Head of Search and Data Science
Apr 2018 – Present

  • Set up and lead the Data Science and Product Analytics function.
  • Manages search and recommendation-related products and features.
  • Defines the vision, strategy and quarterly roadmaps for search and recommendation improvement.
  • A key stakeholder in shaping the organisation’s data lake and analytics platform based on event-driven architecture.

Search Quality Lead
Jan 2015 – Mar 2018

  • Instituted Search Quality at SEEK. Led the function responsible for tracking, measurement, evaluation and relevance improvement of search products for candidates and hirers.
  • Pioneered frameworks to enable quick, iterative measurable improvements to all search products.
  • Established collaboration between SEEK and world-renowned researchers in Information Retrieval and Machine Learning at RMIT University and The University of Melbourne.
  • Built a track record of translating research outcomes from collaboration with universities into innovative solutions for solving user problems and moving key business metrics.
  • Have strong experience with demonstrating business values in the employment marketplace through improving search efficiency for candidates and hirers.
  • Awarded the following recognitions: 2016 SEEK Annual All Staff (This Is SEEK) Awards, the 4th and the 6th SEEK Hackathon (SEEK Internal Innovation Challenge), and the 2015 ARC Linkage Grant.

Search Data Specialist
May 2014 – Dec 2014

  • Set up crowdsourcing tasks for establishing the validity of structured data assets.
  • Developed similarity model for discovering related role titles.
  • Developed methods for clustering and normalising company names.

Lead Ontologist
Apr 2013 – Apr 2014

  • Led the establishment of in-house tools and methodologies for (semi-)automatically constructing lightweight ontologies in an Agile environment.
  • Developed state-of-the-art knowledge extraction techniques in Java, Oracle and Solr, and applies them on unstructured text (e.g., business websites, customer reviews, product descriptions) for constructing and enriching ontologies.
  • Work with Search Engineers on improving performance and experience of search using structured data from the ontologies.
  • Awarded the following recognitions: the 5th TNT Day (Sensis Internal Innovation Challenge).

RMIT University
Postdoctoral Research Fellow
Mar 2011 – Mar 2013

  • Developed client/server applications and Android apps for answering questions, engaging users in topic-based chat (both using QA pairs) and managing transitions between dialogues for coherence using Java, Perl, PHP, XML, Javascript, MySQL.
  • Administered Web and database servers on both Windows and Linux platforms for delivering the topic-based chat service.
  • Written and published 10 articles on the various aspects of the following project: Artificial companion for children using BDI agents.
  • Co-supervised 2 PhD students.
  • Awarded the following recognitions: the 3rd Telstra Innovation Challenge.

The University of Western Australia
Postdoctoral Research Associate
Sep 2010 – Feb 2011

  • Developed a Web-based system that detects and tracks human poses in video frames (with performance comparable to the state-of-the-art) using C/C++ and OpenCV.
  • Written and published 3 articles on the various aspects of the following project: People detection from unconstrained image sequences.

The University of Western Australia
Postdoctoral Research Associate
Sep 2009 – Aug 2010

  • Developed Web applications for real-time correction of spelling errors and expansion of abbreviations for progres notes, and validation of prescriptions using .NET/C#, Perl, PHP, XML/HTML, Javascript, MySQL and Microsoft SQL Server. The accuracy of correction and validation is around the 90% mark with the system response time approaching average typing speed.
  • Written and published 1 article on the various aspects of the following 2 projects: Clinical progress note analysis and Drug prescription validation based on prescribing habit and featureless similarity.
  • Co-supervised 2 PhD students.
  • Awarded the following recognitions: the University of Western Australia (UWA) Research Development Awards (RDA).

Universiti Teknikal Malaysia Melaka
Jun 2005 – Mar 2006

  • Coordinated and conducted lectures and tutorials for the diploma subjects Data Structures and Algorithms (C/C++, Java), and Manufacturing Information Technology.
  • Assisted in tutorials and labs for the undergraduate degree subject Web Application Development (PHP, HTML, Javascript, Perl, CSS, XML).
  • Supervised 8 undergraduate students for their final year projects.

Universiti Teknikal Malaysia Melaka
Jun 2003 – May 2005

  • Coordinated and conducted lectures and tutorials for the undergraduate degree subject Multimedia Systems.
  • Led and promoted activities within the committees for setting up of a new undergraduate course in Artificial Intelligence, academic writing, publication and web development, and faculty infrastructure.