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Junior Python Engineer Jobs in California (NOW HIRING)

JKI

Junior Engineer

Walnut Creek, CA · On-site

$80 - $100/hr

Responsibilities As a Junior Engineer at JKI, you will: * Visit and talk directly with customers ... Implement and validate API designs (primarily in LabVIEW and also in Python) to meet functional ...

Saransh Inc

Junior Gen AI Engineer

Santa Clara, CA · On-site

Role: Junior GenAI Engineer Location: Santa Clara, CA (Onsite from Day 1) Job Type: Contract ... Demonstrate advanced programming expertise, particularly in Python, with deep proficiency in AI ...

Zof AI

Junior Software Engineer

San Francisco, CA · On-site

$100 - $125/hr

Engineering · Junior / Level 2 · Full-time · On-site · San Francisco, CA Responsibilities ... Experience with TypeScript, React, Next.js, Node.js, Python, Prisma, Postgres, or similar ...

Vebu, Inc.

Junior Mechatronics Engineer

Gardena, CA · On-site

$80 - $100/hr

The Junior Mechatronics Engineer will focus on the design, engineering, prototype building, testing ... Comfort with basic scripting using C++ and Python. * Familiarity with networking protocols such as ...

United Airlines

Junior AI Engineer

San Francisco, CA · On-site

SFO Bay Area We are looking for a motivated Junior AI Engineer to support the development and ... Build Python-based applications, APIs, and AI integration components. * Work with LLMs, prompt ...

FlightStory

Junior Software Engineer

Los Angeles, CA · On-site

$95K/yr

JUNIOR SOFTWARE ENGINEER COMPANY : STEVEN.COM REPORTING TO : VP of ENGINEERING LOCATION: LOS ... TypeScript, React, Node.js, Python, JavaScript * Familiar with databases (SQL and NoSQL) and API ...

Prosum Inc.

Junior Full Stack Engineer

Santa Monica, CA · On-site

$70K - $95K/yr

Junior Full Stack Engineer Salary Range: $70,000-$95,000 About the Role We are seeking a Junior ... Develop backend functionality and REST API endpoints using Python/FastAPI , with guidance from ...

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All JobsPython Engineer JobsJunior Python Engineer JobsJunior Python Engineer Jobs in California

Junior Python Engineer information

See California salary details

$33.1K

$70.9K

$108.1K

How much do junior python engineer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for junior python engineer in California is $70,859.00, according to ZipRecruiter salary data. Most workers in this role earn between $47,900.00 and $79,000.00 per year, depending on experience, location, and employer.

What is a junior Python engineer?

Junior Python Engineers are entry-level software developers who specialize in using the Python programming language to build, test, and maintain software applications. They typically work under the guidance of more experienced developers, contributing to coding, debugging, and documentation tasks. Junior Python Engineers may also assist in writing scripts, automating processes, and learning best practices in software development as they gain experience. This role is ideal for recent graduates or those with limited professional experience in programming.

What are the key skills and qualifications needed to thrive as a junior Python engineer?

To thrive as a Junior Python Engineer, you need a solid understanding of Python programming, basic software development principles, and a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and common Python libraries such as Flask or Django is typically expected. Strong problem-solving skills, willingness to learn, and effective communication make a candidate stand out in collaborative development teams. These skills are vital for producing reliable code, integrating smoothly into team workflows, and growing quickly in a technical environment.

What are some typical projects or tasks a junior Python engineer might work on in their first year?

As a Junior Python Engineer, you can expect to work on a range of foundational tasks such as writing and debugging code, developing scripts for automation, assisting in the maintenance of existing applications, and supporting the implementation of new features under the guidance of senior engineers. You may also participate in code reviews, collaborate with cross-functional teams like QA or DevOps, and handle data manipulation or API integrations. This hands-on experience helps you build confidence and deepen your understanding of industry-standard development practices.

What is the difference between Junior Python Engineer vs Junior Data Analyst?

AspectJunior Python EngineerJunior Data Analyst
Required SkillsPython programming, basic data structures, scriptingData visualization, SQL, Excel, basic statistics
CertificationsPython certifications, coding bootcampsData analysis certifications, Excel courses
Work EnvironmentSoftware development teams, tech companiesBusiness intelligence teams, finance, marketing
Industry UsageSoftware, tech, startupsFinance, marketing, consulting

The main difference between a Junior Python Engineer and a Junior Data Analyst lies in their focus areas. Junior Python Engineers primarily develop and maintain software using Python, while Junior Data Analysts analyze data to generate insights. Both roles require some overlapping skills like basic programming, but their tools and end goals differ significantly.

