Kevin Comaduran

Kevin Comaduran

Data Analyst
USA
English
Apprenticeship Work from Home

About Me

Driven-driven Junior Data Analyst with 3+ years and a Bachelor’s Degree in Computer Science, experience focused on mission impact, requirement gathering data cleaning and building Dashboards in Data Analytics. Proven tra…

Experience

Data Analytics & Development Apprentice

Coding Temple · Remote
Aug 2025 - Present · 1 year 2 months

<p>Built end-to-end predictive model by data cleaning using Python and scikit-learn regression/ML techniques to forecast alumni salaries, improving model accuracy by 40% and supporting evidence-based decision-making with data visualizations.</p><p> Analyzed procurement and acquisition decision-making, Cleaned, transformed, and aggregated raw datasets using Python (Pandas) and Structured Query Language(SQL); performed data quality checks and validation on modeling results to ensure accurate, error-free outputs and created data visualization and reports.</p><p> Designed and deployed a Django user interface to host predictive models and visualizations, explaining data to non-technical stakeholders and technical audiences with self-service analytics products.</p><p> Optimized Structured Query Language(SQL) database schemas and resolved data integration issues; collaborated with other team members to troubleshoot problems and proactively design solutions.</p><p> Documented queries, transformation logic, model parameters, and expected outcomes to support team reproducibility that translate business requirement into scalable analytics solution and provide evidence-based recommendations</p>

Data Analyst

Project Based and Development · Houston , Texas , United States of America (USA)
Jun 2022 - Aug 2025 · 3 years 2 months

<p>Dedicated five years of hands-on project with Curiosity mindset with continuous development of my skills.</p><p> Completed Coding Temple Certification and undertook freelance projects to build detail-oriented robust portfolio in data analyst.</p><p> Developed strong creative problem-solving skills and eager to learn more.</p>

Department of Defense Intern

Alabama A&M University · Huntsville, AL
May 2022 - Jun 2022 · 1 month

<p>Built and tuned predictive Artificial Intelligence model applying parameter estimation, hyperparameter tuning, and statistical evaluation, achieving 99.36% validation accuracy</p><p> Performed quality checks on modeling results, evaluated accuracy-runtime tradeoffs, and identified trends and anomalies behind model performance variations.</p><p> Communicating complex PowerPoint presentation technical Information through Research findings to DOD officials and non-technical stakeholders through clear written narratives, visualizations through using clear communication of finding presentation.</p><p> Collaborated within a 10-person cross-functional team using Agile methodologies to deliver projects independently and on short deadlines.</p>

PROJECTS

Salary Prediction Analysis

Freelance · https://github.com/WatchTheory/salary-prediction
Duration : 07-Jul-2026 - 31-Aug-2026

<ul><li>Cleaned and preprocessed large-scale data analysis job postings using Pandas, applying IQR-based outlier removal and resolving randomly imputed location data that was corrupting cost-of-living features across the dataset.</li><li>Conducted end-to-end exploratory data analysis with Matplotlib, Seaborn, and Plotly, producing interactive data applications of salary distributions, skill frequency, and feature correlations to create actionable insights.</li><li>Engineered features and trained four regression models (Linear Regression, Random Forest, XGBoost, LightGBM) using scikit-learn; diagnosed and root-caused negative R² scores as a data quality issue rather than a modeling failure, documenting findings transparently.</li><li>Built and deployed an interactive Streamlit dashboard to Streamlit Community Cloud, enabling recruiters and hiring managers to filter salary trends by location, experience level, company size, and skill set in real time.</li></ul><p></p>

Oil Export Analysis — Power BI Dashboard - Jr Data Analyst

Freelance · https://github.com/WatchTheory/Crude-Oil-Report
Duration : 01-Sep-2023 - 19-Oct-2023

<ul><li>Analyzed procurement and acquisition decision-making, Transformed reporting requirements U.S. trade datasets into an interactive Power BI dashboards with drill-down views and reporting assets, Trend Identification, dynamic charts, data visualizations and geographic visualizations.</li><li>Applied Power Query (DAX) measures and used advance Excel data analysis sections and used data modeling to turn numbers into plain language and create actionable insights, enabling stakeholders communication to make data-driven program and economic decisions.</li></ul><p></p>

Skills

Analytics Data Analysis Professional Information Systems Management Microsoft Excel Reporting Structured Query Language (SQL) Data Analysis Skills Power BI R Programming Language (R) Statistical Analysis Tableau Python pandas NumPy scikit-learn SQL Predictive Modeling Regression Machine Learning Supervised Learning AI-Agents Hyperparameter Tuning Parameter Estimation Data Modeling Model Validation Distributions Confidence Intervals Excel Formulas Tableau Power BI DAX Looker matplotlib seaborn plotly Interactive Dashboards Excel VBA ETL Data Cleaning Data Transformation Data Aggregation Data Quality Checks MySQL MongoDB Databricks Django Flask Jupyter Streamlit Docker Git Linux uv pyproject.toml Microsoft Office Technical-to-Non-Technical Translation Stakeholder Presentations Process Documentation Cross-Functional Collaboration Agile methodologies
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