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Backend Python Jobs in California (NOW HIRING)

Software Engineer (Backend Engineer- Python) Who We Are: Quest Global delivers world-class end-to-end engineering solutions by leveraging our deep industry knowledge and digital expertise. By ...

Software Engineer (Backend Engineer- Python) Who We Are: Quest Global delivers world-class end-to-end engineering solutions by leveraging our deep industry knowledge and digital expertise. By ...

Backend Engineer - Data

Cupertino, CA · On-site

$100K - $115K/yr

Software Engineer (Backend Engineer- Python) Who We Are: Quest Global delivers world-class end-to-end engineering solutions by leveraging our deep industry knowledge and digital expertise. By ...

As a Backend Python Engineer focused on Identity and Authentication, you will develop large-scale, high-performance backend solutions that ensure trust, security, and seamless customer experiences.

As a Backend Python Engineer focused on Identity and Authentication, you will develop large-scale, high-performance backend solutions that ensure trust, security, and seamless customer experiences.

Senior Backend Engineer

San Francisco, CA · On-site

$200K - $350K/yr

Senior Backend Engineer (Python) At some point in the future, every business will answer their phone with voice AI. We are making sure that when they build that AI agent, the experience of doing so ...

As a Backend Python Engineer, you will architect and deliver high-performance, fault-tolerant backend solutions that directly impact customer experiences and business success. You'll define technical ...

Senior Backend Engineer

San Francisco, CA · On-site

$200K - $400K/yr

Backend: Python (Django/FastAPI), TypeScript (Node.js) * Infrastructure: AWS, Modal, Kubernetes, Postgres * Frontend: TypeScript, Next.js (you'll interact with this, but it's not the focus) You Might ...

Staff Backend Engineer

San Francisco, CA · On-site

$290K - $400K/yr

Backend: Python (Django/FastAPI), TypeScript (Node.js) * Infrastructure: AWS, Modal, Kubernetes ... Postgres * Frontend: TypeScript, Next.js (you'll interact with this when needed) You Might Be a Fit ...

As a Backend Python Engineer, you will architect and develop large-scale, high-performance backend solutions that directly enhance customer experiences and business outcomes. You'll lead and mentor ...

As a Backend Python Engineer, you will architect and develop large-scale, high-performance backend solutions that directly enhance customer experiences and business outcomes. You'll lead and mentor ...

Agentic AI Developer

San Jose, CA · On-site

$50 - $55/hr

Strong experience in full-stack or backend development. * Deep expertise in Java and Python. * Hands-on experience with Large Language Models (LLMs), especially Gemini family models. * Experience ...

Python Developer

San Francisco, CA

$59.25 - $81.50/hr

This role is heavily backend-focused, with strong emphasis on Python and PySpark, while also contributing to frontend development using React and Angular as needed. * This candidate will serve as a ...

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Backend Python information

See California salary details

$15.8K

$146.3K

$188.5K

How much do backend python jobs pay per year?

As of May 29, 2026, the average yearly pay for backend python in California is $146,292.00, according to ZipRecruiter salary data. Most workers in this role earn between $143,600.00 and $165,300.00 per year, depending on experience, location, and employer.

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

To thrive as a Backend Python Developer, you need strong proficiency in Python, knowledge of backend frameworks (like Django or Flask), and experience with databases, typically supported by a degree in computer science or related fields. Familiarity with tools such as Git, RESTful APIs, Docker, and cloud platforms like AWS or Azure, as well as relevant certifications, is highly valuable. Problem-solving ability, teamwork, and effective communication are critical soft skills for collaborating with cross-functional teams and troubleshooting issues. These skills and qualifications are crucial for building scalable, reliable backend systems that power modern applications.

What are common challenges faced by Backend Python developers when integrating with third-party APIs?

Backend Python developers often encounter challenges such as inconsistent API documentation, unexpected data formats, and rate limiting when integrating with third-party APIs. These issues require strong debugging skills, careful error handling, and proactive communication with API providers. Additionally, developers must ensure secure authentication, maintain up-to-date dependencies, and write scalable code to handle varying loads. Collaborating closely with frontend teams is also essential to provide seamless end-to-end functionality.

What are backend Python developers?

Backend Python developers are software engineers who specialize in building and maintaining the server-side components of web applications using the Python programming language. They focus on databases, application logic, APIs, and integration with front-end systems, ensuring that data is processed and served efficiently. These developers often work with frameworks like Django or Flask and collaborate with frontend developers, DevOps, and other team members to deliver robust and scalable web solutions.

What is the difference between Backend Python vs Backend Java?

