Summary
Overview
Work History
Education
Skills
Timeline
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Mark Costales

Aberdeen,MD

Summary

Experienced Software Developer adept in Python, Java, and Data Science. Skilled in crafting HR and Payroll Analytics Dashboards using PowerBI, SQL, Python, and R to deliver actionable insights. Dedicated to mentoring in Python & Machine Learning, with a proven track record in predictive modeling and pattern recognition projects. General Assembly Data Science Immersive Fellow skilled in statistical methodologies and clinical trials analysis. MS in Biostatistics from NJIT.

Overview

6
6
years of professional experience

Work History

Software Developer

T2S Solutions
Belca, MD
06.2020 - Current
  • Developed custom web apps and specialized software for radio configurations, emphasizing user-friendly interfaces and seamless functionality.
  • Transitioned to software testing, ensuring quality and reliability of web apps and systems through rigorous testing and troubleshooting.
  • Held hybrid role as network engineer and software developer, configuring systems, integrating tools, and writing Python scripts for log processing and analytics, aiding data-driven decision-making.

Data Science Consultant

Sprout Solutions
Mandaluyong, Manila
10.2017 - 12.2019
  • Developed HR and Payroll Analytics Dashboards for analysis with Tableau, SQL, Python and R
  • Provided data-driven insights on company culture, engagement, performance, quality of hire, attrition, payroll, attendance, and team dynamics
  • Mentored interns in Python & Machine Learning
  • Speaker at Sprout Innovate event on the implementation of the Data Analytics Process

Lecturer

Ateneo de Manila University
Quezon City, Manila
01.2019 - 05.2019
  • Part time lecturer at the Department of Information Systems and Computer Science, delivered a class on Business Intelligence and Data Mining

Education

Bootcamp Graduate - Data Science Immersive Program

General Assembly
New York, NY
04-2017

Master of Science - Biostatistics

New Jersey Institute of Technology
Newark, NJ
05-2015

Bachelor of Arts - Economics

Rutgers University
Newark, NJ
05-2007

Skills

  • Python
  • Java
  • javascript
  • R
  • Power BI
  • Data Science
  • Statistics

Timeline

Software Developer

T2S Solutions
06.2020 - Current

Lecturer

Ateneo de Manila University
01.2019 - 05.2019

Data Science Consultant

Sprout Solutions
10.2017 - 12.2019

Bootcamp Graduate - Data Science Immersive Program

General Assembly

Master of Science - Biostatistics

New Jersey Institute of Technology

Bachelor of Arts - Economics

Rutgers University

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Mark Costales