Joshua Medina
Union,NJ
Summary
Meticulous Data Scientist accomplished in compiling, transforming and analyzing complex information through software. Expert in machine learning and large dataset management. Demonstrated success in identifying relationships and building solutions to business problems.
Overview
7
7
years of professional experience
Work History
Data Analyst Supervisor
Newark Board Of Education
02.2023 - Current
- Developed custom statistical models tailored to unique organizational needs improving predictive capabilities.
- Secured sensitive company information by developing robust data governance policies and practices compliant with industry standards.
- Optimized data collection methods, resulting in more comprehensive datasets for analysis.
- Developed automated reporting systems, reducing manual workload and increasing efficiency.
- Guided team on the implementation of machine learning algorithms for optimized data processing and analysis.
- Championed a culture of continuous learning within the team by promoting professional development opportunities such as workshops, webinars, or conferences for skill enhancement in relevant areas of expertise.
Data Scientist
Crescent Pointe Golf Club
08.2023 - Current
- Streamlined data collection methods to improve quality control measures and minimize errors in analysis results.
- Cleaned transformed, and analyzed large datasets to uncover hidden trends and patterns for actionable insights.
- Automated repetitive tasks using scripting languages such as Python or R, saving time during the analytical process significantly.
- Evaluated emerging technologies to assess potential applications within the organization''s existing infrastructure or future projects.
Senior Data Analyst
Newark Board of Education
08.2021 - Current
- Developed comprehensive models for interpreting collected data for stakeholders, increasing the efficiency of the data analysis process by 75%
- Constructed 16 intuitive and interactive data visualizations based off research analyses, presenting findings to stakeholders and identifying new opportunities resulting in a 10% efficiency increase
- Accelerated project completion by leveraging expertise in Python, R & SQL technologies, meeting goal of executing one new quarterly venture to improve data analysis
- Identified and rapidly addressed data issues cross multiple HR systems like PeopleSoft, Kronos, AESOP & Frontline for seamless user experience across echelon staff
- Delivered instruction on best practices with survey design & development, culminating in 35% increase in overall accuracy of data.
Data Analyst
Essex County Hospital Center
08.2017 - 07.2021
- Maintained up-to-date compliance as per HIPAA, CMS, and TJC regulations with quarterly mock surveys detecting deficiencies & identifying steps to rectify them
- Delivered comprehensive reports using R for statistic and Tableau for visualization for 15 mock surveys outlining unsafe conditions & methods for improvement over a 6 month period, resulting in 95% satisfaction rating from accreditation boards
- Investigated 260 incidents by analyzing medical records and patient complaints, ensuring regulatory & agency compliance and maintained records in a MySQL database
- Created several automated data management tools utilizing Python and Tableau for constant visualization for any of the governing boards.
Vacancy Tracking and Hiring Practices
Newark Board of Education
08.2022 - Current
- Devised custom Google Sheets dashboard utilizing Query Import to facilitate real-time organization of over 800 vacancies and the corresponding hiring processes
- Enhanced information accuracy & communication between principals & HR professionals through data tracking & analysis, increasing job offer rate by 25%
- Utilized constructed dashboard as an insight tool, enabling school leaders to attain detailed understanding of up-to-date vacancies resulting in a 20% reduction in resolution time.
Education
Masters of Data Science and Computational Technology -
New Jersey Institute of Technology
Newark, NJ08.2024
Communication Studies and Public Relations -
Rollins College
Winter Park, FL05.2015
Skills
- Python Programming
- Machine Learning
- SQL Databases
- Statistical Analysis
- R Programming
- Big Data Analytics
- Scikit-Learn
- Neural Networks
- Feature Engineering
- Business Forecasting
Languages
Spanish
Native or Bilingual
Timeline
Data Scientist
Crescent Pointe Golf Club
08.2023 - Current
Data Analyst Supervisor
Newark Board Of Education
02.2023 - Current
Vacancy Tracking and Hiring Practices
Newark Board of Education
08.2022 - Current
Senior Data Analyst
Newark Board of Education
08.2021 - Current
Data Analyst
Essex County Hospital Center
08.2017 - 07.2021
Masters of Data Science and Computational Technology -
New Jersey Institute of Technology
Communication Studies and Public Relations -
Rollins College
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