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Data Science Contract Jobs in California (NOW HIRING)

Russell, Tobin & Associates

Data Scientist III

Mountain View, CA · On-site

$70 - $79/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Contract - 12+ months Pay Rate Range: $70 - $79 per hour (DOE) Responsibilities: * Partner with ... Strong experience with SQL, analytics, and data science methodologies. * Hands-on expertise with A ...

Booz Allen Hamilton

Data Scientist

San Diego, CA · On-site

$62K - $141K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Work with us as we use data science for good. Join us. The world can't wait. You Have: * Experience ... as well as contract-specific affordability and organizational requirements. The projected ...

CPMC LLC

Data Scientist

San Diego, CA · On-site

Government contract proposal with the Department of Navy Duration: Potential 5-year contract ... Associate's degree in math, science, engineering, or a related field. * Minimum of 1 year of ...

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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 Aug 13, 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?

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 August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 21% Part Time, 2% Temporary, and 3% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $108,565 per year, or $52.2 per hour.

Data Scientist - Machine Learning Focus

Adidev Technologies Inc

San Jose, CA • On-site

Full-time

Re-posted 19 days ago

Job description

Role: Data Scientist - Machine Learning Focus
(This role is open to US Citizens, Green Card holders, GC-EAD only. We do not sponsor visas.)
Adidev Technologies Inc
www.adidevtechnologies.com
Adidev Technologies is seeking 2 yrs of relevant experience in Data Science. A project can last anywhere from 6 months to 18 months. Salary varies depending on experience, and we are in search of candidates looking to start as soon as possible. Excellent written and oral communication are required as is the ability to work well in a team environment.
If you are looking for a new challenge and are ready to make an impact on a growing team, then this will be a perfect fit. As a Data Scientist / Data Analyst / Data Science Specialist for Adidev Technologies Inc., you will be enhancing and debugging large-scale applications for one of our well-known clients.
Job Description
• Demonstrated experience using machine learning, deep learning, statistical methodology, and simulation/optimization modeling in geospatial, network topography, recommendation-systems, environmental systems and/or agronomic problems.
• Strong foundation in Python programming in a cloud environment.
• Strong quantitative abilities, distinctive problem-solving, and excellent analysis skills
• Expertise in data wrangling using SQL,
• Practical knowledge and experience with cloud-computing systems and platforms, including the routine deployment of pipelines through Kubernetes
• Fluency in querying/extracting/aggregating data via SQL scripting.
• Extract, load and transform data (ETL) from structured and unstructured sources
• Apply Natural Language Processing and Computer Vision to solve business use cases,
• Strong skills in scientific data analyses, modeling, visualization and communication of results.
• Knowledge of Python libraries (NumPy, Pandas, SciKit-Learn, TensorFlow, PyTorch), Spacy, MongoDB, PostgreSQL, Flask, streamlet and a good knowledge of data pipelines construction
Must have
• Understanding of various machine learning algorithms (e.g. SVM, Random Forests, Gradient Boosting, Log-Log regression, XGBoost, Lasso, Ridge, Clustering techniques, Neural Networks and others)
• Regression (e.g. ? Linear/Logistic/MNL/Mixed Effects/Regularization)
• Classification (K-means, Hierarchical, Latent Class, DBScan, SVM)
• Dimension Reduction techniques (Principal Component analysis, Singular Value Decomposition etc.)
• Optimization (Linear programming, Stochastic Gradient Descent, Genetic Algorithm etc.)
• Experience with neural network approaches to text classification CNN, RNN, LSTM,Keras
• Machine Learning algorithms? Neural Networks, Naïve Bayes, Bagging & Boosting, Random Forest
• Distributed computing tools and cloud technology (AWS)
Benefits
  • Competitive Salary
  • Paid Relocation
  • Remote Support
  • Guaranteed Regular Salary Reviews
  • Job Type: W2 or Contract 1099 (full-time - 40 hours).

Ready to Embark?
we invite you to take this extraordinary step with us. Showcase your journey in pushing the limits of mobile engineering by submitting your resume and a curated selection of your most influential projects. At Adidev Technologies, we're dedicated to shaping your success. Join us to craft a future powered by innovation and growth.
Note: Adidev Technologies Inc. is a staunch advocate of diversity and equal opportunity. We warmly welcome applications from candidates of all backgrounds, experiences, and walks of life. Your unique perspective could be the catalyst for our next revolutionary breakthrough

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