Experience

WiseTech Global

• Australia
• Software Development
• 700 & Above Employee

• Software Engineer

  • Aug 2023 - Present



Zetaris

• Australia
• Data Infrastructure and Analytics
• 1 - 100 Employee

• Software Developer

  • Jun 2022 - Mar 2023

  1. Data Virtualization Engine Backend Development - Modification of the original Spark - Adding new customised query sentences and parser for Spark to handle different types of data from different types of data sources including AWS env - Building robust and consistent unit test codes under the singleton JVM + Spark instance environment - Scala/Java Development 2. API Server for Web Frontend - Functional Programming using Scala - Query to PostgreSQL databases from REST API calls - Property-based Testing and Test-driven Development methods - Development of Dockerised software service Show less



AhnLab, Inc.

• South Korea
• Computer and Network Security
• 200 - 300 Employee

• Software Engineer

  • May 2020 - Mar 2022

  1. Development & Maintenance of ETL Services - Streamed data from Kafka to AWS S3 and Cassandra database - Scheduled microservices deployed to Kubernetes environment - Data extraction using Apache Thrift - Data transformation into Parquet file format using Spark APIs - Including maintenance Kafa infrastructure under Kubernetes environment - Java/Scala Development - Creating Helm Chart for Deployment in Kubernetes 2. Development Data Generation Services for Integration Tests - Building and running under Kubernetes environment - Building test dataset from Parquet files in AWS S3 - Publication for streamed data into Kafka in test environment - Creation of Cassandra schema and queries for test - Python Development - Creating Helm Chart for Deployment in Kubernetes 3. CI/CD - Scripts for automated deployment of release versions - Scripts for automated distribution of data set used for live services - Linux Shell Scripting Show less

• Software Engineer

  • Jul 2018 - Apr 2020

  1. Data Security Framework Development - Developing data distribution & store services to AWS S3 - Developing a client agent program for Windows users - GoLang Development 2. Employee Reward System using Ethereum NFT System - Developing Smart Contracts for private Etherium-based ledger: Smart contracts are software services running on the Etherium - Solidity Development: Solidity is a specialized and dedicated language for Ethereum smart contract development