David Martinez
Data Analyst
Dedicated data analyst with 3+ years of experience driving business decisions through actionable insights. Skilled in analyzing complex data sets and creating clear visualizations to communicate findings to diverse clients. Proven track record of providing exceptional support to clients. A quick learner with excellent attention to detail and a passion for finding solutions to challenging problems. **********@*****.*** 469-***-****
Grand Prairie, TX, US dmartinez.carrd.co/
linkedin.com/in/dmart02
GENERAL SKILLS
Data Analytics & Analysis Data Modeling Data Processing Data Blending Analytical Problem Solving Data Cleansing Analytical Thinking Attention to Detail Data Prepartion Data Management Data Visualization Data integration Finance ETL Root Cause Analysis
PROJECTS
DoorDash Data Analysis Project - Microsoft Excel
Used DoorDash case study to understand the data, find business opportunities
& insights, and develop data-driven action to optimize results of the marketing campaign & generate value of the company.
This project analyzed consumer spending trends in the food delivery sector, highlighting iFood's market strength and the pandemic's impact on mobile food delivery adoption.
Key insights included the strong correlation between income and spending
(75% variability), age-based income averages, and a notable 184% growth in new and repeat customers for DoorDash.
World Banking Analysis Project - SQL
Utilized SQL analysis to examine the country's financial situation, its response to challenges such as climate change, and its recovery efforts. This project analyzed Nepal's response to climate-related disasters, focusing on earthquake recovery, financial sector stability, and infrastructure resilience. Key findings include the economic and humanitarian impacts of these initiatives, with a notable $7.7 billion loan supporting Nepal's rebuilding efforts and adaptation to ongoing climate challenges.
Department Operation Project - SQL & Power BI
Demonstrated a dataset and gave insights, optimized results of each department is at risk of being over budget or under-performing. This project involved analyzing and visualizing department goals, project costs, and budgets within the company using Power BI and SQL, with a focus on data modeling and storytelling.
Key insights include budget distributions across departments, highlighting Sales with the highest allocation ($150K), and identifying a $25K capital deficit in Human Resources.
Healthcare Financial Analysis Project - SQL
Utilized SQL project involves tracking and analyzing key metrics such as the number of patient stays, average procedure counts, total procedure costs by type, lab test utilization by race, and average hospital stay durations to enhance financial management and healthcare delivery strategies within the organization.
Massachusetts Education Overview Project - Tableau Utilized Tableau to analyze high schools in Massachusetts to identify the impacts on graduation rates and college attendance with 4th grade assessment analysis.
The project aims to improve educational outcomes by regularly analyzing class attendance, student-teacher ratios, and providing teacher assistance while identifying practices from high-performing districts that can be applied across others.
Additionally, it focuses on boosting graduation rates in low-performing schools through new programs, teacher evaluations, and fostering a positive learning environment.
TECHNICAL SKILLS
Programming Language:
- Python, SQL
Database/Server:
- PostgeSQL, Microsoft SQL, MySQL
Other Software/Tools:
- Tableau, Power BI, Microsoft Office (Word, PowerPoint, Excel), SharePoint, Alteryx, Smartsheet, AS-400
EDUCATION
Bachelor of Science BS - MIS
University of Texas at Arlington
08/2018 - 12/2022, Arlington, TX
EXPERIENCE
Data Analyst
Oldcastle BuildingEnvelope
11/2024 - Present, Grand Prairie, TX
Generated and analyzed daily reports in collaboration with the OpEx Manager to support operational excellence initiatives. Collected and tracked daily WPO audits from all boards, maintaining accurate records in the WPO Audit Tracker. Partnered with managers to provide insights and support data- driven business decisions.
Assisted in executing action items from 5S workshops and contributed to the development of 5S documentation. Prepared and updated monthly KPI documentation for all boards, ensuring data accuracy and consistency.
Data Analyst
Primoris Services Corporation
10/2023 - 08/2024, Lewisville, TX
Utilize technology to increase automation and data quality. Oversee and develop analytic capabilities (e.g., models and processes) that drive better outcomes.
Create visualizations which tell the story of tax. Review and report on project metrics to benchmark effectiveness. Work on and across multiple projects and platforms to ensure consistency in naming conventions and promote the sharing and reuse of data across applications and business areas. Assist with implementations of tax data hub applications, tax software, and machine learning initiatives.
Enhanced data quality and efficiency by implementing automation processes, increasing reporting accuracy by 95%. Page 2 of 2
CERTIFICATES
Tableau 2022 A-Z: Hands-On Tableau Training for Data Science (10/2022 - Present)
Alteryx Designer Core Certified (08/2024 - 08/2026) Skilled with the most used tools that are fundamental to data preparation and analysis and can apply knowledge to solve real-world problems.