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Data Analyst

Brooklyn, NY
December 31, 2018

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Thomas Herlihy

Brooklyn, NY, *****, USA




Develops web applications implementing the Repository Design Pattern.

Creates Windows applications and custom tools for automating repetitive processes and time consuming tasks.

Leverages data and analytic tools to surface data, create dashboards and visualizations.

Proficient in transformation of high volume customer data from multiple formats, into clean and consistent data.

Capability in documenting data flows and entity relationship diagrams.

Skilled in developing and executing data analytics from web data extraction for business intelligence.

Investigates data management processes to identify and develop innovative solutions to improve data quality.

Experienced in Agile development practices.

Graduated in 2014 from Salford University, Manchester UK, after four years of study leading to a good B.Sc in Computing with Business (2:1 Honors: equivalent to magna cum laude).

US citizen eligible to work in the US, UK and Europe. Open to travel within US and beyond if required.


Languages – C#.NET, SQL, JavaScript, PHP, LookML, PostgreSQL.

Data – S3, Redshift, Looker, Datadog, LINQ, JSON.

Frameworks & Development Tools – Visual Studio, SQL Server Management Studio, SQL Server Data Tools, Microsoft Azure, Dapper ORM, Amazon Web Services, GitHub, Databricks, Bluemix, Eclipse, NetBeans, WordPress, Filezilla, Access, Visio.


Data Analyst

JetBlue Airways, New York Aug 2018 - present

Leading a team to refactor stored procedures and adhoc scripts to run more efficiently in a PDW.

Supporting migration of legacy systems to cloud technologies.

Conducting exploratory analysis of big data sets to discover anomalies and inconsistencies.

Data Analyst and Developer

Namely, New York Oct 2017 – Aug 2018

Developed web applications in the MVC framework using C#.NET Core and Dapper ORM.

Performed extraction of data sets from multiple platforms to conduct hygiene and QA steps, for upload to Namely’s HR platform.

Utilised advanced Excel, SQL, and C# for data validation and transformation.

Created Windows applications and custom utilities for automating repetitive processes and time consuming tasks.

Used Looker reporting tools to surface data needed for looks, dashboards and visualization, and to build innovative solutions to replace repetitive clerical processes.

Created Datadog dashboards to analyse usage of API endpoints.

Developed ad hoc reports to meet client and management needs.

Data Analyst and Developer Dec 2016 – Oct 2017

Dialog Direct, Robbinsville, New Jersey

Developed, maintained, and executed code module/software tools to produce high quality data extracts required for high-volume direct mail projects. Leveraged C#, with high usage of MS-SQL and advanced Excel functions.

Created from scratch, maintained comprehensive data diagrams, in MS Visio to improve visualization of dataflow.

Ensured accuracy of all processed data and system related reports through robust QA processes.

Interfaced with Imaging, Pre-Press, Production and Client Services to insure client expectations were met.

Logged and stored client source data into data file inventory system.

Participated in cross-department audits of Data Processing functions.

Thomas Herlihy

Data Analyst June 2015 - Nov 2016

Techvanguard/Pacbasin Technology, Manhattan, New York

Developed sitemaps and scripts for web data extraction of product prices using JSON, Python and Bash.

Applied advanced HTML and CSS interpretation of e-commerce websites.

Created price comparison reports for e-commerce clients using Excel macros and formulas.

Performed analysis of historical price change and trends for competitive business intelligence.

Discovered and resolved data anomalies, automating corrective actions for ongoing improved efficiency and accuracy.

Developed applications using Databricks and Spark framework leveraging S3, Python, SQL and Scala.

Migrated processes to newer tools & technologies emerging within the data analytics industry.

Freelance Web Developer Oct 2014 - June 2015

Upton Realty Group, Garabedian Realty Group, Cayenne Realty Group,

ESR Property Management, Manhattan, New York

Technical Consulting, Web Development, Data Migration, Graphic Design, Search Engine Optimisation.

Web Developer Intern Sept 2014 - Dec 2014

Andean American Association & Upton Realty Group, Manhattan, New York

Development and maintenance of WordPress and Drupal websites with PHP, HTML5, CSS3 and SEO.

Freelance Web Developer Sept 2013 - Sept 2014

Manchester, United Kingdom

Web development and consultancy for small business clients.


B.Sc. Hons in Business Computing with IT (GPA 3.4) Sept 2013 - July 2014

Salford University, UK.

Foundation Degree in Enterprise Computing (GPA 4) Sept 2011 - June 2013

Manchester Metropolitan University, UK.

BTEC in Computing with IT (GPA 4) Sept 2010 - June 2011

Wigan and Leigh College, UK.

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