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Sr Python Developer Jobs in California (NOW HIRING)

MongoDB

Senior Python Engineer

Ontario, CA · On-site +1

$123K - $166K/yr

Our mission is to increase developer adoption, satisfaction and retention by providing a reliable ... Our senior engineers are typically specialists in a particular programming language, but are ...

Saxon Global

Sr. Python Developer (ML/AI)

Westlake Village, CA · On-site

$127K - $171K/yr

* 4-yr Technical Degree (Computer Science or related), MS in ML preferred * 7+ yrs of IT/Engineer * 3+ yrs of Python development. * 2+ years of experience with AWS services. * 2+ years of experience ...

Info Way Solutions

Sr Cloud Python Developer

Fremont, CA · On-site

$133K - $179K/yr

Kindly check the JD and share your views Sr Cloud Python Developer Austin, TX or Sunnyvale, CA Onsite Job Python Developer with GCP certificate preferred Job Requirement: 10+ Advanced knowledge of ...

E-Solutions

Senior Developer (AWS , PYTHON)

Encino, CA · On-site

$127K - $171K/yr

Senior Developer AWS and Node JS, with Python Senior Developer with 10+ years of strong experience in Java fullstack, Node.JS, and Python. Should have 10+ years of experience as a full stack ...

Anveta

Senior Software Engineer (Python)

Sunnyvale, CA · On-site

$144K - $194K/yr

Senior Software Engineer (Python) Location: Sunnyvale, CA on Site Duration: 12+ months with extension Interview: Video Need Genuine LinkedIn NO RECENT OR MULTIPLE LINKEDIN * Looking to add a Python ...

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All JobsSr Python Developer JobsSr Python Developer Jobs in California

Sr Python Developer information

See California salary details

$54.3K

$140.1K

$192.4K

How much do sr python developer jobs pay per year?

As of Jun 28, 2026, the average yearly pay for sr python developer in California is $140,116.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,900.00 and $161,400.00 per year, depending on experience, location, and employer.

What are the typical daily responsibilities of a Sr Python Developer?

As a Sr Python Developer, your daily tasks often include designing and coding complex features, reviewing code from team members, and troubleshooting bugs or performance issues. You may also lead technical discussions, contribute to architectural decisions, and collaborate closely with product managers, QA engineers, and other developers. Mentoring junior team members and staying up to date with best practices or new technologies is also a regular part of the role. This combination of hands-on engineering and leadership responsibilities ensures both the quality of the codebase and the continual growth of the team.

What are the key skills and qualifications needed to thrive in the Sr Python Developer position, and why are they important?

To thrive as a Sr Python Developer, you need expert proficiency in Python programming, strong problem-solving skills, and a solid background in computer science or related fields, often demonstrated by several years of relevant experience. Familiarity with frameworks like Django or Flask, version control systems such as Git, and sometimes certifications such as PCEP or PCAP are typically valued. Strong communication, leadership, and the ability to mentor junior developers are standout soft skills for this position. These combined proficiencies ensure that Sr Python Developers can build robust solutions, contribute to architectural decisions, and drive team success in complex technical environments.

What is a Sr Python Developer job?

A Sr Python Developer is an experienced software engineer who specializes in designing, developing, and maintaining applications using Python. They are responsible for writing clean, efficient, and scalable code while also mentoring junior developers and collaborating with cross-functional teams. Their role often includes optimizing application performance, integrating third-party services, and ensuring best coding practices. Additionally, they may work with frameworks like Django or Flask and databases such as PostgreSQL or MongoDB to build robust backend systems.

