Eric Hartman

Eric Hartman

Mentor
5.0
(4 reviews)
US$30.00
For every 15 mins
6
Sessions/Jobs
ABOUT ME
MLE | DE | BIE | SWE
MLE | DE | BIE | SWE

I currently manage a Machine Learning Engineering department for one of the largest media companies in the world.

I have a passion for learning new things, and being as independent and multifunctional as possible.

Over the last 12+ years I have been fortunate enough to hold the following technical and leadership titles across companies such as Amazon, SunGard AS, Odessa Technologies, and Cadent:

Technical Roles

  • Lead Business Intelligence Engineer
  • Machine Learning Engineer
  • Data Engineer

Leadership Roles

  • Manager of Business Intelligence
  • Manager of Machine Learning Engineering

Consultancy Roles

  • Business Analyst / Project Manager

Working across Business Intelligence, Data Engineering, and Data Science / Machine Learning in both leadership and technical roles has given me a very well rounded experience.

English
Central Time (US & Canada) (-05:00)
Joined May 2018
EXPERTISE
9 years experience
I use Python most frequently for ETL activities in the BI domain space. For example, fetching information from SQL Server and outputting...
I use Python most frequently for ETL activities in the BI domain space. For example, fetching information from SQL Server and outputting it to Microsoft Excel; or, calling the Tableau Server and Google Analytics APIs, manipulating the data, and outputting it to SQL Server and Excel. More recently, however, I’ve used Django built a RESTful API and web application. Coming from a background in Java, most of my programs are object-oriented, but I do have some experience with functional programming in Python. My IDEs of choice are Pycharm and VS Code. I use Github and Team Foundation Server for source control. Lastly, I have experience with virtualenv and Docker for environment management.
9 years experience
I have worked with and administered relational database servers professionally for quite some time. I have the most experience with SQL S...
I have worked with and administered relational database servers professionally for quite some time. I have the most experience with SQL Server for OLAP activities, but I’ll work with PostgreSQL and design transactional schemas from time to time. Importantly, my professional experience has been exclusively with ‘big data’ stored in highly relational and complex schemas. As a result, I tend to focus heavily on writing performant and dynamic SQL.
Microsoft SQL ServerOltpOLAPDynamic SqlProfiling and optimizationRelational database designPostgreSQL
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4 years experience
I’ve worked as a Tableau Server administrator (server level, 8 core cluster) for over 4 years. I have overseen the implementation of mu...
I’ve worked as a Tableau Server administrator (server level, 8 core cluster) for over 4 years. I have overseen the implementation of multiple upgrades, and personally administered multiple customizations and ‘hacks’ to the server’s CSS files. From a Tableau Desktop perspective, I am a proficient developer, and I enjoy leveraging Tableau’s REST and JavaScript APIs to extend dashboard functionality and automate common business intelligence tasks. Please feel free to reach out to me for help with Tableau Desktop, Tableau Server, or Tableau’s APIs.
Tableau rest apiTableau javascript apiTableau
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Tableau rest apiTableau javascript apiTableauTableau DesktopTableau serverTabcmd
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REVIEWS FROM CLIENTS

5.0
(4 reviews)
James Home
James Home
July 2018
My first CodeMentor experience was a positive one. Eric is straight-forward, friendly, patient and professional but also knowledgable in his field and was able comprehend my problem and drew up a model quickly. Will undoubtedly want to work with Eric again.
Philip Forte
Philip Forte
July 2018
Great Mentor!!! Eric was able to help me quickly solve my problem. He is able to explain things very clearly and in a way that makes sense. He was able to think quickly and find creative solutions to help me not only achieve my goal but do so in a way that surpassed expectations. THANKS ERIC!
Dagfinn A. Mork
Dagfinn A. Mork
May 2018
I found Eric to be fair and square with me, providing sound advise and he came across as knowledgeable in his field (I needed PostgreSQL tips). I for one will use him again!
tmal
tmal
May 2018
Originally I connected with Eric for help debugging a SQL query that I had scripted. I immediately saw that he was highly talented and versatile in this area. He understood what I was trying to accomplish in minutes. It is rare to find an expert in SQL Server that also understands the financial vocabulary that was needed to discuss my problem. Overall Eric went above and beyond my expectations and helped me solve my problem quickly. I would definitely recommend Eric and feel very lucky to have connected with him.
John Romankiewicz
John Romankiewicz
May 2018
Eric was very helpful in looking through my data, and having me walk him through different use cases so he could understand my problem.