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Masters Data Science Jobs in California (NOW HIRING)

Senior Data Scientist

San Diego, CA ยท On-site

$160K - $200K/yr

Citizenship with an active or interim Secret clearanceBachelor's degree in Data Science, Computer Science, Statistics, Mathematics, or related field (Masters preferred)10+ years of professional ...

While there is deep data science behind these solutions, they are packaged in easy-to-use formats ... Strong quantitative and analytical skills with an advanced degree in a STEM discipline (Masters ...

While there is deep data science behind these solutions, they are packaged in easy-to-use formats ... Strong quantitative and analytical skills with an advanced degree in a STEM discipline (Masters ...

Senior Data Scientist

San Diego, CA ยท On-site

$160K - $200K/yr

Bachelor's degree in Data Science, Computer Science, Statistics, Mathematics, or related field (Masters preferred) * 10+ years of professional experience in data science and leadership or senior ...

Bachelor's degree in Data Science, Computer Science, Statistics, Mathematics, or related field (Masters preferred) * 10+ years of professional experience in data science and leadership or senior ...

(USA) Principal, Data Scientist

Milpitas, CA ยท On-site

$143K - $286K/yr

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

(USA) Principal, Data Scientist

San Jose, CA ยท On-site

$143K - $286K/yr

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

(USA) Principal, Data Scientist

Cupertino, CA ยท On-site

$143K - $286K/yr

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

(USA) Principal, Data Scientist

Hayward, CA ยท On-site

$143K - $286K/yr

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

(USA) Principal, Data Scientist

Fremont, CA ยท On-site

$143K - $286K/yr

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

(USA) Principal, Data Scientist

Sunnyvale, CA ยท On-site

$143K - $286K/yr

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

(USA) Principal, Data Scientist

San Mateo, CA ยท On-site

$143K - $286K/yr

Option 2: Masters degree in Statistics, Economics, Analytics, Mathematics, Computer Science ... Data science, machine learning, optimization models, PhD in Machine Learning, Computer Science ...

Showing results 21-40

Masters Data Science information

What is the difference between Masters Data Science vs Data Analyst?

CriteriaMasters Data ScienceData Analyst
Required CredentialsMaster's degree in Data Science, Computer Science, or related fieldBachelor's degree in Statistics, Mathematics, or related field
Work EnvironmentResearch-focused, developing models, algorithms, and advanced analyticsData cleaning, reporting, and visualization for business insights
Employer & Industry UsageTech companies, research institutions, large enterprisesBusiness, finance, marketing, healthcare sectors
Common Search & Comparison IntentUnderstanding advanced data roles, qualifications, and skillsEntry-level data roles, daily tasks, and career path

Masters Data Science professionals typically have advanced degrees and focus on developing complex models and algorithms, often in research or technical environments. Data Analysts usually hold bachelor's degrees and concentrate on interpreting data, creating reports, and supporting business decisions. Both roles are essential in data-driven industries but differ in scope, skills, and responsibilities.

Is a master's in data science worth it?

A master's in data science can enhance job prospects for data scientists by providing advanced skills in programming, statistics, and machine learning, which are highly valued in the field. It often leads to higher salaries and more senior roles, but practical experience and certifications like Python or R are also important for success.

What can I do with a master's in data science?

A master's in data science prepares individuals for roles such as data scientist, data analyst, machine learning engineer, or data engineer. These roles involve analyzing large datasets, developing predictive models, and using tools like Python, R, and SQL to support decision-making across various industries.

Where can I work with a master's in data science?

A master's in data science qualifies individuals for roles such as data scientist, data analyst, machine learning engineer, and data engineer across various industries including technology, finance, healthcare, and consulting. These positions often require skills in programming, statistical analysis, and data visualization, and are available in both corporate and research environments.

What cities in California are hiring for Masters Data Science jobs?

Cities in California with the most Masters Data Science job openings:

Infographic showing various Masters Data Science job openings in California as of September 2026, with employment types broken down into 100% Full Time. Highlights an 75% In-person, and 25% Remote job distribution.

AI Data Scientist Expert - Remote

Los Angeles, CA โ€ข Remote

$100 - $200/hr

Part-time

Posted 29 days ago


Job description

Job Title: AI Data Science Domain Expert

Job Type: Contractor (Part-Time)
Location: Remote

Job Overview

We are seeking experienced AI Data Science Domain Experts to contribute their expertise to an innovative project focused on advancing next-generation AI systems. In this role, you will review, evaluate, and refine AI-generated technical and analytical content to improve model accuracy, reasoning, and overall performance. No prior AI experience is required—your data science expertise, analytical thinking, and communication skills are what matter most.

Key Responsibilities
  • Review, edit, and refine AI-generated content for accuracy, clarity, and technical relevance.
  • Develop, optimize, and evaluate prompts to improve AI model performance.
  • Conduct rubric-based assessments of AI outputs and provide structured feedback.
  • Perform independent research and fact-checking to validate technical information.
  • Annotate data and support quality assurance initiatives for AI training.
  • Interpret complex datasets and prepare clear technical reports and summaries.
  • Collaborate remotely with project teams to improve AI models and workflows.
Required Skills
  • Critical Thinking
  • Analytical Reasoning
  • Prompt Engineering
  • AI Output Evaluation
  • Quality Assurance
  • Technical Documentation
  • Technical & Report Writing
  • Content Review & Editing
  • Data Annotation
  • Data Interpretation
  • Fact Checking
  • Independent Research
  • Problem-Solving
  • Attention to Detail
Preferred Qualifications
  • 3+ years of experience in Data Science, Machine Learning, Applied AI, Statistics, Quantitative Analytics, or Data Analytics.
  • Experience producing or reviewing research papers, analytical reports, technical documentation, experiment summaries, or data-driven recommendations.
  • Strong analytical reasoning, critical thinking, and written communication skills.
  • Experience with data annotation, content review, or rubric-based evaluation is preferred.
  • Familiarity with prompt engineering, AI output evaluation, fact-checking, or RLHF is a plus.
  • Master's, MBA, PhD, or other advanced degree is preferred.