HiringCafe
Join our community

304 data assistant jobs at 192 companies in Fontana, CA

1mo
Save
Mark Applied
Hide
Data Engineer
New York or Los Angeles or San Francisco
$140k-$175k/yr HybridFull Time
Regard
Regard: A that builds AI-powered software to improve clinical documentation and advance patient care.
3+ YOEBS or equivalent, 3+ years data engineering experience, Python and SQL proficiency, experience with PySpark and distributed data processing, AWS experience preferred, LLM-assisted development familiarity, and willingness to participate in on-call support.
S3, Apache Iceberg, EMR, PySpark, Dagster, Kubernetes, ClickHouse, PostgreSQL, FastAPI, Metabase, Python, SQL, AWS, AWS Athena, EHR, OMOP CDM, HIPAA, LLM
Job PostingView all
1mo
Save
Mark Applied
Hide
Sr. Data Engineer
New York or Maryland or Chicago or Detroit or Los Angeles or United States
$94k-$153k/yr HybridFull Time
Dentsu
DentsuTokyo Stock Exchange: 4324: Providing global advertising, digital marketing, and media communications services.
4+ YOE4+ years in data/software engineering; strong Python and SQL; deep Snowflake experience (Streams and Tasks, Snowpark preferred); experience with identity matching, PII handling, Git, CI/CD, and AI/LLM-assisted data workflows.
Snowflake, Streams and Tasks, Snowpark, Python, SQL, Git, CI/CD, AWS, Azure, GCP, Unix, Bash, MCP, LLM
Job PostingView all
1d
Save
Mark Applied
Hide
Staff Data Engineer
Los Angeles or Santa Ana or New Jersey or Texas or Florida or Shanghai or Hong Kong or Japan or Canada or Mexico or Germany or France or United States
$165k-$250k/yr RemoteFull Time
Collectors
Collectors: Providing authentication and grading services for high-value collectibles.
8+ YOE8+ years building data platforms with BigQuery/dbt and modern ingestion tools, expert SQL and Python, cloud experience (GCP/AWS), AI-assisted development (Claude Code), and strong reliability and governance practice.
Hevo, Estuary, Google BigQuery, dbt, Claude Code, Python, SQL, GCP, AWS, CI/CD
Job PostingView all
1w
Save
Mark Applied
Hide
Assistant Director, Data & Reporting Services
Long Beach, California, United States
$7k-$8k/mo OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
4+ YOEBachelor's-equivalent and 4 years related experience; strong querying, reporting, data governance skills; proficiency with Power BI, FetchXML, Python, SQL; CRM and Dynamics 365 experience preferred.
Power BI, FetchXML, Python, SQL, Microsoft Dynamics 365, Microsoft Power Platform, Office 365
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Data & Systems Analyst, EHS
Boston or Costa Mesa
$86k-$114k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOE3+ years in a data-focused role; proficiency with Python, SQL (or R/JavaScript); experience building dashboards (Foundry, Tableau, Power BI, Looker); AI-assisted coding tools; strong data wrangling and communication skills; must be a U.S. Person.
Python, R, SQL, JavaScript, Foundry, Tableau, Power BI, Looker, Claude Code, GitHub, GitHub Copilot, VelocityEHS, Intelex, Gensuite
Job PostingView all
3mo
Save
Mark Applied
Hide
ASST. RESEARCH DATA COORDINATOR - HYBRID
Orange, California, United States
$27-$34/hr HybridFull Time
University of California, Irvine
University of California, Irvine: Public research university offering higher education and academic degrees.
1+ YOEDemonstrated problem solving, initiative, data management, and strong communication; able to work independently and in a team; MS Office skills; clinical research coordination experience; OnCore preferred.
OnCore, Microsoft Office, EDC
Job PostingView all
1mo
Save
Mark Applied
Hide
Senior Data Scientist (Onsite)
Irvine, California, United States
$138k-$200k/yr OnsiteFull Time
West Coast University
West Coast University: Private university offering degree programs for healthcare professionals.
3+ YOEBachelor's in a quantitative field required (Master's preferred); 3+ years model development experience required (5+ preferred); skills in Python/R, ML methods, SQL, LLMs, cloud, visualization, and AI-assisted tools.
Python, R, SPSS Modeler, SAS, Oracle CVUE, CRM, IR&A Data Warehouse, College Board, IPEDS, National Student Clearing House, Common Dataset, Claude Code, LLM, Microsoft Azure, AWS, Google Cloud, Microsoft Power BI, Tableau, Microsoft SQL Server, Microsoft Excel
Job PostingView all
2w
Save
Mark Applied
Hide
Data Entry Clerk / HR Assistant
Glendale, California, United States
$23/hr OnsiteFull Time
All Care and Comcare Home Health
All Care and Comcare Home Health: Providing professional and compassionate in-home health care services.
High school diploma, typing 45–50 wpm, strong MS Office/Excel skills, knowledge of privacy/HIPAA practices, good organization and communication; able to maintain employee records and perform data entry; valid state ID/driver's license required.
Microsoft Office, Microsoft Excel
Job PostingView all
1w
Save
Mark Applied
Hide
Fundraising and Data Management Assistant - Temporary
Los Angeles, California, United States
$60-$70/hr HybridFull Time, Temporary
JVS SoCal
JVS SoCal: Provides workforce development and career services to Southern California.
3+ YOEAA/BA preferred, 3-5 years nonprofit fundraising experience with Raiser’s Edge and Moves Management, strong MS Office 365 and database skills, event support, donor research, excellent communication and organization.
