Steven Nicolaou, Data Scientist and Developer in Boston, MA, United States
Steven Nicolaou

Data Scientist and Developer in Boston, MA, United States

Member since May 28, 2019
Steven is a C# and Python developer, data scientist, search engineer, strong communicator, and creative thinker with 15 years of consulting experience in enterprise search and big data. He's focused on original and innovative solutions and has architected large search implementations across industries, including BP, Best Buy, Merck, McGraw Hill, Barnes & Noble, Goldman Sachs, Ernst & Young, the US Department of Justice, Dell, Xerox, and Kraft.
Steven is now available for hire



  • Development, 19 years
  • Data Science, 2 years
  • Pandas, 2 years
  • Python 3, 2 years
  • Scikit-learn, 1 year
  • Spark, 1 year


Boston, MA, United States



Preferred Environment

Windows, Visual Studio, Pycharm

The most amazing...

...solo project I've built is a rule-based data cleansing and normalization pipeline for a Fortune 500's eCommerce website.


  • Data Scientist

    2018 - PRESENT
    • Built a data cleansing and normalization pipeline for a Fortune 500 company's entire eCommerce catalog using Pandas and Spark.
    • Built an equivalent product matcher for 2 global regions using Whoosh.
    • Built customer feedback topic clusters for executive action using Pandas and Carrot2.
    • Built an SEO category landing page tagger using product metadata.
    • Built a product taxonomy classifier for products with missing taxonomy tags using Scikit-learn, Pandas, and Solr.
    Technologies: Python, Scikit-learn, Pandas, Carrot2, Spark, Whoosh, Elasticsearch
  • Principal Consultant

    2008 - 2015
    Microsoft Corporation
    • Architected global enterprise search deployments for major corporations using SharePoint and FAST.
    • Led relevance tuning and conducted customer education workshops.
    • Developed the FAST ImPulse eCommerce search engine.
    • Served as the team lead on many enterprise search deployments.
    • Helped a customer build an innovative chemical search by drawing chemicals.
    Technologies: Enterprise Search, SharePoint, C#, Powershell, SQL Server
  • Architect

    2003 - 2008
    FAST Search
    • Architected many enterprise search deployments.
    • Assisted with development, product management, analysis, deployment and support for FAST Impulse eCommerce search engine.
    Technologies: FAST, Python, C#, PHP



  • Languages

    Python 3, C#, SQL
  • Libraries/APIs

    Pandas, Scikit-learn
  • Frameworks

  • Platforms

    Windows, Linux, Azure
  • Other

  • Tools

    Solr, Git, Apache Solr
  • Paradigms

    Agile, Data Science
  • Storage



  • Master of Business Administration degree in Entrepreneurship
    2007 - 2009
    Babson College - Wellesley, MA
  • Bachelor of Science degree in Computer Science
    2001 - 2003
    Wentworth Institute of Technology - Boston, MA
  • Diploma in Computer Science
    1995 - 1998
    Cyprus University of Technology - Nicosia, Cyprus
  • Microsoft Specialist: Azure Solutions
    APRIL 2015 - PRESENT
  • Microsoft Certified Technology Specialist: SharePoint 2010, Configuration
    JUNE 2011 - PRESENT
  • Microsoft Certified Technology Specialist: SharePoint 2010, Application Development
    MAY 2011 - PRESENT

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