Summary
Overview
Work History
Education
Skills
Websites
Languages
Timeline
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XIOMARA CASTIGLIA

Bronx,NY

Summary

Multidisciplinary professional with a background in customer service, freelance user research, photography, and pet care. Highly skilled in problem-solving, communication, and managing multiple projects independently. Known for adaptability, empathy, and creative insight — especially in people-focused and user-centered roles. Bilingual in English and Spanish.

Professional tester prepared for this role. Extensive experience in software testing, identifying critical issues, and ensuring optimal functionality. Known for strong team collaboration, adaptability, and results-oriented mindset. Skilled in manual and automated testing, with keen eye for detail and problem-solving abilities.

Overview

9
9
years of professional experience

Work History

Freelance UX Tester & Research Participant

Freelance
01.2020 - Current
  • Conducted 200+ remote usability tests and interviews, enhancing user experience by delivering actionable insights.
  • Spearheaded the development of 5+ app prototypes and websites, boosting user satisfaction by 20%.
  • Consistently invited to higher-tier and longitudinal studies for quality contributions.
  • Collaborated with development teams to identify and resolve defects in applications.
  • Enhanced user experience by conducting usability testing and providing recommendations for improvements.

Dog Walker & Pet Sitter

Private Clients
09.2024 - Current
  • Provided compassionate care for pets including walking, feeding, and overnight stays.
  • Maintained strong communication with pet owners and ensured pet well-being.
  • Developed strong relationships with clients through effective communication and personalized service.
  • Monitored dogs' behavior and health during walks, identifying any issues early on.
  • Trained new walkers in best practices for handling different dog temperaments and needs.

Photographer

Freelance
01.2020 - Current
  • Specialize in candid street photography, portraits, and thematic photo essays.
  • Created personal zine project 'Enfoque: A Zine by Xio' blending visuals and photography concepts.
  • Contributor to Getty Images; sell prints and publish physical visuals.
  • Digitally edited photos to enhance appearance.
  • Took photos from different angles and perspectives to capture perfect images.

Babysitter

Freelance
08.2020 - 10.2023
  • Cared for a newborn, encouraging developmental milestones and bilingual learning.
  • Prepared nutritional meals and supported early education through interactive play.
  • Supervised children's daily activities, ensuring safety and engagement in age-appropriate tasks.
  • Implemented educational games promoting cognitive development and social skills enhancement.
  • Communicated positively with children and guardians.
  • Prepared healthy, age-appropriate snacks and meals.

Front Desk Concierge

Stay in Costa Rica
01.2019 - 12.2019
  • Welcomed guests, managed reservations, and coordinated concierge services.
  • Streamlined communication between departments to address guest feedback.
  • Coordinated reservations and accommodations, optimizing guest satisfaction through personalized service.
  • Managed guest check-in and check-out procedures efficiently, ensuring seamless arrival and departure experiences.
  • Oversaw coordination of special requests and events, ensuring attention to detail for memorable guest experiences.
  • Handled guest complaints promptly, ensuring swift resolution and fostering positive relationships with customers.

Supervisor / Customer Service Rep

Amazon.com / AWS
03.2018 - 12.2019
  • Handled chat escalations, coached reps, and participated in leadership meetings.
  • Processed refunds and led initiatives to improve customer satisfaction.
  • Mentored team members, fostering skill development and promoting a collaborative environment.
  • Worked effectively in fast-paced environments.
  • Efficiently handled and resolved 30+ calls per day

Customer Service Rep

Sykes Enterprises (AT&T & Capital One)
02.2016 - 12.2017
  • Managed billing inquiries, technical support, and credit transactions.
  • Maintained high performance in sales and satisfaction metrics.
  • Resolved customer inquiries through effective communication and problem-solving techniques.
  • Facilitated account management processes for AT&T and Capital One clients, enhancing customer satisfaction.
  • Utilized CRM software to track sales activities and manage customer interactions.

Education

Google IT Support Certificate -

Coursera
New York
07.2025

Introduction to IT -

INCECOM
Costa Rica
01.2017

Some College (No Degree) -

Universidad De Las Americas
Costa Rica

High School Diploma -

Liceo Joaquin Gutierrez Mangel
San Jose, Costa Rica
01.2013

Skills

  • Client support
  • Communication
  • Photography
  • Time Management
  • Leadership
  • Organization
  • Computer Literacy
  • UX Design
  • InDesign
  • Adobe Lightroom
  • Product and Usability testing

Languages

English
Native or Bilingual
Spanish
Native or Bilingual

Timeline

Dog Walker & Pet Sitter

Private Clients
09.2024 - Current

Babysitter

Freelance
08.2020 - 10.2023

Freelance UX Tester & Research Participant

Freelance
01.2020 - Current

Photographer

Freelance
01.2020 - Current

Front Desk Concierge

Stay in Costa Rica
01.2019 - 12.2019

Supervisor / Customer Service Rep

Amazon.com / AWS
03.2018 - 12.2019

Customer Service Rep

Sykes Enterprises (AT&T & Capital One)
02.2016 - 12.2017

Google IT Support Certificate -

Coursera

Introduction to IT -

INCECOM

Some College (No Degree) -

Universidad De Las Americas

High School Diploma -

Liceo Joaquin Gutierrez Mangel

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