Open to Internships · Data & Backend

Justin (Juhwan) Lee

IT student building data pipelines, APIs, and dashboards in Australia.

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About Me

JL

Trilingual IT student with hands-on experience in data analysis, project management, and process optimization. Skilled in Python, SQL, and cloud platforms, with practical experience leading annotation and automation projects.

Passionate about supporting AI data ecosystems and social content platforms through accurate data modeling and efficient project delivery. Currently contributing to community projects through the City of Sydney's ISLA Program.

Location

Sydney, Australia

Email

ausjustin12@gmail.com

Languages

English, Korean, Chinese

Availability

Open to opportunities

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Education

Bachelor of Information Technology

Victoria UniversitySydney Campus

Oct 2024 - Sep 2026
Expected
Databases & Data EngineeringCloud Computing FundamentalsBackend DevelopmentSoftware Engineering Practices

Diploma of Information Technology

Victoria UniversitySydney Campus

Oct 2023 - Sep 2024
Completed
Programming FundamentalsData Structures & AlgorithmsWeb DevelopmentDatabase Design

Bachelor of Flight Vehicle Design and Engineering

Harbin Institute of TechnologyHarbin, Heilongjiang China

AUG 2018 - JUL 2022
incompleted
Drop out of colleage after only two yearTwo years gap between 2019 and 2021 due to Military service

Experience

International student leadership and ambassador

City of Sydney

Sep 2025 - Present
volunteer
  • 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.

AI Business Analyst

Internship

Sep 2025 - Present
Part-Time
  • Defined business requirements through stakeholder engagement
  • Designed PoC and iterative prototypes with v0.app & LLM tools
  • Applied data validation, KPI tracking, and ROI analysis
  • Delivered reports and demos bridging technical and business teams

Team Supervisor

YH Interior

Jun 2024 - Sep 2025
Contractor
  • 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

Cancer Data Analyst

Ausbiz Consulting

JAN 2025 - FEB 2025
Internship
  • Evaluate data analysis technologies including PostgreSQL, Google Colab, and Generative AI
  • Provide data-driven recommendations for improving healthcare strategies
  • Enhance data exploration, visualization, and interpretation skills to communicate findings effectively
  • Extract valuable insights through in-depth analysis of cancer datasets

Operations Clerk / Squad Leader

Republic of Korea Army Aviation Command

AUG 2019 - MAR 2021
Full-Time
  • 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 Work

Volunteer — 2025 LBW Trust Gala Dinner

The LBW Trust (Learning for a Better World)

24 October 2025
Sydney Cricket Ground (Noble Room), Sydney, Australia
7 hours
  • 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

PythonSQLPostgreSQLETL PipelinesREST APIsData Modeling

Data Tools

PandasNumPyMatplotlibSeabornPlotlyScikit-learn

Streaming (Basics)

Apache SparkApache KafkaApache FlinkReal-time Processing

Infrastructure & DevOps

DockerAWS S3AWS LambdaAWS RDSGitGitHub

Frontend

ReactNext.jsTailwindCSSHTMLCSSJavaScriptTypeScript

Featured Projects

UrSaviour

Grocery Deals Tracker

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.

ReactTailwindCSSNode.jsPostgreSQLAWS S3DockerETL
Visit SiteView Code

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.

PythonPandasPostgreSQLETLJupyterData Analysis
View Code

SiteSync Solutions

SMB Web Platform

Full-stack web platform for small and medium businesses offering drone services and BIM solutions. Modern, responsive design with focus on performance and user experience.

ReactTailwindCSSNext.jsViteTypeScript
Visit Site

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.

PythonAWS RedshiftAWS S3IAMSQLETLIaC

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.

PythonApache CassandraNoSQLETLData Modeling

Get In Touch

I'm always open to discussing new opportunities, collaborations, or just having a chat about data engineering and technology.

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