Part-time Jobs in Hayward, California, United States

Boys and Girls Clubs of San Leandro seeks a Site Safety and Operations Coordinator to foster safe, structured after-school environments for youth. The role oversees daily site operations, safety protocols, incident management, and staff training at a school-based location in Hayward, CA. This is a full-time, on-site position.

Airside Operations at Signature Aviation delivers seamless, luxury ground services for private aviation guests. The Airside Experience Specialist greets guests, operates ground support equipment, and performs fueling, de‑icing, and cargo handling while ensuring safety and exceptional service.

Seasonal Program Aide needed for summer camp art programs. The role supports instructors in creating and leading art activities, mentors volunteers, and delivers customer service to parents and caregivers.

Restaurant Operations team at Sizzler ensures guests receive fast, friendly service. The Cashier greets guests, takes and processes orders, handles monetary transactions, and prepares drinks per specifications while maintaining cleanliness.

Compass Group / Chartwells Higher Ed is hiring a part-time Station Attendant for its campus food service team at California State University-East Bay in Hayward, CA. The role delivers quality food service by greeting guests, explaining menu items, fulfilling food and beverage requests, restocking stations, monitoring portion control, and keeping equipment and facilities clean. Work is a part-time schedule Monday through Thursday with hours that may vary, and applications are accepted online only

Seasonal Day Camp Counselor position at East Avenue Park, Hayward, CA, working 40 hours per week from June to August 2026. Responsibilities include creating and leading camp activities, mentoring aides and volunteers, ensuring safety, and providing excellent customer service to parents and caregivers.

For over 50 years, our goal has been to offer the best coffees & teas in the world, without compromise. Since 1966, we've journeyed in the pursuit of better – a better blend, a better cup of coffee, a better experience for our customers.

Windsor Post Acute Care Center of Hayward team provides compassionate, quality care for residents and their families. The Maintenance Assistant supports the Maintenance Department by keeping the facility clean, safe, and comfortable, assisting with operation, repair, and maintenance of boilers, compressors, generators, HVAC, electrical, and plumbing systems.

Macy’s seeks a Retail Sales Associate for its Southland Mall location in Hayward, CA. This full-time role focuses on delivering genuine hospitality and personalized recommendations to create standout shopping experiences while meeting sales targets. The position requires maintaining an organized sales floor and fostering customer loyalty through consistent engagement.

Sales Promoter role at Hayward Costco promoting leading vitamin and supplement brands inside the warehouse. Day-to-day work includes running in-store demos, engaging shoppers, converting interest into sales, and setting up and breaking down the demo station each shift.

Hayward Area Recreation & Park District Pre-K Program delivers activity-oriented early childhood experiences that nurture social, physical and intellectual growth. As a Program Instructor you will design and implement age-appropriate curriculum, supervise children, coordinate staff, and engage families through daily activities and parent conferences.

Join Gentle Dental as a part‑time Endodontist across our East Bay and North Bay offices. Earn a 45‑50% production share and receive up to $10,000 sign‑on bonus.

Hayward Area Recreation & Park District Senior Programs team delivers social, recreational, educational and nutritional activities for adults 50+. The Senior Center Programs Specialist provides front‑desk service, manages senior meal delivery, registers participants and compiles program reports across multiple senior centers.

Youth Enrichment Programs team provides tutoring and supervised after‑school activities to support student learning and well‑being. The After School Program Leader delivers one‑on‑one or small‑group tutoring, oversees arts‑and‑crafts projects, and manages behavior during recreational periods.

Case Management Team at La Familia supports residents at Banyan House to achieve self‑sufficiency and secure permanent housing. The specialist conducts intake interviews, maintains case documentation, provides resource referrals, and handles crisis situations while ensuring site security and daily operations.

Court Interpreter (Cantonese) provides essential language services for the Superior Court of California, County of Alameda. Interprets between English and Cantonese in court proceedings, using simultaneous and consecutive modes.

Deliver makeup and basic hairstyling for students in a fast‑paced studio. Ensure camera‑ready looks, adjust in real time for lighting and client preferences, maintain hygiene, and build client rapport.

Seasonal Program Aide needed for Camp Do Re Mi to support extended care for children and preteens. Responsibilities include implementing age‑appropriate activities, maintaining a safe environment, supervising participants, recording attendance, managing supplies, and providing excellent customer service.

Programming team at Boys & Girls Clubs of San Leandro creates a safe, fun after‑school environment for middle‑school youth at Hillview Crest Elementary. The Youth Development Professional leads engaging activities, adapts curriculum, and mentors students to support academic and social‑emotional growth.

Environmental Services team at HCSG provides essential floor care for long-term care facilities. The Floor Tech cleans, buffs, and refinishes floors in resident rooms and common areas, operates equipment safely, and follows infection control policies.