Part-time Jobs in Castro Valley, California, United States

565 jobs available

Discover Part-time Jobs opportunities in Castro Valley, California, United States. Find your perfect role from leading companies across the region.

Showing 20 of 565 jobs

After School Gymnastics Educator - Oakland, CA

HOKALI

Castro Valley, California, United States Part-time On-site $50 - $50 / hour

HOKALI seeks a Gymnastics Educator to lead after-school gymnastics programs for elementary students across multiple Bay Area locations. The role involves teaching age-appropriate movement skills, ensuring student safety, and fostering confidence through engaging instruction.

Last seen Aug 26, 2026
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Multi Specialty Tech, CT

Sutter Health

Castro Valley Part-time On-site

Sutter Eden Medical Center (SEMC) seeks a Multi Specialty Radiologic Technologist to perform general diagnostic examinations and support at least one additional specialty area, including serving as Student-Site Coordinator and contributing to Quality/Education. Day-to-day duties include preparing neonatal, pediatric, adolescent, adult, and geriatric patients for scans and treatments, operating imaging equipment, assisting the Lead and Department with equipment maintenance and QA/QC programs for

Last seen Aug 26, 2026
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Chess Instructor | Fall

Chess Wizards

Castro Valley, CA, US Part-time $55 - $75 / hour

Chess Wizards is seeking enthusiastic, reliable instructors for its after-school enrichment program in Castro Valley, CA. Instructors lead fun, interactive chess classes for 10–15 elementary students, using a structured curriculum to teach chess fundamentals, promote sportsmanship, and encourage problem-solving. The role involves traveling to various local school sites on weekday afternoons, managing classroom behavior, and following school safety protocols.

Last seen Aug 26, 2026
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Staff Nurse II, Neuro ICU

Sutter Health

Castro Valley,CA,USA Part-time

SEMC - Sutter Eden Medical Center team provides acute neuro ICU nursing care, delivering holistic, individualized patient support and coordinating multidisciplinary treatment plans. The Staff Nurse II assesses, educates, and manages patient transitions while collaborating with families and physicians.

Last seen Aug 14, 2026
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Part Time (30 hours) Associate Banker, Castro Valley Branch, Castro Valley, CA

J.P. Morgan

Castro Valley,CA,United States Part-time On-site

Chase Branch Banking team in Castro Valley focuses on delivering personalized financial solutions and exceptional client experiences. As an Associate Banker you will greet clients, manage lobby traffic, provide account services, open new accounts, and educate clients on digital banking tools while collaborating with branch partners to meet financial goals.

Last seen Aug 26, 2026
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Retail Sales and Store Support

Albertsons

Castro Valley, CA, United States Part-time

Albertsons Companies is seeking a Retail Sales and Store Support associate in Castro Valley, CA to help keep stores clean, organized, and shoppable. Day-to-day duties include replenishing shelves, arranging flowers, preparing produce, receiving freight, and interacting with customers.

Last seen Aug 22, 2026
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Program Instructor - Challenge Course

HAYWARD AREA RECREATION & PARK DISTRICT

Castro Valley,CA,USA Part-time On-site $22 - $29 / hour

Recreation Team at Hayward Area Recreation District delivers engaging outdoor programs for the community. The Program Instructor develops curriculum, leads challenge course activities, ensures participant safety, and maintains equipment and records.

Last seen Aug 26, 2026
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Licensed Clinical Social Worker Per Diem

Sutter Health

Castro Valley Part-time On-site

Sutter Eden Medical Center (SEMC) seeks a Licensed Clinical Social Worker (Per Diem) to provide biopsychosocial assessment, crisis intervention, short-term counseling, and care transition planning for patients and families across patient care settings. The role includes psycho-education, support group facilitation, interdisciplinary consultation, community liaison work, discharge planning collaboration, and goals-of-care conversations, with occasional staff education and committee participation.

Last seen Aug 26, 2026
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Youth Advocate (Lena’s House) PT Sat-Sun Overnight 11pm-7am

Restorative Pathways

Castro Valley,California,United States Part-time $30 - $30 / hour

Lena's House at Restorative Pathways provides trauma-sensitive shelter and support for young women survivors of trafficking and domestic violence. The Youth Advocate works overnight Saturday‑Sunday shifts providing safety monitoring, emotional support, basic maintenance, and administrative assistance to residents and case management staff.

Last seen Aug 26, 2026
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Occupational Therapist II, Rehabilitation, Per Diem

Sutter Health

Castro Valley Part-time On-site

Sutter Eden Medical Center (SEMC) seeks an Occupational Therapist II, Rehabilitation, Per Diem to assess, plan, and deliver rehabilitative programs that restore vocational, homemaking, and daily living skills for patients with disabilities or developmental delays. Day-to-day duties include patient assessment, monitoring, clinical supervision of assistants and aides, serving as a clinical instructor for students, and ensuring regulatory compliance for privacy and safety.

