Cesar Lemus
@cesarlemus
Customer service specialist delivering technical support and high customer satisfaction across channels.
El SalvadorWhat I'm looking for
I am a customer service specialist with experience resolving complex technical and account issues across phone, chat, SMS and email, working both on-site and remotely. I have supported telecom, audio, payments and events platforms, managing tickets, document reviews and high-volume email workloads while maintaining strong customer satisfaction.
I excel with CRM tools like Zendesk and Salesforce, handling 40–50 daily emails, writing automated response scripts, and performing conflict resolution and post-service follow-up. I bring intermediate-advanced English, freelance flexibility, and a practical, results-driven approach to support teams.
Experience
Work history, roles, and key accomplishments
Customer Service Agent
Teleperformance El Salvador
Jan 2025 - Present (1 year)
Provide on-site support to event organizers worldwide via chat and email, resolving issues related to event creation, ticketing, and payouts to attendees.
Back Office Representative
Telus International El Salvador
Jan 2022 - Dec 2025 (3 years 11 months)
Reviewed and approved customer documents for verification and managed email interactions (~40–50/day) to resolve billing and account issues for Wise and GetFlex clients.
Customer Service Agent
Sitel El Salvador
Jan 2022 - Dec 2022 (11 months)
Provided hybrid technical support and customer service for Sony audio customers via phone, SMS, and chat, handling multiple channels to resolve product issues.
Customer Service Specialist
Teleperformance El Salvador
Jan 2019 - Dec 2021 (2 years 11 months)
Provided on-site customer support for internet, landline, and digital TV services, resolving complex inquiries to improve customer satisfaction and retention.
Freelance Customer Support
Freelancer
Provided remote freelance customer service and basic technical support across email, chat, and phone, and authored automated response scripts to improve response efficiency.
Education
Degrees, certifications, and relevant coursework
Technical School
Technician (Automotive Technician), Automotive Technology
Completed a technical program and graduated as an Automotive Technician in 2017.
High School
High School (vocational technician), Automotive Mechanics
Completed high school with vocational training as a technician in automotive mechanics, graduating in 2013.
Tech stack
Software and tools used professionally
Availability
Location
El SalvadorAuthorized to work in
Job categories
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