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Junior Python Programmer Jobs in California (NOW HIRING)

Cotality

Principal Software Engineer (Python)

Irvine, CA · On-site

$144K - $194K/yr

Mentor Senior & Junior Engineers: Act as a technical mentor and coach, sharing expertise in Python, Semantic AI, and Cloud Architecture to upskill the broader engineering organization. Job ...

Perficientcorp Inc

Sr. AWS Data Engineer

San Francisco, CA · On-site

$134K - $162K/yr

... using Python Drive data modeling (dimensional & normalized models) for analytics and reporting ... Mentor and guide junior data engineers and enforce engineering excellence Required Skills ...

Cotality

Principal Software Engineer (Python)

Irvine, CA · On-site +1

$144K - $194K/yr

Mentor Senior & Junior Engineers: Act as a technical mentor and coach, sharing expertise in Python, Semantic AI, and Cloud Architecture to upskill the broader engineering organization. Job ...

Leidos

Junior Signal Processing Engineer

San Diego, CA · On-site

$69K - $125K/yr

Leidos currently has an opening for a Junior Signal Processing Engineer to support EW programs in ... Experience with tools such as MATLAB, Linux, Mathematica, Python, Simulink - and languages such as ...

Fortinet

Junior Software Developer

Santa Clara, CA · On-site

$101K - $124K/yr

Join Fortinet as a Junior Software Developer and play a pivotal role in the entire software ... Strong proficiency in Python on Linux is required. Experience with additional programming languages ...

Jobsbridge

Junior Linux Engineer

San Diego, CA

... or Python etc.) 1+ years Object Oriented Programming 1+ years Database design and development Exp in an Agile Environment Highly Preferred 2+ years Perl or Bash Experience 2+ years MySQL or ...

VSolvit

JUNIOR SOFTWARE DEVELOPER (C++)

Norco, CA · On-site

$36 - $48/hr

... Junior Software Developer (C++) to join our team supporting the development and maintenance of ... Familiarity with Python scripting and automation * GIS (Geographic Information Systems) experience ...

CYNET SYSTEMS

Agentic AI Developer

San Jose, CA · On-site

$55 - $60/hr

Deep practical knowledge of Java and Python, demonstrated through significant development ... Guide junior engineers in adopting 'vibe coding' practices and leveraging Gemini-powered agentic ...

CYNET SYSTEMS

Agentic AI Developer

San Jose, CA · On-site

$55 - $60/hr

Deep practical knowledge of Java and Python, demonstrated through significant development ... Guide junior engineers in adopting 'vibe coding' practices and leveraging Gemini-powered agentic ...

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Junior Python Programmer information

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How much do junior python programmer jobs pay per hour?

As of Jul 9, 2026, the average hourly pay for junior python programmer in California is $26.60, according to ZipRecruiter salary data. Most workers in this role earn between $16.15 and $32.74 per hour, depending on experience, location, and employer.

What types of projects do Junior Python Programmers typically work on, and how do they collaborate with senior developers?

Junior Python Programmers often contribute to a variety of projects, such as developing scripts for data processing, building and maintaining web applications, and automating routine tasks. They usually work under the guidance of senior developers, receiving code reviews and feedback to refine their programming skills. Collaboration involves participating in team meetings, using version control systems like Git, and communicating regularly with other team members to ensure alignment on project goals and coding standards. This structure not only helps improve technical abilities but also provides valuable mentorship and growth opportunities.

What does a Junior Python Programmer do?

A Junior Python Programmer is an entry-level software developer who uses the Python programming language to write, test, and debug code for various applications. They often work under the guidance of more experienced developers, assisting with tasks such as developing scripts, automating processes, and helping maintain existing codebases. Their responsibilities also typically include troubleshooting issues, learning new frameworks or libraries, and collaborating with team members on software projects.

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

To thrive as a Junior Python Programmer, you need a solid understanding of Python programming fundamentals, basic software development principles, and a relevant degree or coursework in computer science or a related field. Familiarity with version control systems like Git, experience in using IDEs such as PyCharm or VS Code, and knowledge of testing frameworks are typically expected. Strong problem-solving skills, eagerness to learn, and effective communication make a candidate stand out in this role. These skills and qualities are crucial for contributing to projects, adapting to new technologies, and collaborating efficiently within development teams.

What is the difference between Junior Python Programmer vs Python Developer?

