Summary
Overview
Work History
Education
Skills
Accomplishments
Languages
Timeline
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Wendy Castillo

Summary

Customer-focused professional with progressive experience at T-Mobile spanning customer service and advanced technical support. Demonstrated success in building client relationships, identifying customer needs, resolving complex challenges, and delivering tailored solutions that drive customer loyalty and business results. Recognized for strong communication, problem-solving, and relationship management skills. Bilingual in English and Spanish and eager to leverage technical expertise and customer engagement experience in a sales-focused role.

Overview

2
2
years of professional experience

Work History

Tech Expert

T-Mobile
06.2025 - Current

Delivered advanced technical support for wireless, device, network, and home internet customers. Analyzed and resolved complex technical issues through troubleshooting and diagnostics while maintaining high customer satisfaction. Educated customers on products, services, and technology solutions, collaborated with cross-functional teams to resolve escalated concerns, and consistently met quality, productivity, and customer experience objectives.

Care Associate

T-Mobile
02.2024 - 06.2025

Provided exceptional customer service by assisting customers with billing, account management, service changes, and account inquiries. Built strong customer relationships through active listening and problem resolution, educated customers on products and services, identified customer needs, and delivered personalized solutions while consistently meeting performance, quality, and customer satisfaction goals.

Education

Bachelor of Science - Information Technology

Jefferson State Community College
Birmingham, AL

Skills

  • Customer Service
  • Technical Support
  • Troubleshooting
  • Account Management
  • Customer Retention
  • Consultative Selling
  • Relationship Building
  • CRM Systems
  • Problem Solving
  • Bilingual (English & Spanish)

Accomplishments

Earned recognition as a top-performing Technical Expert through exceptional customer experience, strong customer retention results, and consistent achievement of performance goals.

Languages

English
Native or Bilingual
Spanish
Native or Bilingual

Timeline

Tech Expert

T-Mobile
06.2025 - Current

Care Associate

T-Mobile
02.2024 - 06.2025

Bachelor of Science - Information Technology

Jefferson State Community College