Young Liu

Python Machine Learning Developer at The ai Corporation

Kensington, England, United Kingdom

About

Machine Learning Engineer with experience in fraud detection, predictive modelling, LLM applications, AI agents, RAG, data engineering, and full-stack development. Skilled in building and deploying machine learning solutions, automating workflows, processing large-scale datasets, and enhancing business systems using Python, PySpark, Django, Docker, Kubernetes, and data pipeline automation.

Experience

  • Python Machine Learning Engineer at The ai Corporation
    Nov 2022 - Present · 3 yrs 9 mos

    • Develop machine learning models to evaluate existing fraud detection rules and identify new rule opportunities. • Apply machine learning and deep learning techniques to improve fraud risk scoring and overall detection performance. • Build LLM- and agent-based solutions to generate fraud alert explanations and automate fraud detection workflows. • Develop AI agents and RAG-based solutions to automate internal tasks and improve access to enterprise knowledge. • Containerize applications with Docker and deploy them on Kubernetes to support scalable, reliable operations. • Process large-scale datasets using PySpark to support fraud analytics and model de

  • Data Analyst at Abacus Auctions
    Feb 2018 - Oct 2022 · 4 yrs 9 mos

    Built machine learning models to predict customer purchasing behaviour for personalized marketing and to predict the upcoming auction results, resulted in reducing marketing cost by approx. 15%. Analysed complex datasets to gain insights on customer preferences and generating reports using Python and R; Maintained and enhanced CRM system to meet new business requirements and integrated multiple existing systems using Python and PHP; Managed a data migration project from multiple data sources and built data pipeline to automate data transfer using Python and Bash script;

  • Web Developer at Mossgreen Auctions
    Dec 2014 - Jan 2018 · 3 yrs 2 mos

    Analysed complex datasets to gather insights on customer collecting interests and purchasing patterns, thereby enhancing customer service and guiding management decisions; Developed new modules on CRM system using Python and PHP to support new business goals and ongoing data transfer between systems; Managed a data migration project to a new auction management system, which involves a huge volume of data cleaning and processing; Automated data transferring pipeline and daily tasks using Python and Bash script;

  • Web Developer at Prestige Philately Pty Ltd
    Aug 2011 - Dec 2014 · 3 yrs 5 mos

    Independently developed a complex web-based management system using PHP/Zend and MySQL, functions include live auctioning, lotting, invoicing, stock management, shipping management and pdf auction catalogue creation; Analysed complex datasets to extract customers collecting interests and purchasing behaviour to set up catalogue mailing list, successfully identified VIP and inactive clients, which reduced marketing cost; Automated several general administration tasks using Python and Linux Bash script.