausjustin12@gmail.com
Languages
English, Korean, Chinese
Availability
Open to opportunities
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Education
Bachelor of Information Technology
Victoria University • Sydney Campus
Diploma of Information Technology
Victoria University • Sydney Campus
Bachelor of Flight Vehicle Design and Engineering
Harbin Institute of Technology • Harbin, Heilongjiang China
Experience
International student leadership and ambassador
City of Sydney
- •As an Ambassador in the City of Sydney's ISLA Program , I am currently planning and executing a community project to support international students. Through this role, I am contributing 60 hours of volunteer service while actively strengthening my skills in project management , leadership , and cross-cultural team collaboration.
- •Project: Culture Fest: Stories, Flavours, and Friendship — GLOW (Grow, Link, Orientate, Welcome) Initiative Event Date: December 6, 2025 | Redfern Community Centre Role: - Led the Korean Food Workshop, guiding participants in hands-on preparation of traditional dishes while sharing cultural stories. - Collaborated with multicultural ambassador teams to design a 5-hour cultural exchange event connecting over 70 participants from diverse backgrounds. - Supported the development of the event structure, run sheet, and risk assessment, ensuring compliance and participant safety. - Contributed to content for marketing, social media, and “Passport to Taste” engagement activities. Promoted inclusion and cross-cultural understanding among international and local students through interactive presentations and food experiences.
Team Supervisor
YH Interior
- •Supervised construction site operations, achieving 15% increase in project completion rates
- •Fostered collaboration by negotiating with site engineers and supervisors
- •Provided guidance to installers ensuring high-quality work and safety standards
- •Managed tech-enabled admin work including Xero invoicing and data dashboards
Software Engineering Intern – Data Systems
Ausbiz Consulting
- •Developed Python- and SQL-based data processing pipelines to support automated data validation and reproducibility
- •Implemented testing workflows to improve data quality and reliability
- •Built data outputs to support operational and stakeholder decision-making
- •Collaborated with cross-functional teams in an Agile environment
- •Supported software engineering tasks aligned with engineering intern responsibilities
Operations Clerk / Squad Leader
Republic of Korea Army Aviation Command
- •Led a 7-member squad at the Republic of Korea Army Aviation Command, enhancing operational readiness
- •Maintained 24-hour operations at the brigade Command Center, ensuring effective communication across units
- •Supported real-time crisis responses, streamlining processes during high-pressure situations.
Volunteer/Social Work
Social — ISLA Cultural Fest 2025 Stories, Flavours & Friendships
International Student Leadership Association (ISLA)
- •Participated in the early planning and program design phase of the Cultural Fest as part of the organising team
- •Led the Korean cultural segment, introducing Korean culture and traditions during the main cultural presentation session
- •Facilitated and hosted a Bibimbap food workshop, guiding participants through ingredients, preparation, and cultural significance
- + 2 more contributions...
Social — ISLA International Student Career Panel 2025
International Student Leadership Association (ISLA)
- •Supported on-site event operations and attendee coordination for the International Student Career Panel 2025, contributing to smooth program delivery and positive participant experience.
Volunteer — Christmas in the city: an international student festive walk
City of Sydney
- •Volunteered at the City of Sydney’s International Student Festive Walk, supporting on-site operations and student engagement.
Volunteer — NSW Police Officer of the Year Awards 2025 — Event Support Volunteer
Rotary Clubs of NSW
- •Volunteered at the NSW Police Officer of the Year Awards 2025, supporting event operations and guest coordination at Hyatt Regency Sydney.
Volunteer — 2025 LBW Trust Gala Dinner
The LBW Trust (Learning for a Better World)
- •Assisted with guest registration, welcoming, and event coordination
- •Supported silent and live auctions during the fundraising dinner
- •Helped with guest seating, logistics, and smooth flow of the evening
- + 2 more contributions...
Skills & Technologies
Data & Backend
Data Tools
Streaming (Basics)
Infrastructure & DevOps
Frontend
Featured Projects
UrSaviour – Full Stack Software Project (AWS & Python)
AI-Supported Grocery Discount Intelligence Platform
Full-stack application to track weekly supermarket discounts with watchlist and alert features. Architected serverless ETL pipeline on AWS using Lambda, S3, and RDS to process unstructured PDF data.
Cancer Data ETL
Healthcare Data Analysis
Analyzed 1.7M cancer records with Python and SQL, identifying tumor patterns and survival rates. Built ETL pipeline to normalize public cancer datasets into PostgreSQL with schema constraints.
Cloud Data Warehouse
AWS Redshift Implementation
Built scalable data warehouse on Amazon Redshift for music streaming startup. Developed Python ETL pipeline using Infrastructure as Code for data integrity and improved query performance with star schema.
Data Modeling with Cassandra
NoSQL Database Design
Designed and built Python-based ETL pipeline to process user activity data from CSV files. Created query-optimized Apache Cassandra database for music streaming analytics.
Get In Touch
I'm always open to discussing new opportunities, collaborations, or just having a chat about data engineering and technology.