What are the most commonly searched types of Sr Python Developer jobs in California? The most popular types of Sr Python Developer jobs in California are:
What are popular job titles related to Sr Python Developer jobs in California? For Sr Python Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Sr Python Developer jobs in California look for? The top searched job categories for Sr Python Developer jobs in California are:
What cities in California are hiring for Sr Python Developer jobs? Cities in California with the most Sr Python Developer job openings:
Sr Python Developer jobs near you
Infographic showing various Sr Python Developer job openings in California as of June 2026, with employment types broken down into 92% Full Time, 5% Part Time, 1% Temporary, and 2% Contract. Highlights an 82% Physical, 5% Hybrid, and 13% Remote job distribution, with an average salary of $140,116 per year, or $67.4 per hour.
Senior Python Developer- AI/ML

Senior Python Developer- AI/ML

Sustainable Talent

San Francisco, CA • On-site

$143K - $192K/yr

Full-time

PTO

Posted 2 days ago

Job description

Location: San Francisco, Bay Area, CA
Employment Type: Contract
About Us
Sustainable Talent provides flexible workforce solutions, connecting top-tier talent with leading global organizations. We partner with some of the world's most innovative companies to help them scale their teams with the right expertise. This opportunity is with one of our global high-tech clients, a leader in AI-driven technology and digital transformation. Our client is at the forefront of artificial intelligence, leveraging cutting-edge data science and machine learning to solve complex challenges.
About the Role
Our client is seeking a Python Developer to develop and optimize applications that support machine learning and data science initiatives. You'll work on building scalable data pipelines, deploying AI models, and ensuring performance and efficiency in production environments. Collaboration with data scientists and cross-functional teams will be key to transforming research into real-world solutions. If you're passionate about AI, cloud technologies, and writing clean, efficient code, this is an exciting opportunity to contribute to cutting-edge innovation.
What You'll Do
  • Develop and optimize Python-based applications that support data science and machine learning initiatives.
  • Implement and deploy machine learning models using TensorFlow, PyTorch, and Scikit-learn.
  • Design and build scalable data pipelines to preprocess and transform large datasets for AI/ML applications.
  • Work closely with data scientists to translate research into production-ready ML solutions.
  • Develop predictive analytics and deep learning solutions to enhance business intelligence and decision-making.
  • Ensure model performance optimization and scalability in production environments.
  • Integrate ML models into cloud-based platforms (AWS, GCP, Azure) and microservices architectures.
  • Write clean, efficient, and well-documented Python code following software engineering best practices.
  • Collaborate with cross-functional teams to drive innovation and improve AI-driven products.
What We're Looking For
  • 7+ years of software engineering experience with a strong focus on Python development.
  • Expertise in machine learning frameworks such as TensorFlow, PyTorch, and Scikit-learn.
  • Proficiency in data manipulation and processing libraries (Pandas, NumPy, SciPy).
  • Strong understanding of predictive analytics, deep learning, and AI model development.
  • Hands-on experience with big data processing technologies, including Spark, Hadoop, or Databricks.
  • Proficiency in cloud platforms (AWS, GCP, or Azure) and MLOps best practices.
  • Experience working with databases such as PostgreSQL, MySQL, MongoDB, or NoSQL databases.
  • Strong knowledge of data structures, algorithms, and software engineering principles.
  • Experience with API development and integrating AI models into scalable applications.
  • Proficiency in JavaScript and front-end frameworks (React, Vue, or Angular) is a plus.
  • Strong problem-solving skills and ability to communicate complex technical concepts effectively.
  • Bachelor's or Master's degree in Computer Science, Data Science, Engineering, or equivalent experience.
Why Join Us?
  • Work with a global high-tech AI-driven company leading in data science and machine learning.
  • Engage in high-impact AI/ML projects that drive innovation and business intelligence.
  • Competitive salary and career growth opportunities.
  • We offer full benefits, flexible PTO, and amazing company culture!
  • Be part of a diverse, inclusive, and collaborative work environment that fosters creativity and excellence.
How to Apply
If you're an experienced Senior Python Developer passionate about AI, machine learning, and data-driven innovation, we want to hear from you!
Apply today by submitting your resume and a brief cover letter detailing your relevant experience.
Sustainable Talent is an Equal Opportunity Employer and is committed to fostering an inclusive workplace. We prohibit discrimination and harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other protected characteristic under applicable laws.

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