AspectBackend PythonBackend Java
Required CredentialsBachelor's in CS, Python certificationsBachelor's in CS, Java certifications
Work EnvironmentWeb development, data science, startupsEnterprise applications, large-scale systems
Industry UsageTech startups, data analytics, AIBanking, finance, large corporations
Common Search/ComparisonYesYes

Backend Python and Backend Java are both popular server-side roles but differ in their typical use cases and industry focus. Python is favored for rapid development, data science, and startups, while Java is preferred for large-scale, enterprise applications. Your choice depends on the industry and project requirements.

What are the most commonly searched types of Backend Python jobs in California? The most popular types of Backend Python jobs in California are:
What are popular job titles related to Backend Python jobs in California? For Backend Python jobs in California, the most frequently searched job titles are:
What job categories do people searching Backend Python jobs in California look for? The top searched job categories for Backend Python jobs in California are:
What cities in California are hiring for Backend Python jobs? Cities in California with the most Backend Python job openings:

Backend Engineer - Data

Quest Global

Cupertino, CA

$100K - $115K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago


Quest Global rating

7.4

Company rating: 7.4 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

234th of 350 rated engineering


Job description

Job Requirements

POSITION: Software Engineer (Backend Engineer- Python)

Who We Are:

Quest Global delivers world-class end-to-end engineering solutions by leveraging our deep industry knowledge and digital expertise. By bringing together technologies and industries, alongside the contributions of diverse individuals and their areas of expertise, we are able to solve problems better, faster. This multi-dimensional approach enables us to solve the most critical and large-scale challenges across the aerospace & defense, automotive, energy, hi-tech, healthcare, medical devices, rail and semiconductor industries.

We are looking for humble geniuses, who believe that engineering has the potential to make the impossible possible; innovators, who are not only inspired by technology and innovation, but also perpetually driven to design, develop, and test as a trusted partner for Fortune 500 customers. As a team of remarkably diverse engineers, we recognize that what we are really engineering is a brighter future for us all. If you want to contribute to meaningful work and be part of an organization that truly believes when you win, we all win, and when you fail, we all learn, then we’re eager to hear from you. The achievers and courageous challenge-crushers we seek, have the following characteristics and skills

 What You will Do:

  • Estimate, plan, and implement software development work.
  • Work closely with product manager to gather requirements to build new modules or improve existing modules.
  • Evaluate, maintain and improve existing code base to ensure that it is properly structured and utilize software engineering best practices
  • Troubleshoot, identify, and research reported issues, and have the ability to provide recommendations by comparing advantages and disadvantages of various solutions.
  • 6+ years of experience with designing and developing web services applications.
  • Strong experience with providing and consuming web services / APIs (REST, JSON, OpenAPI/Swagger)
  • Experience with modern Python and frameworks (FastAPI/Flask, SQLAlchemy Core, Pydantic, Httpx, Alembic, Pytest, Ruff, Pyright, or similar)
  • Strong experience with data modeling using relational databases, Writing and optimizing complex queries using SQL (Postgres)
  • Strong experience with Git, Bug tracking, and collaborating with a software team
  • Basic understanding of Containerization and DevOps processes (Docker, Kubernetes, AWS, CI/CD)
  • Basic understanding of Data Engineering a plus (ETL, Data warehouses)
  •  Strong debugging and diagnostic skills
  • Excellent communication and interpersonal skills
  • Excellent multi-tasking and organizational skills
  • Excellent problem solving and analytical thinking skills
  • Self-directed, analytical, and collaborative with a constant desire to learn, improve, and make things better
  • Experience working with a cross-disciplinary team of PMs, designers and other developers

What You Will Bring:

  • Set engineering vision and direction for existing and future applications.
  • Stay on top of new technologies and tools and adopt relevant ones to the team.
  • Accountable for meeting assigned project objectives and timelines.

Pay Range: $100,000-$115,000 per annum

Compensation decisions are made based on factors including experience, skills, education, and other job-related factors, in accordance with our internal pay structure. We also offer a comprehensive benefits package, including health insurance, paid time off, and retirement plan.

Work Requirements:

This role is considered an on-site position located in Cupertino, CA, USA

  • You must be able to commute to and from the location with your own transportation arrangements to meet the required working hours. 
  • Shop floor environment, which may include but not limited to extensive walking, and ability to lift up to 40 lbs.

Benefits begin on day one:

·      401(k) matching

·      Dental insurance

·      Health insurance

·      Paid time off

·      Vision insurance

·      Employer paid Life Insurance, Short- & Long-Term Disability


Work Experience

Backend dev with DE Engineer - preference is backend python dev who has build data pipelines.Experience in building API with fastapi and bonus if they have ever built a MCP server.


Benefits

Contract / Full time