Esteban Guerrero Escalante
Mexico City
Summary
Results-driven Senior Data Specialist at Trax Retail with expertise in SQL and Power BI. Successfully enhanced data accuracy and streamlined reporting processes, fostering collaboration across teams.
Proven ability to analyze trends and implement solutions, while mentoring peers to elevate overall performance and drive continuous improvement.
Overview
7
7
years of professional experience
Work History
Senior Data Specialist
Trax Retail
07.2025 - Current
- Analyzed retail data to identify trends and support decision-making processes.
- Assisted in maintaining database integrity through regular data validation and cleaning.
- Collaborated with cross-functional teams to optimize data reporting tools and methodologies.
- Supported the implementation of new software features to enhance user experience and functionality.
Data Specialist
Trax Retail
07.2020 - 06.2025
- Enhanced data accuracy through rigorous validation processes and quality control measures.
- Developed and maintained data dashboards for real-time reporting and insights.
- Collaborated with cross-functional teams to streamline data collection processes.
Quality Assurance Specialist
Trax Retail
01.2020 - 07.2020
- Led quality assurance initiatives to enhance product reliability and consistency across all operational processes.
- Developed and implemented testing strategies for new software features.
- Trained and mentored junior QA team members, fostering a culture of continuous improvement and knowledge sharing.
Technical Support Analyst
Frontier Communications
10.2019 - 01.2020
- Resolved technical issues for customers, utilizing troubleshooting protocols and ticketing systems.
- Provided comprehensive support on telecommunications products, enhancing customer satisfaction and retention.
- Led training sessions for new team members, improving onboarding efficiency and knowledge transfer.
- Analyzed support trends to identify recurring issues, driving process improvements and reducing resolution times.
Customer Service Representative
GrubHub
07.2018 - 06.2019
- Resolved customer inquiries and complaints through effective communication and problem-solving techniques.
- Processed orders and managed delivery logistics to ensure timely service.
- Trained new staff on customer service protocols and company policies.
- Implemented feedback mechanisms to improve customer satisfaction ratings.
Education
Undergraduate - Geography
Universidad Nacional Autonoma De Mexico
Mexico City, Mexico08-2018
Skills
- Microsoft office proficiency
- Spreadsheet management
- Compiling data
- Data governance
- SQL expertise
- Power BI expertise
- Python programming
- Geospatial analysis
Languages
English
Bilingual or Proficient (C2)
Spanish
Bilingual or Proficient (C2)
Portuguese
Intermediate (B1)
Timeline
Senior Data Specialist
Trax Retail
07.2025 - Current
Data Specialist
Trax Retail
07.2020 - 06.2025
Quality Assurance Specialist
Trax Retail
01.2020 - 07.2020
Technical Support Analyst
Frontier Communications
10.2019 - 01.2020
Customer Service Representative
GrubHub
07.2018 - 06.2019
Undergraduate - Geography
Universidad Nacional Autonoma De Mexico