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Senior Python Data Analysis Jobs in Fullerton, CA

Omega Solutions Inc.

Sr. Data Scientist

Santa Ana, CA · On-site

$100 - $150/hr

Sr. Data Scientist Santa Ana, CA 6 months Senior Data Scientist Projects * Field Team Modernization ... SQL, Python, Spark, Hive * Libraries: Scikit-Learn, Numpy * Analytics: Regression, Classification ...

SKIMS

Senior Data Analyst

Los Angeles, CA · On-site

$130K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Senior Data Analyst Department: Data, Insights and Loyalty Employment Type: Full Time Location: Los ... Python, Looker), with strong command of data wrangling, transformation, and exploratory analysis.

Consultative Search Group

Senior Finanacial Analyst

Costa Mesa, CA · On-site

$80K - $95K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Create supporting documentation and perform capital expenditure analysis for upper management ... Familiar with SQL, Python, data warehousing, and advanced expertise in Microsoft Office tools ...

SKIMS

Senior Data Analyst

Los Angeles, CA · On-site

$92K - $116K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

We are looking for a Senior Data Analyst based in Los Angeles to join our Data & Analytics team. In ... Python, Looker), with strong command of data wrangling, transformation, and exploratory analysis.

K2 Space

Senior Data Analyst

Los Angeles, CA

$140K - $180K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

As a Senior Data Analyst on our Enterprise Systems team, you will turn K2 Space's operational data ... Design and implement automated workflows using SQL, Python, Snowflake, and related tools to ...

omega solutions, Inc.

Sr. Data Scientist

Santa Ana, CA · On-site

Sr. Data Scientist Santa Ana, CA 6 months : What is the specific title of the position? Senior Data ... SQL, Python, Spark, Hive Libraries: Scikit-Learn, Numpy Analytics: Regression, Classification ...

AgileEngine

Senior Data Engineer ID75059

Los Angeles, CA · On-site

$114K - $155K/yr

You will implement Python-based ETL/ELT pipelines, orchestrate workflows with Airflow, develop ... advanced analytics; - Act as a technical consultant for stakeholders and leadership to gather ...

Pinterest

Sr. Data Analyst

Los Angeles, CA · On-site +1

$92K - $116K/yr

As a Senior Business Analyst on the Integrated Content Solutions team, you will help shape how ... Python, R, or similar scripting languages for data analysis, automation, or prototyping a plus.

Excelhire

Data Analyst

Los Angeles, CA

$32/hr

... analysis (preferred) * Strong knowledge of Excel, SQL, and data visualization tools (Tableau/Power BI) * Basic knowledge of Python or R (preferred) Skills * Primary skills: Excel, SQL, data ...

CACI International, Inc.

Data Analyst

Riverside, CA · On-site

$142K/yr

  • Medical

  • Retirement

  • PTO

Write efficient Python scripts for data manipulation, analysis, and automation. * Utilize Python libraries (e.g., Pandas, NumPy, Matplotlib) to perform advanced data analysis. * Collaborate with data ...

Tatari

Data Science Analyst

Los Angeles, CA · On-site

$70K - $85K/yr

  • Medical

  • Retirement

  • PTO

Magazine . Backed by an executive team of former founders and senior leaders from companies ... Provide ad-hoc data analysis, utilizing Python, PySpark, and SQL to identify and forecast trends ...

Tatari

Data Science Analyst

Los Angeles, CA · On-site

$70K - $85K/yr

  • Medical

  • Retirement

  • PTO

Magazine. Backed by an executive team of former founders and senior leaders from companies ... Provide ad-hoc data analysis, utilizing Python, PySpark, and SQL to identify and forecast trends ...

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All JobsPython Data Analysis JobsSenior Python Data Analysis JobsSenior Python Data Analysis Jobs in Fullerton, CA

Senior Python Data Analysis information

See Fullerton, CA salary details

$57.4K

$148.1K

$203.4K

How much do senior python data analysis jobs pay per year?

As of Aug 14, 2026, the average yearly pay for senior python data analysis in Fullerton, CA is $148,122.00, according to ZipRecruiter salary data. Most workers in this role earn between $126,800.00 and $170,600.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a senior Python data analyst?

