John Callahan
Chapel Hill,NC
Summary
Ambitious first-year student at the University of North Carolina at Chapel Hill with a diverse background in technology instruction, entrepreneurial ventures, and customer service. Worked as a Sensei (Instructor) at Code Ninjas; instructed young learners in programming languages such as JavaScript, C#, and Java, honing technical skills. Founded and operated a successful mobile detailing business, utilizing door-to-door sales and social media marketing to achieve business growth. Previous roles include serving in a high-pressure restaurant environment; developed strong multitasking abilities and customer de-escalation skills. Seeking entry-level opportunities or internships, ideally in a technical support role, while remaining open to roles that utilize skills in customer service and business operations.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Code Sensei (Instructor)
Code Ninjas
09.2023 - Current
- Instructed over 20 young children learning various programming languages including Java, Javascript, Python, and C#
- Tracked student progress, frequently checking in with struggling students and identifying root causes of problems.
- Strengthened personal code debugging skills through assisting students
- Enhanced communication skills by learning to work effectively with children of diverse abilities, communication styles, and backgrounds
Owner/Operator
Callahan Mobile Detailing
05.2023 - Current
- Managed day-to-day business operations of small self-started mobile detailing company with approximately 20 monthly customers at peak operating times.
- Provided exceptional customer service to a base of nearly 30 repeat customers.
- Utilized door to door sales and social media marketing techniques to advertise services
- Assessed income and expenses and adapted plans to improve profit levels.
Restaurant Waiter
George's Pizzeria
04.2021 - 06.2023
- Maintained clean and organized dining areas for optimal guest experience.
- Maintained professional demeanor under pressure while managing challenging situations involving dissatisfied customers.
- Developed strong rapport with regular customers, encouraging repeat visits and loyalty to the establishment.
- Enhanced customer satisfaction by providing attentive service and anticipating guest needs.
- Assisted in training new waitstaff members, contributing to a cohesive team environment.
Education
Some College (No Degree) -
University of North Carolina At Chapel Hill
Chapel Hill, NCHigh School Diploma -
Wake Forest High School
Wake Forest, NC06.2024
Skills
JavaScript
Python
Microsoft Office (Certified Specialist in Word & PP)
Strong Communication Skills
Door to Door Sales
Social Media Marketing
Schedule Management
Certification
- Certified Microsoft Word and PowerPoint Specialist
- Driver's License
Timeline
Code Sensei (Instructor)
Code Ninjas
09.2023 - Current
Owner/Operator
Callahan Mobile Detailing
05.2023 - Current
Restaurant Waiter
George's Pizzeria
04.2021 - 06.2023
Some College (No Degree) -
University of North Carolina At Chapel Hill
High School Diploma -
Wake Forest High School