ZipRecruiter

Log In

1

Data Science Contract Jobs in California (NOW HIRING)

Cypress HCM

Data Scientist

San Jose, CA

$105.63/hr

... Contract) * Location: San Jose CA 95110 (Hybrid) * Duration: 11/17/2025 to 6/12/2026 * Team: Express Growth US About the Role: * The Express Growth Data Science team is looking for a dynamic and ...

Staffingine LLC

Senior Data Scientist

Los Angeles, CA · On-site

Contract * Design develop and deploy machine learning models and algorithms using Python Lead data science projects from concept to implementation ensuring timely delivery and quality outcomes

NextDeavor Inc.

Data Scientist

San Francisco, CA · On-site

$90.14 - $112.68/hr

Data Scientist Full-time San Francisco, CA, US You'll be joining Adobe on a contract opportunity, employed through NextDeavor Benefits You'll Love NextDeavor offers health, vision and dental benefits ...

NextDeavor Inc.

Data Scientist

San Francisco, CA · On-site

$90.14 - $112.68/hr

Data Scientist Full-time San Francisco, CA, US You'll be joining Adobe on a contract opportunity, employed through NextDeavor Benefits You'll Love NextDeavor offers health, vision and dental benefits ...

GTT, LLC

Principal Data Scientist

Oakland, CA · Hybrid

$150 - $157/hr

Contract * Contract Duration: 12 months * Pay Rate: $150.00 $157.00 / Hour (USD) * Work ... Applies data science / machine learning / artificial intelligence methods to develop defensible and ...

Hireblazer

Senior Data Scientist

Irvine, CA · On-site

Contract to Hire Project Overview: The Sr. Data Scientist will join the Personalization Data Science and Machine Learning team to focus on solving recommendations, ranking, user condition predictions ...

3B Staffing LLC

Data Scientist

Oakland, CA · Remote

$58/hr

CA (remote) Contract Duration: 6 months Description: * Design, build, evaluate and defend machine ... Degree in Mathematics, Statistics, Computer Science, or related field * 2+ years of industrial ...

Mayvin, Inc

Data Scientist III

San Diego, CA

... contract award. Must be a U.S. Citizen. Must have an active Top Secret w/SCI eligibility ... Minimum of 10 years of professional experience in data science Preferred Qualifications

Booz Allen Hamilton

Data Scientist, Mid

San Diego, CA

$61K - $141K/yr

On our team, you'll use your analytical skills and data science knowledge to create real-world ... as well as contract-specific affordability and organizational requirements. The projected ...

Mayvin

Data Scientist III

San Diego, CA · On-site

$125K - $207K/yr

... contract award. Must be a U.S. Citizen. Must have an active Top Secret w/SCI eligibility ... Minimum of 10 years of professional experience in data science Preferred Qualifications

next page

Showing results 1-20

All JobsData Science Contract JobsData Science Contract Jobs in California

Data Science Contract information

See California salary details

$23K

$108.6K

$200.7K

How much do data science contract jobs pay per year?

As of Jul 26, 2026, the average yearly pay for data science contract in California is $108,565.00, according to ZipRecruiter salary data. Most workers in this role earn between $55,326.00 and $152,270.00 per year, depending on experience, location, and employer.

What is a Data Science Contract job?

A Data Science Contract job is a temporary or project-based role where a data scientist is hired for a specific period to work on data-related tasks such as analysis, machine learning, or model development. These roles can be short-term (a few months) or long-term but lack the benefits and job security of full-time employment. Contract data scientists often work with multiple clients, bringing expertise to solve business problems without a long-term commitment.

What kinds of projects and day-to-day tasks can I expect as a Data Science Contract professional?

As a Data Science Contract professional, you can expect to work on a variety of projects such as developing predictive models, analyzing large datasets, creating data visualizations, or advising organizations on best practices for data-driven decision making. Your day-to-day tasks may involve collaborating closely with clients or internal stakeholders to clarify objectives, cleaning and preparing data, developing algorithms, and presenting your findings in clear, actionable formats. Projects often vary in length and scope, offering exciting opportunities to tackle new business challenges across different industries. Flexibility and effective time management are essential, as balancing project deadlines and adapting quickly to new tools or domains are common aspects of contract-based work.

What are the key skills and qualifications needed to thrive in the Data Science Contract position, and why are they important?

To thrive as a Data Science Contract professional, you need a strong foundation in statistical analysis, machine learning, data manipulation, and advanced proficiency in programming languages such as Python or R, typically supported by a relevant degree. Experience with data visualization tools, cloud platforms, and certifications like AWS Certified Data Analytics or Microsoft Certified: Data Scientist are highly valued. Excellent communication, problem-solving abilities, and adaptability are crucial soft skills for collaborating with diverse teams and interpreting client needs. These skills ensure that contract-based data scientists can deliver actionable insights, adapt to new environments, and effectively address client-specific problems within limited project timelines.