What are the most commonly searched types of Python Engineer jobs in California?

The most popular types of Python Engineer jobs in California are:

What are popular job titles related to Junior Python Engineer jobs in California?

For Junior Python Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Junior Python Engineer jobs in California look for?

The top searched job categories for Junior Python Engineer jobs in California are:

Junior Python Engineer jobs near you
Infographic showing various Junior Python Engineer job openings in California as of August 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $70,859 per year, or $34.1 per hour.

Junior Engineer

San Diego, CA • On-site

Engineering Services Network, Inc
51 - 200 employees
Learn more about Engineering Services Network, Incexternal

Full-time

Re-posted 11 days ago

Job description

Job Title
Junior Engineer
Location
San Diego, CA - CA US (Primary)
Job Description
Founded in 1995, ESN is a Small Disadvantaged Business (SDB), Service-Disabled Veteran-Owned Small Business (SDVOSB) and Veteran Owned Small Business (VOSB). ESN delivers trusted solutions that support our nation's defense. For more than two decades, we have been providing our military and government customers with mission-critical services including engineering and technical support, strategic and program management, testing and evaluation, operations, support, and information technology. We are committed to proven, repeatable corporate quality management processes and are certified CMMI Maturity Level III - Development/Services & ISO 9001:2015.
We are seeking a Junior Engineer.
Located on-site at Naval Station San Diego, CA.
Employee shall provide support to programs including Gun Weapon System (GWS), Littoral Combat Ship (LCS) Sea Frame, LCS Mission Module (MM), LCS Trainers, Tomahawk, Unites States Coast Guard (USCG), USCG Aegis Athena program, Harpoon program, Guided-Missile Frigate (FFG) program, USS Zumwalt (DDG-1000)-Guided Missile Destroyer program, Multi-Mission Surface Combatant (MMSC) program, and Over-The-Horizon (OTH) Weapon System program, Aegis Weapon System (AWS) program, Ship Self Defense System (SSDS) program, Ballistic Missile Defense (BMD) program, Carrier program, Amphibious program, Destroyer program, Cruiser program, Frigate program, Integrated Combat System program, Unmanned program, and other programs as required.
Responsibilities:
  • Provide supportability analysis, planning, execution through life cycle. Provide acquisition design review support with sustainment focus.
  • Support system Reliability, Availability, Maintainability, Cost (RAM-C) data collection, analysis, and reporting. Develop and update Readiness Growth Candidates (RGC).
  • Identify and develop failure mode and root cause for systemic issues and conduct analysis to support reliability and maintainability improvements. Apply Machine Learning to reduce labor intensive tasks and other applicable areas.
  • Support development of Reliability Block Diagrams, Part to Block Diagrams, Fault Tree Analysis, Failure Modes Effectiveness and Corrective Action (FMECA), Level of Repair Analysis (LORA), and Sparing analysis. Review and assess the system design parameters and provide design, maintenance, or logistics solutions.
  • For supportability issues, review and evaluate the ship/system concept of operations, designs and technologies, review system data deliverables and provide comments using established reporting procedures.
  • Support system reporting milestones through weekly and monthly periodic readiness and fleet operational requirements reporting.
  • Analyze RAM-C data and develop trade off analysis and supporting decision to determine Course of Action for identified issues.
  • Coordinate with maintenance personnel, ship riders, Original Equipment Manufacturers (OEMs), In Service Engineering Agents (ISEA), program office sponsors, and Subject Matter Experts (SME) to document and update any RAM-C issues that arise during the life cycle.
  • Participate in program and technical reviews to support issue identification, analysis, and reporting. Utilize Navy identified systems and tools (i.e., JIRA, Advana Jupiter, Tableau, Python, OPUS, SIMLOX, Block SIM, R, and others) to document issues, gain efficiencies, perform analysis, and develop technical reports.
  • Support the development of key measures to determine system readiness including but not limited to: Mean Time Between Failure (MTBF), Mean Time to Repair (MTTR), and Mean Logistics Delay Time (MLDT) to generate the Operational Availability (Ao) or Material Availability (Am) or other specific measures traceable to program requirements.
  • Provide weekly highlights of efforts accomplished and being worked.

Qualifications:
  • Bachelor of Science (B.S.) degree in Engineering, demonstrating a strong foundation in analytical thinking, scientific methodology, and problem-solving skills applicable to technical and research-based environments.

Security Clearance:
Must hold an active Department of Defense (DoD) SECRET clearance.
Job Requirements
Clearance Requirement

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