To thrive as a Senior Python Data Analyst, you need an in-depth understanding of data analysis, statistical modeling, and advanced Python programming, typically supported by a degree in a quantitative field. Proficiency with data analysis libraries (like pandas, NumPy, and SciPy), visualization tools (such as Matplotlib and Seaborn), and experience with SQL databases are essential, and certifications like Microsoft Certified: Data Analyst Associate can be beneficial. Strong problem-solving abilities, effective communication, and the capacity to distill complex data insights for stakeholders are critical soft skills. These competencies enable you to extract actionable insights from large datasets, drive data-informed decision-making, and collaborate effectively across teams.

What is the difference between Senior Python Data Analysis vs Data Scientist?

AspectSenior Python Data AnalysisData Scientist
Required SkillsPython, SQL, data visualization, statistical analysisPython, R, machine learning, statistical modeling
Work EnvironmentData analysis teams, business unitsResearch, product development, analytics teams
Industry UsageBusiness intelligence, finance, marketingTech, healthcare, finance, research
CertificationsPython certifications, data analysis coursesData science certifications, machine learning courses

While both roles involve Python and data handling, Senior Python Data Analysts focus on interpreting data and creating reports for business decisions, whereas Data Scientists develop predictive models and advanced algorithms to extract deeper insights. The roles often overlap, but Data Scientists typically require broader skills in machine learning and statistical modeling.

What are some common challenges senior Python data analysts face when working with large datasets, and how can they overcome them?

Senior Python Data Analysts often encounter difficulties such as slow processing speeds, memory limitations, and data quality issues when handling large datasets. To overcome these challenges, it's essential to leverage efficient libraries like pandas and Dask, utilize optimized data formats (such as Parquet), and implement batch processing or cloud-based solutions. Collaborating closely with data engineers and IT teams also helps ensure robust data pipelines and infrastructure. Regular code optimization and staying updated on best practices can further enhance performance when working at scale.

What is a senior Python data analyst?

A Senior Python Data Analyst is an experienced professional who uses Python programming to collect, process, and analyze large sets of data. They are responsible for extracting meaningful insights from data to support business decisions, often using libraries like pandas, NumPy, and matplotlib. In addition to technical skills, they also apply statistical analysis and data visualization techniques, and frequently mentor junior analysts or collaborate with data scientists and engineers. Their role may also involve developing automated data pipelines and ensuring data quality across projects.

What job categories do people searching Senior Python Data Analysis jobs in Fullerton, CA look for?

The top searched job categories for Senior Python Data Analysis jobs in Fullerton, CA are:

What cities near Fullerton, CA are hiring for Senior Python Data Analysis jobs?

Cities near Fullerton, CA with the most Senior Python Data Analysis job openings:

Senior Python Data Analysis jobs near you
Infographic showing various Senior Python Data Analysis job openings in Fullerton, CA as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 13% Part Time, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $148,122 per year, or $71.2 per hour.

Sr. Data Scientist

Omega Solutions Inc.

Santa Ana, CA • On-site

$100 - $150/hr

Other

This job post has expired today. Applications are no longer accepted.

Job description

Sr. Data Scientist

Santa Ana, CA

6 months

Job Description

Senior Data Scientist

Projects
  • Field Team Modernization/Intelligent Decision Management – build and support of new predictive data models
  • Coding Transformation – build and support of new/existing predictive data models
  • Ad hoc data analysis
Team

Individual contributor within Decision Intelligence team.

Responsibilities
  • Analytic data model development
  • Quality check of output from other developers
  • Data exploration/research
  • Documentation of logic and results
  • Presentation of logic and results to team and stakeholders
Required Skills & Experience
  • Programming: SQL, Python, Spark, Hive
  • Libraries: Scikit-Learn, Numpy
  • Analytics: Regression, Classification, Clustering, Decision Trees, SVM, Linear Regression, Logistic Regression, KNN, KMeans
  • Visualization: Matplot
  • Systems: UNIX, Windows
  • Soft skills: Integrity, strong verbal and written communication, teamwork, creativity
  • Experience: 3–4 years related field
Nice to Have
  • Analytics: Neural Networks, Graph Computation, Approximate Nearest Neighbors, Time Series, NLP
  • Visualization: Tableau, Plotly, Excel
  • Infrastructure: Big Data, Cloud Computing, High Performance Computing (GPUs)
  • Experience: 5+ years related field
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