Joanna Hernandez
San Diego
Summary
A dedicated and detail-oriented professional pursuing a full time-role with over four years of experience in healthcare, customer service, training, and technical support roles. Proficient in managing medical records, patient care in a vision care setting, and providing high-quality customer service in retail and food service environments. Skilled in training new employees, resolving customer issues, and maintaining operational compliance. Recently graduated with a Associate’s Degree in Business Administration completed in May 2025.
Overview
5
5
years of professional experience
Work History
Back Office Technician
Vision care and correction of San Diego
10.2023 - Current
- Managed patient medical records, preparing and maintaining patient files in accordance with HIPAA regulations.
- Insurance Verification Knowledge (Medicare, HMO, PPO)
- Conducted Preliminary patient exams for Visual Acuity, and administered diagnostic testing for patients including, OCT, Visual Field, Topography, ARGOS, Fundus Retinal Photos, Tonometry
- Worked directly with patients, collecting medical histories
- Explained how to properly use eye drops or other medications and administered medications
- Provided prompt, polite and professional in-person and telephone customer service.
Front of House Trainer
Chick-fil-A
04.2022 - 10.2023
- Trained new hires on company procedures, product knowledge, and customer service excellence.
- Managed customer orders, ensuring accuracy in bagging and distribution.
- Addressed and resolved customer complaints, particularly those involving the mobile app.
- Build strong customer relationships through active engagement.
- Conducted daily food safety checks to maintain compliance standards.
Mobile Expert
Metro By T-Mobile
05.2021 - 10.2021
- Managed customer accounts using computer systems, including adding new accounts and checking balances.
- Sold mobile phones and accessories, provided technical support to customers.
- Responsible for store opening and closing procedures.
- Maintained inventory by restocking items and performing inventory checks.
- Ensured a welcoming environment by greeting customers and keeping the store clean.
Sales Associate
Five Below
10.2020 - 03.2021
- Created a friendly atmosphere for customers, enhancing their shopping experience.
- Collaborated with team members to oversee self-checkout operations.
- Provided information on products, pricing, and availability to customers.
- Contributed to store upkeep by maintaining a clean and organized sales floor.
- Managed returns, exchanges and refunds in accordance with store policy.
Education
High School Diploma -
San Ysidro High School
San Diego, CA06.2020
Associate of Science - Business Administration
Southwestern College
Chula Vista, CA05.2025
Skills
- Customer relations/Patient Care
- Verbal and written communication
- Employee training
- Effective time management
- Computer skills
- Detailed medical record documentation/Medical terminology
- Business administration
- Conflict resolution
- Insurance Verification
- Customer-focused retail sales
- Professional and responsible attitude
LANGUAGES
Fluent Spanish and English
Awards
San Ysidro High School Diploma
Timeline
Back Office Technician
Vision care and correction of San Diego
10.2023 - Current
Front of House Trainer
Chick-fil-A
04.2022 - 10.2023
Mobile Expert
Metro By T-Mobile
05.2021 - 10.2021
Sales Associate
Five Below
10.2020 - 03.2021
High School Diploma -
San Ysidro High School
Associate of Science - Business Administration
Southwestern College
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