SQL • DATA ANALYSIS • DATA QUALITY

Nikka Roldan

Data Analyst

I transform messy datasets into reliable insights through SQL automation, data quality auditing, and analytics.

Skills

Tools Behind The Analysis

Spreadsheets

MS Excel, Google Sheets

SQL

MySQL, PostgreSQL, BigQuery

Data Visualization

Power BI, Looker Studio, Metabase

Programming Languages

SQL, C, JavaScript, Python, HTML, CSS

Projects

Understanding Data, One Query At A Time

A macro-enabled Excel workbook for personal budget tracking with automated calculations, category summaries, and monthly trend visualizations.

Excel VBA Macros

Personal Budget Tracker

Excel • VBA • Data Modeling

A client feedback and service information system for PUP's Office of the University Registrar — built with PHP MVC, MySQL, RBAC, and analytics dashboards.

PHP MySQL

Client Feedback System (CFSIS)

PHP • MySQL • MVC Architecture

A fully-featured Snake game built in Java with OOP principles — includes bonus food, customizable themes, collision detection, and a game engine loop.

Java OOP

Snake Game

Java • OOP • Game Development

Play Now

Experience

Building Better Data Workflows

SPINS, LLC

Data Activation & Delivery Analyst | Dec 2025 – Present
  • Classified and attributed 23,000+ retail products.
  • Reduced manual product reviews by 20–21% through workflow improvements.
  • Built SQL audit scripts reducing audit queues by 81%.

Department of Agriculture

Science Research Technician III | 2023
  • Applied statistical and sensory analysis for food innovation.
  • Built automated reporting tools using Google Sheets.
  • Analyzed budget data to identify overspending patterns.

Limketkai Manufacturing Corporation

Research & Development Specialist
  • Conducted market research and consumer insight studies.
  • Performed retail data analysis to evaluate brand performance.
  • Prepared technical documentation for FDA product approvals.

Contact Me

Contact Me

Interested in collaborating or learning more about my work? Send me a message and I'll get back to you.

Work With Me!

I'm currently open to opportunities in data analytics, reporting, and data quality automation. If you're looking for someone experienced in SQL, large dataset analysis, and workflow optimization, feel free to reach out through the contact form.

Open to opportunities
Replies in 24–48 hours