Last seen Aug 26, 2026
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Lead Teacher Trainer I Fall

Chess Wizards

Castro Valley, CA, US Part-time $65 - $85 / hour

Chess Wizards' Lead Teacher Trainer I Fall in Castro Valley, CA, aligns instructor performance with customer expectations and serves as a stepping stone toward management. Day-to-day, you lead fun, interactive chess classes for 10–15 elementary students, assist the Area Manager with coaching and quality control, and support training, evaluation, and troubleshooting of fellow instructors.

Last seen Aug 26, 2026
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In-Store Shopper

Albertsons

Castro Valley, CA, United States Part-time

Albertsons is hiring an In-Store Shopper for its Castro Valley, CA store to select high-quality items for online orders and assist in-store customers. Day-to-day work involves carefully picking products, identifying suitable substitutes when needed, and supporting other departments during slower online order periods.

Last seen Aug 26, 2026
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Staff Nurse II, Neuro ICU

Sutter Health

Castro Valley,CA,USA Part-time On-site

Neuro ICU Nursing at Sutter Health delivers holistic, patient‑centered care in an acute setting, coordinating assessments, education, and transitions for critically ill patients. The Staff Nurse II provides direct bedside care during night shifts, manages a 36‑hour weekly schedule with variable days and every other weekend, and collaborates with physicians and families to ensure optimal outcomes.

Last seen Aug 26, 2026
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Staff Nurse II, Emergency Services

Sutter Health

Castro Valley Part-time On-site

Sutter Eden Medical Center (SEMC) seeks a Staff Nurse II, Emergency Services to deliver holistic, individualized nursing care in an acute patient setting. The role involves assessing, coordinating, and evaluating direct patient care, patient/family education, and transitions of care while collaborating with physicians and other providers.

Last seen Aug 26, 2026
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Merchandiser- Greeting Cards PT

Field Force Merchandising

Castro Valley,CA,USA Part-time On-site $19 - $19 / hour

Retail Merchandising Team responsible for maintaining greeting card displays across multiple retail locations. The merchandiser follows detailed planograms, restocks low inventory, and captures photo reports via a mobile app.

Last seen Aug 26, 2026
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Security Officer II

Sutter Health

Castro Valley,CA,USA Part-time On-site

Security team at Sutter Health ensures a safe environment for patients, staff and visitors. The officer patrols facilities, monitors access control, responds to emergencies and documents incidents.

Last seen Aug 26, 2026
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Staff Nurse II, Emergency Services

Sutter Health

Castro Valley,CA,USA Part-time On-site

SEMC - Sutter Eden Medical Center team provides emergency nursing care to acute patients in Castro Valley, CA. The Staff Nurse II assesses, coordinates, and delivers holistic patient care, educates families, and collaborates with physicians and staff. Part-time, on-site schedule with rotating weekends and variable days.

Last seen Aug 13, 2026
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Client Operations Lead

Barry's Bootcamp

Castro, CA, USA Part-time On-site $21 - $21 / hour

Barry’s Bootcamp seeks a Client Operations Lead to oversee studio operations, ensuring top‑tier client experiences and operational excellence. The role blends hospitality, leadership, and hands‑on studio management, requiring a proactive, detail‑oriented individual who thrives in a fast‑paced environment.

Last seen Aug 26, 2026
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Registered Nurse II, Medical Surgical/Telemetry Float

Sutter Health

Castro Valley Part-time On-site

Sutter Eden Medical Center seeks a Registered Nurse II to provide holistic, individualized patient care in an acute setting. The role involves assessing needs, coordinating care plans, and educating patients and families while collaborating with healthcare teams.

Last seen Aug 17, 2026
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Staff Nurse II, Nursery

Sutter Health

Castro Valley,CA,USA Part-time On-site

Sutter Eden Medical Center (SEMC) provides professional nursing care for infants in the nursery and mothers in the postpartum unit. The Staff Nurse II delivers bedside care, coordinates with multidisciplinary teams, and handles emergency situations in a high‑risk environment.

Last seen Aug 26, 2026
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Part-time Jobs in Castro Valley: FAQ

How many Part-time Jobs in Castro Valley are open right now?

565 Part-time Jobs in Castro Valley are live on NextGig, all seen active within the last 45 days. The list refreshes daily as new roles are posted and filled ones drop off.

Which companies are hiring for Part-time Jobs in Castro Valley?

Employers with current openings include HOKALI, Sutter Health, Chess Wizards, J.P. Morgan, Albertsons, HAYWARD AREA RECREATION & PARK DISTRICT, and others. Every listing links straight to the employer's application page.

What do Part-time Jobs in Castro Valley pay?

7 of the 20 newest listings disclose pay, for example $50 - $50 / hour at HOKALI, $55 - $75 / hour at Chess Wizards, $22 - $29 / hour at HAYWARD AREA RECREATION & PARK DISTRICT. Open a listing for the full compensation details.