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Python Data Scientist Jobs in California (NOW HIRING)

Job Summary : Infosys/Apple is seeking a highly skilled and motivated Data Scientist / Machine ... Python or R. Experience with machine learning libraries (e.g., TensorFlow, PyTorch, scikit-learn ...

Strong programming skills in data science and AI/ML languages (e.g., Python or R), with fluency in core ML and AI libraries such as scikit-learn, XGBoost/LightGBM, and pandas. * Skilled at leveraging ...

Data Scientist

San Francisco, CA · Remote

$160K - $200K/yr

The role will report directly to the CTO. Next to the CTO, you will be first Data Scientist on the ... Comfortable with Python, Flask/Django, Pandas and Numpy * Demonstrated ability to pick up new ...

Data Scientist

Santa Cruz, CA · Remote

$130K - $170K/yr

Expertise in Python and packages such as numpy, pandas, scikit-learn * Experience with a deep ... Experience applying data science and machine learning to real-world problems * Bachelor's degree or ...

Python Machine Learning, data science, AWS, Statistical Modeling, Semantic Search, Vector DB, GenAI, SQL Technical Responsibilities : * Design and Execute Experiments: Lead end-to-end A/B testing ...

Data Scientist

El Segundo, CA · On-site

$95K - $142K/yr

The Data Science and Artificial Intelligence Department (DSAID)seeksa creative and enthusiastic ... Python * Demonstrated experience with and understanding of machine learning and artificial ...

R, Python, C, C++, SQL, Java. (Experience with Spark/Scala a plus.) * Experience defining research ... A passion for data science and problem-solving in general * Self-driven individual who can take a ...

Strong hands-on Python and SQL skills for data science (pandas, scikit-learn, and similar). * Should be strong in AWS suite, experience working with AWS Cloud or similar environments and tools for ...

Company Description We are seeking a data scientist with at least 1 year of experience working with ... Experience with scripting languages such as Python; Understanding of main statistical methods;

Data Scientist

Santa Cruz, CA · On-site

$130K - $170K/yr

Expertise in Python and packages such as numpy, pandas, scikit-learn * Experience with a deep ... Experience applying data science and machine learning to real-world problems * Bachelor's degree or ...

... as Python; • Understanding of main statistical methods; • Understanding of sampling techniques; • Understanding of descriptive and inferential statistics concepts; • Business domain ...

Located in Waterloo, this full-time Senior Data Scientist opportunity is with an innovative ... The team is leveraging Python-based machine learning frameworks, statistical modeling, anomaly ...

Python, scientific data analysis, statistical analysis, knowledge discovery, supervised learning, unsupervised learning, deep learning, reinforcement learning, natural language processing, and big ...

Python, R, SQL, SAS, NLTK, Scikit-Learn, Excel, Tableau, Power BI, and Jupyter; Basic data science concepts: probability, statistics, hypothesis testing, machine learning, natural language processing ...

Python, R, SQL, SAS, NLTK, Scikit-Learn, Excel, Tableau, Power BI, and Jupyter; Basic data science concepts: probability, statistics, hypothesis testing, machine learning, natural language processing ...

R, Python, C, C++, SQL, Java. (Experience with Spark/Scala a plus.) * Experience defining research ... A passion for data science and problem-solving in general * Self-driven individual who can take a ...

Python, R, SQL, SAS, NLTK, Scikit-Learn, Excel, Tableau, Power BI, and Jupyter; Basic data science concepts: probability, statistics, hypothesis testing, machine learning, natural language processing ...

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Python Data Scientist information

See California salary details

$37K

$121.1K

$193.9K

How much do python data scientist jobs pay per year?

As of Sep 2, 2026, the average yearly pay for python data scientist in California is $121,131.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,200.00 and $134,200.00 per year, depending on experience, location, and employer.

What is a Python data scientist?

A Python Data Scientist is a professional who uses Python programming language and its data analysis libraries to extract insights from large datasets. They apply statistical techniques, machine learning algorithms, and data visualization tools to solve business problems and make data-driven decisions. Python Data Scientists often work with tools like pandas, NumPy, scikit-learn, and Jupyter notebooks to manipulate data and build predictive models. Their role typically involves collecting, cleaning, analyzing, and interpreting complex data to help organizations make informed decisions.

What are some common challenges faced by Python data scientists when working with large datasets?