What are the most commonly searched types of Data Science jobs in California? The most popular types of Data Science jobs in California are:
What are popular job titles related to Data Science Contract jobs in California? For Data Science Contract jobs in California, the most frequently searched job titles are:
What job categories do people searching Data Science Contract jobs in California look for? The top searched job categories for Data Science Contract jobs in California are:
What cities in California are hiring for Data Science Contract jobs? Cities in California with the most Data Science Contract job openings:
Data Science Contract jobs near you
Infographic showing various Data Science Contract job openings in California as of July 2026, with employment types broken down into 61% Full Time, 21% Part Time, 1% Temporary, and 17% Contract. Highlights an 82% Physical, 2% Hybrid, and 16% Remote job distribution, with an average salary of $108,565 per year, or $52.2 per hour.
Sr. Associate Scientist, Drug Substance-Data Science (Contract)

Sr. Associate Scientist, Drug Substance-Data Science (Contract)

Allogene Therapeutics

South San Francisco, CA • On-site

$45 - $50/hr

Contractor

Medical

Posted 3 days ago

Job description

Job Description
About Allogene:
Allogene Therapeutics, with headquarters in South San Francisco, is a clinical-stage biotechnology company pioneering the development of allogeneic chimeric antigen receptor T cell (AlloCAR T) products for cancer and autoimmune disease. Led by a management team with significant experience in cell therapy, Allogene is developing a pipeline of "off-the-shelf" CAR T cell product candidates with the goal of delivering readily available cell therapy on-demand, more reliably, and at greater scale to more patients.
About the role:
Allogene is seeking a highly motivated Senior Associate Scientist to support the Cell Starting Material - Process Sciences group within the Process and Product development organization. This individual will contribute to the characterization of cell starting material and developing cell isolation technologies, developing and implementing state-of-the-art processing technologies to deliver scalable and robust manufacturing processes.
Responsibilities include, but are not limited to:
  • Actively contributes to the development and implementation of Cell Starting Material characterization studies using QbD principles to support process understanding, optimization, and characterization activities.
  • Applied advanced statistical tools to large and complex data set to advance raw materials and product understanding.
  • Support clinical-scale non-GMP manufacturing operations for execution of BLA-enabling process characterization activities.
  • Support and contribute to process characterization efforts and continuous improvement initiatives aimed at enhancing CAR-T manufacturing processes and capabilities (e.g., evaluation of process parameters, materials, closed or disposable systems, and operational workflows).
  • Contribute to Project Technical Teams and communicate and collaborate effectively to ensure effective interactions with all stakeholder groups.
  • Ensure high-quality, timely documentation in electronic laboratory notebooks and Technical Reports and contribute to Regulatory Filings and responses to Regulatory questions as appropriate.
  • Present data/strategy to scientists (and management) in internal venues (technical meetings, Project Team meetings) as appropriate.
  • Remain current with relevant cell therapy, immunology, and bioprocessing literature.
  • Other duties as assigned

Position Requirements & Experience:
  • BS/MS in Molecular & Cell Biology, Immunology with emphasis on data science preferred.
  • MS plus at least 2 years of experience or BS with at least 5 years of experience
  • A demonstrated foundational understanding of mammalian or primary cell culture, biochemistry, molecular & cell biology and immunology (required for enhanced product & process understanding).
  • Experience in Quality by Desing methodologies and statistical modeling in biologics or cell therapy space is highly preferred.
  • Experienced with multivariate data analysis, preferred experience with statistical software (JMP, R-Studio, Python).
  • Designed and deployed dashboards for real-time process monitoring, improving data accessibility and decision-making capabilities.
  • Experience in flow cytometry is highly preferred.
  • Experience with prior Gene & Cell Therapy manufacturing preferred but not required.
  • Experience in genetic modification of cells using gene editing and gene delivery technologies preferred but not required.
  • Experience with PBMC isolation techniques preferred but not required.
  • Ability to work in a fast-paced, startup environment.
  • Strong attention to detail with the ability to multi-task and handle multiple responsibilities simultaneously.
  • Excellent organizational skills and an ability to prioritize effectively to deliver results within reasonably established timelines.
  • Ability to work independently and as part of a team.
  • Strong interpersonal skills including verbal and written communication are essential in this collaborative work environment.
  • Candidates must be authorized to work in the U.S.
  • This is a 1-year contract opportunity with the possibility of extension or contract-to-hire.

We offer a chance to work with talented people in a collaborative environment and provide a top-notch compensation and benefits package, which includes an annual performance bonus, equity, health insurance, generous time off (including 2 annual holiday company-wide shutdowns) and much more. The expected salary range for this role is $45.00 to $50.00 per hour. Actual pay will be determined based on experience, qualifications, geographic location, business needs, and other job-related factors permitted by law.
As an equal opportunity employer, Allogene is committed to a diverse workforce. Employment decisions regarding recruitment and selection will be made without discrimination based on race, color, religion, national origin, gender, age, sexual orientation, physical or mental disability, genetic information or characteristic, gender identity and expression, veteran status, or other non-job-related characteristics or other prohibited grounds specified in applicable federal, state and local laws. We also embrace differences in experience and background, and welcome diversity of opinions and thought with active recruitment and internships designed to create a stronger and better Allogene that is focused on developing life-changing products for patients.

Apply