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Data Science Software Engineer Jobs in California

Mercor

Software Engineer - Data Science

San Francisco, CA · Remote

$90 - $110/hr

Qualifications Must-Have * 3+ years of experience in software engineering or data science & analytics . Application Process (Takes 20-30 mins to complete) * Upload resume * AI interview based on your ...

Alutiiq

Software Engineer

San Diego, CA · On-site +1

The Software Engineer will support the Reverse Engineering, Science, and Technology for ... Experience supporting Machine Learning, Computer Vision, or data science workflows. Familiarity ...

LLNL

Data Science Engineer

Livermore, CA · On-site

$134K - $161K/yr

Broad experience with Python programming and software development. * Comprehensive experience applying machine learning, deep learning, or data science methods to real-world problems.

LLNL

Data Science Engineer

Livermore, CA · On-site

$134K - $161K/yr

Broad experience with Python programming and software development. * Comprehensive experience applying machine learning, deep learning, or data science methods to real-world problems. * Intermediate ...

LLNL

Data Science Engineer

Livermore, CA

$134K - $161K/yr

Broad experience with Python programming and software development. * Comprehensive experience applying machine learning, deep learning, or data science methods to real-world problems. * Intermediate ...

xAI

Software Engineer, Data

Palo Alto, CA · On-site

$134K - $161K/yr

Required : • Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree ...

xAI

Software Engineer, Data

Palo Alto, CA · On-site

$134K - $161K/yr

Required : • Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree ...

xAI

Software Engineer, Data

Palo Alto, CA · On-site

$134K - $161K/yr

Required : • Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree ...

LLNL

Data Science Engineer

Livermore, CA · On-site

$121K - $154K/yr

Experience with Python programming and software development, including version control (Git ... Master's degree in Computer Science, Data Science, Engineering, Mathematics, Statistics, or a ...

LLNL

Data Science Engineer

Livermore, CA

$121K - $154K/yr

Experience with Python programming and software development, including version control (Git ... Master's degree in Computer Science, Data Science, Engineering, Mathematics, Statistics, or a ...

LLNL

Data Science Engineer

Livermore, CA · On-site

$121K - $154K/yr

Experience with Python programming and software development, including version control (Git ... Master's degree in Computer Science, Data Science, Engineering, Mathematics, Statistics, or a ...

xAI

Software Engineer - Data

Palo Alto, CA

$150K - $250K/yr

At xAI, we are building AI systems that push the frontier of human knowledge and scientific ... As a Software Engineer on xAI's Data team, you will be responsible for developing applications that ...

SpaceX

Software Engineer, Data (Starlink)

Hawthorne, CA · On-site

$115K - $139K/yr

Required : • Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree ...

SpaceX

Software Engineer, Data (Starlink)

Hawthorne, CA · On-site

$115K - $139K/yr

Required : • Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree ...

SpaceX

Software Engineer, Data (Starlink)

Hawthorne, CA

$145K - $175K/yr

Bachelor's degree in computer science, data science, engineering, math, physics, or scientific discipline; OR 2+ years of professional experience building software in lieu of a degree * 1+ years of ...

Intelliswift Software

Software Engineer

Santa Clara, CA · On-site

$226K - $227K/yr

Analyze specifications, communications, data points, and programming requirements gathered per ... degree in Computer Science, Software Engineering or a related field plus two (2) years of ...

Alutiiq, LLC

Software Engineer

San Diego, CA · On-site

$110K - $125K/yr

The Software Engineer will support the Reverse Engineering, Science, and Technology for ... Experience supporting Machine Learning, Computer Vision, or data science workflows. * Familiarity ...

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All JobsData Science Software Engineer JobsData Science Software Engineer Jobs in California

Data Science Software Engineer information

See California salary details

$43.9K

$128K

$175.2K

How much do data science software engineer jobs pay per year?

As of Jun 21, 2026, the average yearly pay for data science software engineer in California is $128,018.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,000.00 and $135,700.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Data Science Software Engineer, and why are they important?

To thrive as a Data Science Software Engineer, you need strong proficiency in programming (especially Python or R), a solid understanding of statistics and algorithms, and typically a degree in computer science, data science, or a related field. Familiarity with machine learning frameworks (such as TensorFlow or scikit-learn), data processing tools (like Spark or Hadoop), and cloud platforms (AWS, GCP, or Azure) is essential, as are relevant certifications. Excellent problem-solving abilities, communication skills, and the ability to work collaboratively with cross-functional teams set top performers apart. These competencies are vital for efficiently developing scalable data-driven solutions that drive business insights and innovation.

How does a Data Science Software Engineer typically collaborate with data scientists and other stakeholders on projects?

Data Science Software Engineers play a vital role in bridging the gap between data science and software engineering teams. They work closely with data scientists to translate prototypes and models into scalable, production-ready code, and often collaborate with product managers, analysts, and infrastructure engineers to ensure seamless integration. Regular communication and code reviews are essential, as is an iterative development process to address feedback and ensure solutions meet both technical and business requirements. This cross-functional collaboration helps deliver robust data-driven applications that align with organizational goals.

What is a Data Science Software Engineer?

A Data Science Software Engineer is a professional who combines software engineering skills with data science expertise to build scalable data-driven systems and applications. They design, develop, and optimize software that supports data pipelines, machine learning models, and analytics platforms. Their work bridges the gap between data scientists, who focus on statistical analysis and modeling, and traditional software engineers, who focus on building robust and efficient software systems. Data Science Software Engineers ensure that data solutions are production-ready, scalable, and maintainable.

What is the difference between Data Science Software Engineer vs Data Analyst?

AspectData Science Software EngineerData Analyst
Required SkillsProgramming, software development, machine learningData visualization, statistical analysis, reporting
Work EnvironmentSoftware development teams, engineering projectsBusiness units, reporting teams
Common ToolsPython, Java, SQL, ML frameworksExcel, Tableau, SQL, R
Industry UsageTech, finance, healthcare, startupsMarketing, finance, retail, research

While both roles analyze data, Data Science Software Engineers focus on developing software solutions and machine learning models, requiring strong programming skills. Data Analysts primarily interpret data through visualization and statistical methods to support business decisions. The roles often overlap but serve different functions within organizations.

What are popular job titles related to Data Science Software Engineer jobs in California? For Data Science Software Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Data Science Software Engineer jobs in California look for? The top searched job categories for Data Science Software Engineer jobs in California are:
Data Science Software Engineer jobs near you

Software Engineer - Data Science

Mercor

San Francisco, CA • Remote

$90 - $110/hr

Full-time

Posted 11 days ago

Job description

About the job

Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey.

Position: Software & Data Science Expert
Type: Contract
Compensation: $90–$110/hour
Location: Remote
Commitment: 15–20 hours/week

Role Responsibilities

  • Author tasks to test AI reasoning over technical documentation.
  • Evaluate AI models on professional document understanding.
  • Develop complex, multi-step requests with real-world workspace files.
  • Ensure tasks follow precise instructions and produce accurate outputs.
  • Use objective evaluation rubrics for task assessment.
  • Work independently and asynchronously to meet deadlines.

Qualifications

Must-Have

  • 3+ years of experience in software engineering or data science & analytics.

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

  • For details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome
  • For any help or support, reach out to: support@mercor.com

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.