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Nathan OShea

Nathan OShea




My Portfolio Highlights

My New Course

Introduction to Python

Data archaeologist, unearthing buried insights from historical records.

My Work

Take a look at my latest work.


Introduction to R


Introduction to Python


Intermediate Python

DataCamp Course Completion

Take a look at all the courses I’ve completed on DataCamp.

My Work Experience

Where I've interned and worked during my career.

TransUnion | May 2021 - Present

Senior Analyst

• Translated processes written in SAS code to R code. • Written scripts that help ensure internal data sources are of high quality. Examples of libraries used: skimr, ggplot2 and dplyr. • Developed customer acquisition and customer management scorecards within RStudio. I have developed these scorecards using a variety of techniques.
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TransUnion | Oct 2019 - May 2021



PureGym | Apr 2019 - Sep 2019

Member Services Advisor


ELITE Tuition | Aug 2018 - Nov 2018

Mathematics Tutor

As a GCSE and A level Maths tutor I had to teach younger students concepts in the most simple and relatable way I could. I used common scenarios to show students the importance of Maths in day to day life.

Frankie & Benny's | Feb 2015 - Apr 2018


Skills developed in this role: • Ability to work well under pressure. I was responsible for the wellbeing of multiple customers and could have multiple tasks to do at any given time. Regardless of how stressful this was at times, I was still able to provide professional and friendly service. • Working as part of a team. Team work was essential in this role, by ensuring that each member played to their strengths we were able to work efficiently and maintain customer satisfaction. • Communication and interpersonal skills. I had a responsibility to ensure that customers not only got what they asked for, but also to make them feel happy and valued.

My Education

Take a look at my formal education

Master of Science - MSc, MathematicsUniversity of Leeds | 2019
Bachelor of Science - BSc, MathematicsSheffield Hallam University | 2018

About Me

Nathan OShea

I'm a Senior Credit Risk Analyst at TransUnion.

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