Raiser’s Edge, Blackbaud NXT, Microsoft Office 365, Microsoft PowerPoint, Research Point, OneCause, Mailchimp, Zoom, Microsoft Teams, Donor Search, Google, Microsoft CoPilot (M365), Claude, Claude API, MCP, PlayLab
Job PostingView all
2mo
Save
Mark Applied
Hide
Estimating Assistant
South El Monte, California, United States
$20-$23/hr OnsiteFull Time
Karman Space & Defense
Karman Space & DefenseNYSE: KRMN: Designing and manufacturing mission-critical systems for space and defense.
Assist estimators by gathering docs, entering data, and supporting bid packages; must have Excel and strong communication.
Excel, Word, Outlook
Job PostingView all
2w
Save
Mark Applied
Hide
Data Center Assistant Facility Manager
Los Angeles, California, United States
$78k-$81k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
Manage site and vendors, ensure compliance and safety, support budgeting and cost control, supervise and develop site staff; must be authorized to work in the U.S.
Job PostingView all
3w
Save
Mark Applied
Hide
Office Assistant
Upland, California, United States
$17-$19/hr OnsiteFull Time
Vista Business Service
Vista Business Service: Provides accounting, bookkeeping, and tax services to businesses.
Provide administrative support including answering phones, greeting clients, data entry, filing, managing supplies, scheduling assistance, and basic bookkeeping.
Job PostingView all
2d
Save
Mark Applied
Hide
Research Assistant
Los Angeles, California, United States
$30-$36/hr OnsiteFull Time
UCLA Health
UCLA Health: Provides comprehensive hospital services and academic medical research.
Bachelor's in psychology/neuroscience preferred; experience coordinating research, data entry, IRB assistance; proficiency with Microsoft Office; SPSS preferred; strong organizational and communication skills.
SPSS, Microsoft Office
Job PostingView all
2mo
Save
Mark Applied
Hide
Payroll Assistant (CA, Montrose)
Montrose, California, United States
$21-$25/hr OnsiteFull Time
Alliance Health Services
Alliance Health Services: Provides personalized home health and hospice care services at home.
1+ YOEAssist payroll operations by collecting data, processing payments, maintaining records, and ensuring regulatory compliance.
Microsoft Office, Payroll systems, Database software
Job PostingView all
1d
Save
Mark Applied
Hide
Program Assistant
Whittier, California, United States
$25/hr OnsiteFull Time
Helpline Youth Counseling
Helpline Youth Counseling: Providing behavioral health and social services to at-risk communities.
Organize and maintain paper/electronic records, perform data entry, answer phone calls, assist staff, pass background check, hold valid CA driver license and auto insurance, and use Microsoft/Exym systems.
Exym, Microsoft Excel, Microsoft Outlook
Job PostingView all
2mo
Save
Mark Applied
Hide
Finance - Fiscal Assistant
Los Angeles, California, United States
$18-$22/hr OnsiteFull Time
Crystal Stairs
Crystal Stairs: Provides child care subsidies and early childhood education programs.
1+ YOEFiscal Assistant with clerical accounting duties; general ledger, reconciliations, funder reports; spreadsheet work; 1+ year data entry; Excel/Word; confidentiality.
Excel, Word, Accounting software
Job PostingView all
1mo
Save
Mark Applied
Hide
Graduate Student Assistant - Substance and Addiction Prevention - Hybrid (San Bernardino, CA)
San Bernardino, California, United States
$21-$24/hr HybridPart Time, Temporary
University Enterprises, Inc.
University Enterprises, Inc.: Provides administrative and support services for California State University, Sacramento.
Must be an enrolled graduate student; comfortable handling sensitive death-related data; experienced with Microsoft Excel and Word; access to computer and reliable internet; able to perform in-person work at the San Bernardino coroner's office.
Microsoft Excel, Microsoft Word, State Unintentional Drug Overdose Reporting System (SUDORS)
Job PostingView all
3mo
Save
Mark Applied
Hide
Back Office - Optometry Assistant
Hesperia, California, United States
$25-$30/hr OnsiteFull Time
Unicare Community Health Center
Unicare Community Health Center: Operates community health clinics providing comprehensive outpatient medical services.
1+ YOESupports optometry operations; records patient data; assists with pre-testing, imaging, scheduling, and triage; bilingual English/Spanish preferred.
Electronic Health Records, eCW, Microsoft Word, Microsoft Excel, Microsoft Outlook
Job PostingView all
3mo
Save
Mark Applied
Hide
Administrative Assistant (STOP) 5
Los Angeles, California, United States
$23-$25/hr OnsiteFull Time
Amity Foundation
Amity Foundation: Operates therapeutic re-entry programs for formerly incarcerated individuals.
Prior experience as an administrative assistant or in data entry; high school diploma or equivalent; bilingual Spanish/English desirable; strong organizational and communication skills.
Job PostingView all
3w
Save
Mark Applied
Hide
PROGRAM ASSISTANT (GRANT-FUNDED)
Costa Mesa, California, United States
OnsiteFull Time
Coastline ROP
Coastline ROP: Provides career technical education and vocational training programs.
Support student services and career specialists, coordinate program communications, compile data for district and grant reporting, and assist underserved populations; grant-funded role.
Job PostingView all

Explore Jobs

Expand Your Job Search