Diamond Costello
Summary
Hardworking and passionate job seeker with strong skills eager to secure a position. Ready to help team achieve company goals.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Quality Assurance Program Specialist
Bloom Insurance Agency
07.2023 - Current
- Listen to calls to ensure agents are displaying confidence, pay attention to details, grade calls and find errors and defects, and successfully troubleshooted issues that were malfunctioning within the software
- Provided regular updates to team leadership on quality metrics by communicating consistency problems or production deficiencies.
- Educated employees on specific QA standards and confirmed maintenance of standards.
Service Delivery Associate
Walmart
10.2020 - 04.2023
- Reviews orders prior to pick up for accuracy and purchase-by dates.
- Tracked substitutions and informed customers of changes.
- Memorized store layouts and planograms to fulfill orders using shortest, most efficient route.
- Reviewed customer orders closely to locate desired items and checked app regularly to identify changes.
- Worked productively with customers to meet order requirements and service expectations.
- Greeted clients entering store to provide welcoming environment and friendly customer service.
- Liaised with key accounts to deliver targeted administrative household support.
- Served customers with knowledgeable, friendly support at every stage of shopping and purchasing.
- Helped customers locate products and checked store system for merchandise at other sites.
- Placed completed orders in labeled, temperature-appropriate storage pending customer pick up.
Cashier
Goodwill
03.2019 - 10.2020
- Operated cash register for cash, check, and credit card transactions with excellent accuracy levels.
- Greeted customers entering store and responded promptly to customer needs.
- Restocked and organized merchandise in front lanes.
- Conducted inventory counts by adding each item in stock and documenting in computer system.
- Operated cash register to record transactions accurately and efficiently.
- Used POS system to enter orders, process payments and issue receipts.
- Maintained current knowledge of store promotions and highlighted sales to customers.
Front Office Assistant
Sharon’s Caring HomeHealth LLC
02.2018 - 03.2019
- Directed phone inquiries, answered customer questions, and scheduled appointments.
- Greeted visitors and customers upon arrival, offered assistance, and answered questions to build rapport and retention.
- Coordinated master schedule by booking and rescheduling appointments and balancing workloads.
- Processed incoming and outgoing mail, sorting and distributing to correct staff and departments.
- Completed patient check-in processes by verifying insurance and submitting forms to nursing team.
Lead Home Health Aide
Sharon’s Caring HomeHealth LLC
01.2018 - 02.2018
- Cleaned house, ran errands, managed laundry, and completed weekly grocery shopping.
- Maintained clean personal areas and prepared healthy meals to support client nutritional needs.
- Guided patients to restroom to support bladder and bowel relief requirements.
- Recognized and reported abnormalities or changes in patients' health status to case manager.
- Cooked meals and assisted patients with eating tasks to support healthy nutrition.
- Replaced bandages, dressings, and binders to care for wounds and encourage healing.
- Monitored clients' overall health and well-being and noted significant changes.
- Turned and positioned bedbound patients to prevent bedsores and maintain comfort levels.
- Assisted patients with bathing, grooming, dressing, and oral hygiene care both in private residences and facilities.
- Assisted with feeding and monitored intake to help patients achieve nutritional objectives.
- Assisted patients with self-administered medications.
- Supported clients with mental support and physical activities to accomplish quality of life and sustain needs.
- Engaged patients in meaningful conversation, socialization, and activity while providing personal care assistance.
- Assisted with dressing guidance, grooming, meal preparation, and medication reminders.
- Provided compassionate and patient-focused care to cultivate well-being.
- Provided transportation and appointments management.
Receiving Clerk
Amazon
10.2017 - 02.2018
- Compared shipping orders and invoices against contents received to verify accuracy.
- Conducted counts and audits of inventories to identify and resolve discrepancies in records.
- Unloaded pallets and deliveries and organized products in warehouse.
- Generated periodic reports to track shipment activities and prepare for delays.
- Double-checked cargo inventories and documentation for accuracy.
- Unloaded and unpacked incoming shipments to facilitate orders and verify accuracy of contents.
- Properly labeled and stored goods in safe area to provide identification and avoid losses.
- Collaborated with other departments to resolve potential incoming shipment issues.
- Operated equipment such as pallet jacks and balers to move outgoing shipments to loading area.
Education
Pharmacy
Phlebotomy Career Training
Remote05-2025
High School Diploma -
Penn Foster High School
06.2023
GED -
Hazelwood East High School
05-2016
Skills
- Microsoft
- Problem Solving
- Critical Thinking
- 10-Key Data Entry
- Active Listening
- Adaptability
- Customer Service
- Regulatory compliance
- Warehouse operations
- Detail-oriented
- Team leadership
- Quality assurance
- Decision-making
Certification
- CPhT - Certified Pharmacy Technician (2025).
- First Aid Certification – American Red Cross or other authorized providers.
- CHHA - Certified Home Health Aide
- Basic Life Support (BLS) - American Heart Association.
- Dementia Care Certification - Alzheimer's Association or other recognized bodies.
- Certified Medication Aide (CMA) - State Health Departments or Board of Nursing.
Timeline
Quality Assurance Program Specialist
Bloom Insurance Agency
07.2023 - Current
Service Delivery Associate
Walmart
10.2020 - 04.2023
Cashier
Goodwill
03.2019 - 10.2020
Front Office Assistant
Sharon’s Caring HomeHealth LLC
02.2018 - 03.2019
Lead Home Health Aide
Sharon’s Caring HomeHealth LLC
01.2018 - 02.2018
Receiving Clerk
Amazon
10.2017 - 02.2018
- CPhT - Certified Pharmacy Technician (2025).
- First Aid Certification – American Red Cross or other authorized providers.
- CHHA - Certified Home Health Aide
- Basic Life Support (BLS) - American Heart Association.
- Dementia Care Certification - Alzheimer's Association or other recognized bodies.
- Certified Medication Aide (CMA) - State Health Departments or Board of Nursing.
Pharmacy
Phlebotomy Career Training
High School Diploma -
Penn Foster High School
GED -
Hazelwood East High School
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