Python Data Scientists often encounter challenges related to processing and analyzing large datasets, such as memory limitations and slow computation times. To address these, professionals typically use libraries like Pandas, Dask, or PySpark to optimize data handling and leverage parallel computing. Collaborating closely with data engineers and IT teams can also help in setting up efficient data pipelines and scalable infrastructure. Staying updated with best practices in data preprocessing and model optimization is crucial for managing these challenges effectively.

What are the key skills and qualifications needed to thrive as a Python data scientist, and why are they important?

To thrive as a Python Data Scientist, you need strong analytical skills, a solid understanding of statistics, machine learning, and proficiency in Python programming, typically backed by a degree in computer science or a related field. Familiarity with tools and libraries such as Pandas, NumPy, Scikit-learn, TensorFlow, and version control systems like Git is essential. Problem-solving, curiosity, and effective communication are standout soft skills for this role. These abilities are crucial for extracting actionable insights from data, building predictive models, and collaborating across multidisciplinary teams.

What is the difference between Python Data Scientist vs Data Analyst?

AspectPython Data ScientistData Analyst
Required SkillsPython, machine learning, statistical analysis, data modelingExcel, SQL, basic statistics, data visualization
CertificationsData Science certifications, Python programming coursesData analysis or business intelligence certifications
Work EnvironmentData science teams, R&D, predictive modeling projectsBusiness units, reporting, data visualization tasks
Industry UsageTech, finance, healthcare, e-commerceRetail, marketing, finance, healthcare

Python Data Scientists focus on building predictive models and advanced analytics using Python, while Data Analysts primarily interpret data through visualization and reporting. Both roles require strong analytical skills, but Python Data Scientists typically have more programming and machine learning expertise, making them suitable for complex data projects.

How much do Python data scientists make?

Python data scientists typically earn between $80,000 and $130,000 annually, depending on experience, location, and industry. Senior roles or those with specialized skills in machine learning and big data can command higher salaries, often exceeding $150,000. Compensation may also include bonuses and stock options in some companies.

Is Python good for data science?

Python is widely used by data scientists due to its simplicity, extensive libraries like Pandas, NumPy, and scikit-learn, and strong community support. It enables efficient data analysis, modeling, and visualization, making it a preferred programming language in the data science field.

What cities in California are hiring for Python Data Scientist jobs?

Cities in California with the most Python Data Scientist job openings:

Infographic showing various Python Data Scientist job openings in California as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 13% Part Time, and 2% Contract. Highlights an 86% Physical, 3% Hybrid, and 11% Remote job distribution, with an average salary of $121,131 per year, or $58.2 per hour.

Full-time

Re-posted 9 days ago


Job description

Job Summary:
Infosys/Apple is seeking a highly skilled and motivated Data Scientist / Machine Learning Engineer to join their team. The role involves developing and implementing advanced analytics and machine learning models, analyzing large datasets, and collaborating with cross-functional teams to integrate solutions into existing systems.
Responsibilities:
• Analyze large datasets to extract meaningful insights and patterns that contribute to informed decision-making.
• Design, develop, and deploy machine learning models to solve complex business problems.
• Identify relevant features and perform data preprocessing to enhance model performance.
• Evaluate the performance of machine learning models using appropriate metrics and fine-tune them for optimal results.
• Communicate complex findings and insights to both technical and non-technical stakeholders through data visualization techniques.
• Collaborate with cross-functional teams to integrate machine learning solutions into existing systems or develop new applications.
• Stay abreast of the latest developments in data science and machine learning, and apply cutting-edge techniques to real-world problems.
Qualifications:
Required:
• Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, or a related field.
• Proven experience as a Data Scientist or Machine Learning Engineer, with a strong portfolio of projects demonstrating practical applications of machine learning.
• Proficiency in programming languages such as Python or R. Experience with machine learning libraries (e.g., TensorFlow, PyTorch, scikit-learn) is highly desirable.
• Strong statistical analysis skills and the ability to derive actionable insights from data.
• Excellent problem-solving skills and the ability to approach business challenges with a data-driven mindset.
• Effective communication skills to convey complex technical concepts to both technical and non-technical stakeholders.
• A collaborative mindset with the ability to work in interdisciplinary teams.
Company:
Founded and incorporated in 2012 , Info Way Solutions is an IT services and consulting company headquartered in Fremont , CA. Founded in 2012, the company is headquartered in Fremont, USA, with a team of 501-1000 employees. The company is currently Late Stage.