Aspiring Data Engineer Intern with SQL Expertise

Victoria Hernandez

Katy, TX ***** LinkedIn 832-***-**** ************@*****.***

SUMMARY

Aspiring Data Engineer experienced with designing relational databases, building SQL queries, and ensuring high-volume data reliability and integrity. Skilled in identifying process improvements, designing data workflows, implementing validation checks, and optimizing data systems. Experienced in system documentation, with a focus on scalable, accurate, and secure data management. SKILLS AND COMPETENCIES

● Programming & Development: Java, Python, C++, CSS, HTML, JavaScript

● Databases & Systems: MySQL, Microsoft Access, AWS, Windows 8–11, macOS

● Software & Tools: Word, Excel, PowerPoint, Visio, Photoshop

● Languages: English, Spanish

RELEVANT COURSEWORK

CIS 3343 - “Emily Bakes Cake” Case Study Fall 2024

• Identified business gaps in operations and designed solutions to digitalize order tracking, customer data, and mobile accessibility, improving operational efficiency and reliability.

• Implemented system documentation, including Context, Level 0, and Level 1 DFDs and an ERD using Visio, ensuring consistent and scalable data processes across the project.

• Developed a data dictionary and CRUD matrix in Excel to define data structures, relationships, and interactions for reliable data management and easier future modifications. CIS 4365 - “Mama’s Little Bakery” Case Study Fall 2025

• Designed a relational database system supporting inventory, customers, orders, employees, suppliers, and sales reporting, improving workflow and overall system functionality.

• Built mock data in SQL databases and implemented primary/foreign key validation to ensure data integrity, accuracy, and proper reporting for testing purposes.

• Developed SQL queries for extraction, supporting reporting and resolving inconsistencies to improve data reliability, efficiency, and usability for business decisions. WORK EXPERIENCE

Walmart Katy, Texas

Cash Office Clerk & Customer Service Associate 2018-2020

● Managed and reconciled $500–$750 in daily financial data using accounting systems and transaction logs, optimizing accuracy, workflow, and operational reporting processes.

● Reviewed and validated high-volume transaction records (30–60 daily), identifying discrepancies and implementing data integrity measures to improve workflow efficiency, accuracy, and audit readiness.

EDUCATION

University of Houston – Cullen College of Engineering Houston, Texas Computer Information Systems - BS Minor in Business Administration 2026

● Overall GPA: 3.0, Major: 3.5 Future Information Technology Professionals (FITP) member. Lone Star College Houston, Texas

Associate of Arts and Sciences (AAS) 2023

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