1,010 data assistant jobs at 554 companies in California

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Data Engineer
Santa Barbara or Atlanta or Chicago or Agoura Hills
HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
3+ YOE3–5 years in data/analytics engineering, strong SQL and Python, experience with Databricks/AWS/Snowflake/Google Cloud, familiarity with AI-assisted development and data ingestion frameworks.
Databricks, AWS, Snowflake, Google Cloud, GitHub Copilot, Claude Code, Codex, Databricks Genie, Python, PySpark, SQL, Spark, SFTP, APIs, CI/CD
2mo
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Central CA Info Center Electronic Data Processing Assistant (SA)
Stanislaus - Turlock, California, United States
$19/hr OnsitePart Time, Temporary
California State University
California State University: Public university system providing higher education and academic research.
0+ YOEStudent assistant for data entry, scanning, GIS/digitizing, and database tasks; must be enrolled as a student; CCaIC GIS ArcMap experience preferred; undergraduate or graduate status acceptable.
GIS, ArcMap, Database, Word Processing, Spreadsheet
1mo
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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
1mo
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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
1mo
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Data Steward Technician
West Sacramento or Idaho
$24-$30/hr OnsiteFull Time
Cramer Fish Sciences
Cramer Fish Sciences: Scientific research and consulting for aquatic ecosystem management.
Bachelor's degree in data science, fisheries, or related field required. Entry-level role assisting with data collection, QA/QC, database maintenance, and basic data summaries using Excel, R, or Python.
Django, Microsoft Access, SQL, Microsoft Excel, R, Python
1d
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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
1w
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Staff Enterprise Data Architect
San Francisco, California, United States
$169k-$233k/yr RemoteFull Time
Oura
Oura: Sells smart rings that track and analyze personal health data.
10+ YOE10+ years at enterprise level designing large-scale data platforms, strong experience in data modeling, governance, lineage, and AI-assisted data workflows; expert stakeholder communication.
LLM, Claude, Docusign
1mo
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Lead / Senior Data Modeler
San Francisco or Palo Alto
$179k-$286k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
10+ YOE10+ years relational (OLTP) data model design experience, related technical degree required, strong SQL/SOQL skills, experience leading design reviews, excellent communication, and familiarity with AI-assisted tooling.
SQL, SOQL, Apache Iceberg, Snowflake, Data 360, Agentforce
1mo
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Sr. Data Analytics Engineer
El Segundo or California or United States
$120k-$140k/yr RemoteFull Time
Fabletics
Fabletics: Fabletics sells activewear through a membership-based subscription model.
6+ YOE6+ years building scalable data pipelines and EDW/ELT solutions; strong SQL, dimensional modeling (Kimball), Snowflake, Airflow, and data governance experience; excellent communication and AI-assisted tooling familiarity.
Snowflake, Apache Airflow, Tableau, SQL, LLMs
1d
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Graduate Student Assistant – Data Abstractor (Remote)
Sacramento, California, United States
$20-$24/hr RemotePart Time, Temporary
University Enterprises, Inc.
University Enterprises, Inc.: Provides administrative and support services for California State University, Sacramento.
Graduate student enrollment required; comfortable with sensitive death-related data, organized, independent, experience with Microsoft Excel/Word and data abstraction or entry.
Microsoft Excel, Microsoft Word, Secure Access Management System (SAMS), NVDRS
1mo
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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
3mo
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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
4w
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Director of Data Science
New York City or San Francisco
$225k-$250k/yr RemoteFull Time
Brigit
Brigit: Provides cash advances and tools to improve financial health.
5+ YOE2+ Mgmt2+ years managing data science teams (>3), 5+ years modeling/data science experience, 2+ years at a consumer product company, deep expertise in SQL and Python, experience with dbt, Airflow, Spark, MLflow, and familiarity with AI-assisted coding tools; Master's/PhD preferred.
SQL, Python, dbt, Airflow, Spark, MLflow, Claude Code, Cursor, GitHub Copilot, OpenAI Codex
1mo
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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
3mo
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Analytics Data Scientist - Quality Engineering, Siri
San Francisco Bay Area, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
5+ YOE5+ years in product/ops analytics or data science; expert SQL; strong Python; statistics and experimental design; proven impact from analysis; strong communication; AI-assisted coding experience.
SQL, Python, pandas, NumPy, scikit-learn, PySpark, Tableau
2w
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Instructional Assistant, Data Center
United States or Arizona or California or Colorado or Florida or Georgia or Illinois or Indiana or Kansas or Maryland or Massachusetts or Michigan or Missouri or North Carolina or New Jersey or New York or Ohio or Pennsylvania or Texas or Washington
$21/hr RemoteContract
Per Scholas
Per Scholas: Provides tuition-free technology training and career placement services.
Supports remote data center training: assist instructors, tutor learners, track attendance and progress in Salesforce/Canvas; requires IT fundamentals, Linux and Windows familiarity, and relevant CompTIA certifications preferred.
Learning Management Systems (LMS), Canvas, Salesforce, Zoom, VMware, VirtualBox, Windows, Linux
1mo
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Senior Expert I, Data Science
La Jolla or San Diego
$126k-$234k/yr OnsiteFull Time
Novartis
NovartisNew York Stock Exchange: NVS: Develops and manufactures innovative prescription medicines for patients.
PhD in a relevant field with industry experience; strong cancer biology and multi-omics knowledge; proficiency in Python/R, UNIX/Linux, version control; statistical rigor, AI-assisted tooling experience, and strong communication/project skills.
Python, R, UNIX, Linux, Pandas, SQL
2w
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Data Architecture and Insights Analyst
West Hollywood, California, United States
HybridFull Time
Hourglass Cosmetics
Hourglass CosmeticsNYSE: UL: Sells vegan luxury cosmetics and cruelty-free makeup products.
6+ YOE6+ years in data analysis/BI, strong SQL, Power BI and Microsoft Excel proficiency, experience with AI-assisted tools, database and pipeline knowledge, cross-functional communication, ability to work onsite ≥60%.
SQL, Power BI, Microsoft Excel, Microsoft Copilot, ChatGPT, Claude, ERP, NetSuite, SAP
1mo
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Data Entry/Program Assistant
San Luis Obispo, California, United States
$17-$21/hr OnsiteFull Time, Temporary
Community Action Partnership of San Luis Obispo County
Community Action Partnership of San Luis Obispo County: Provides social services to help people achieve economic self-sufficiency.
5+ YOEHigh school diploma/GED; 5 years office management or clerical experience (or equivalent); proficiency in Microsoft Excel and ClientTrack; strong communication and clerical skills; bilingual Spanish a plus; CA driver's license/insurance may be required.
Microsoft Excel, ClientTrack
1mo
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Staff Data Scientist (SME: Healthcare Financial Risk & Underwriting)
San Jose, California, United States
$160k-$190k/yr OnsiteFull Time
Prealize Health
Prealize Health: Predicts healthcare costs and risks using machine learning models.
8+ YOEPhD/MS in a quantitative field, 8+ years building/deploying commercial data science products, deep healthcare underwriting and claims modeling expertise, expert Python and PySpark/Spark/SQL skills, experience with AI-assisted coding tools and model validation.
Python, PySpark, Spark, SQL, Claude Code, Cursor, Codex, PyTorch, TensorFlow