AspectJunior Python ProgrammerPython Developer
Required CredentialsBasic programming knowledge, often a degree or coding bootcampAdvanced Python skills, experience, possibly certifications
Work EnvironmentEntry-level projects, supervised tasksDesign, develop, and maintain complex applications
Employer & Industry UsageStartups, tech companies, internshipsEstablished companies, software firms, tech industry
Search & Comparison IntentEntry-level roles, learning pathAdvanced roles, career progression

The main difference between a Junior Python Programmer and a Python Developer lies in experience and responsibilities. Junior Python Programmers typically handle basic coding tasks under supervision, while Python Developers work on complex projects independently. Both roles require Python knowledge, but the level of expertise and scope of work differ significantly.

What are the most commonly searched types of Python Programmer jobs in California? The most popular types of Python Programmer jobs in California are:
What are popular job titles related to Junior Python Programmer jobs in California? For Junior Python Programmer jobs in California, the most frequently searched job titles are:
What job categories do people searching Junior Python Programmer jobs in California look for? The top searched job categories for Junior Python Programmer jobs in California are:
What cities in California are hiring for Junior Python Programmer jobs? Cities in California with the most Junior Python Programmer job openings:
Junior Python Programmer jobs near you
Infographic showing various Junior Python Programmer job openings in California as of July 2026, with employment types broken down into 89% Full Time, 7% Part Time, 2% Temporary, and 2% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $55,334 per year, or $26.6 per hour.
Lead SDET Engineer / Python / Lunix /PyTest / C Embedded / Onsite / Irvine

Lead SDET Engineer / Python / Lunix /PyTest / C Embedded / Onsite / Irvine

Motion Recruitment

Irvine, CA • On-site

Other

Medical, Dental, Retirement, PTO

Posted 10 days ago

Job description

Our client in the EV/AV space is urgently looking for a Lead SDET Engineer with strong experience Python, Linux, API, PyTest, C, to add to thier growing team here in Irvine.
This is an Onsite position 5 days a week. 
The ideal candidate has a strong software-engineering background in Python, distributed and service-oriented systems, and test automation, plus hands-on experience automating laboratory hardware. They are comfortable owning test infrastructure end to end, contributing to architecture and design discussions, triaging failures across the full stack, and improving engineering quality, release velocity, and certification readiness.
Responsibilities:
  • Design, develop, and maintain the Python test-automation platform that gates every firmware release
  • Grow automated regression coverage for EV charging flows and build HIL/SIL simulation
  • Build and own CI/CD pipelines that make automated regression a reliable merge and release gate, with reporting and telemetry that surface pass/fail and root cause
  • Triage and reproduce failures across the full stack (test framework, adapters, sequencing, and charger firmware) and drive defects to closure
  • Partner with firmware and systems engineers to improve testability and support OCPP certification
  • Participate in design and code reviews and release-readiness activities, and maintain technical documentation for the platform and interfaces
  • Mentor junior engineers and provide technical guidance as needed
Must Have Skills 
  • Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related field
  • 5+ years of experience in software test automation / SDET or software engineering roles
  • Strong Python (frameworks, services, async automation)
  • Experience building test-automation frameworks and writing maintainable test code
  • Solid experience testing REST and WebSocket APIs and asynchronous, service-oriented systems
  • Experience with distributed systems, Docker, CI/CD, SQL / relational databases, and Linux
  • Strong analytical, debugging, and log-analysis skills across distributed components, with methodical defect isolation
  • Effective communication and ability to work across teams
Nice to Have Skills
  • Experience with EV charging protocols (OCPP 1.6J / 2.0.1, ISO 15118 / DIN SPEC 70121), smart charging, and security profiles
  • Hardware-in-the-loop testing and laboratory instrumentation and CAN bus
  • Embedded C programing exposure
  • Experience supporting products through validation, release, and manufacturing
  • Experience mentoring junior engineers or leading technical workstreams
Compentencies
  • Strong technical ownership of test infrastructure
  • Structured debugging and root cause analysis across distributed systems
  • Cross-functional collaboration
  • Attention to quality, reliability, and automation
  • Strong written and verbal communication
  • Ability to mentor and support other team members
The Offer:
  • 170-190k base salary
  • 5-8% bonus
  • 401k
  • full benefits - Health , medical , dental
  • 2 weeks off over christmas and new years Paid
  • 10 PTO

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