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Junior Software Engineer Jobs in California (NOW HIRING)

Prosum Inc.

Junior Software Engineer

Temecula, CA · On-site

$115K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

Junior Software Engineer Cryptography, Systems & Secure Infrastructure Role Type: Junior Software Engineer (Hands-On Growth Role) Core Technologies: C/C++, Python, Linux, Containers, Security ...

PTC

Junior Software Engineer

San Mateo, CA · On-site

$85K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Junior Software Engineer Hybrid-San Mateo, CA. About Arena Arena, a PTC business, helps high-tech manufacturers and medical device companies build products that change the world. Our cloud-based PLM ...

Cesna Group

Junior Software Engineer

San Diego, CA · On-site

$50K - $100K/yr

We are seeking a Junior Software Engineer to join our Ez-X medical X-ray system development team. This role involves close collaboration with Vision, Control, Mechanical, and X-Ray hardware teams to ...

The Climate Registry

Jr. Software Developer

Los Angeles, CA

$72K - $93K/yr

  • Medical

  • Dental

  • Retirement

The Junior Software Developer is part of the software development and Registry Services team that oversees TCR's GHG reporting and verification programs using the Climate Registry Information System ...

FLIGHTSTORY

Junior Software Engineer

Los Angeles, CA

$95K/yr

JUNIOR SOFTWARE ENGINEER COMPANY : STEVEN.COM REPORTING TO : VP of ENGINEERING LOCATION: LOS ANGELES SALARY: UP TO $95K ABOUT STEVEN.COM Steven.com is building the operating system for the creator ...

The Climate Registry

Jr. Software Developer

Los Angeles, CA · On-site

$72K - $93K/yr

  • Medical

  • Dental

  • Retirement

The Junior Software Developer is part of the software development and Registry Services team that oversees TCR's GHG reporting and verification programs using the Climate Registry Information System ...

The Climate Registry

Jr. Software Developer

Los Angeles, CA · On-site

$72K - $93K/yr

  • Medical

  • Dental

  • Retirement

The Junior Software Developer is part of the software development and Registry Services team that oversees TCR's GHG reporting and verification programs using the Climate Registry Information System ...

FlightStory

Junior Software Engineer

Los Angeles, CA · On-site

$95K/yr

JUNIOR SOFTWARE ENGINEER COMPANY : STEVEN.COM REPORTING TO : VP of ENGINEERING LOCATION: LOS ANGELES SALARY: UP TO $95K ABOUT STEVEN.COM Steven.com is building the operating system for the creator ...

CPMC LLC

Jr. Software Engineer (SECRET)

San Diego, CA · On-site

... Jr. - Mid Level Clearance: Active Security Clearance (Secret or higher) is preferred Overview: CPMC, LLC is seeking creative and skilled Software Engineer to join our team for an government contract ...

Mechanize

Junior Software Engineer

San Bruno, CA

  • Medical

  • Dental

  • Vision

  • Life

Each task is a self-contained software engineering challenge with a prompt, an environment, and an automated grader. You own the full lifecycle: coming up with the idea, implementing the grading ...

Mechanize

Junior Software Engineer

San Rafael, CA

  • Medical

  • Dental

  • Vision

  • Life

Each task is a self-contained software engineering challenge with a prompt, an environment, and an automated grader. You own the full lifecycle: coming up with the idea, implementing the grading ...

Mechanize

Junior Software Engineer

Pacifica, CA

$144.23/hr

  • Medical

  • Dental

  • Vision

  • Life

Each task is a self-contained software engineering challenge with a prompt, an environment, and an automated grader. You own the full lifecycle: coming up with the idea, implementing the grading ...

Mechanize

Junior Software Engineer

Oakland, CA

  • Medical

  • Dental

  • Vision

  • Life

Each task is a self-contained software engineering challenge with a prompt, an environment, and an automated grader. You own the full lifecycle: coming up with the idea, implementing the grading ...

Mechanize

Junior Software Engineer

Burlingame, CA

$144.23/hr

  • Medical

  • Dental

  • Vision

  • Life

Each task is a self-contained software engineering challenge with a prompt, an environment, and an automated grader. You own the full lifecycle: coming up with the idea, implementing the grading ...

Mechanize

Junior Software Engineer

Oakland, CA

$144.23/hr

  • Medical

  • Dental

  • Vision

  • Life

Each task is a self-contained software engineering challenge with a prompt, an environment, and an automated grader. You own the full lifecycle: coming up with the idea, implementing the grading ...

Finix

Senior Software Engineer

San Francisco, CA · On-site

$144K - $190K/yr

... junior software engineers • Proactively improve our architecture, frameworks, tooling, automation, and best practices Qualifications : Required : • 4+ years of experience building and designing ...

Mechanize

Junior Software Engineer

San Francisco, CA

$144.23/hr

  • Medical

  • Dental

  • Vision

  • Life

Each task is a self-contained software engineering challenge with a prompt, an environment, and an automated grader. You own the full lifecycle: coming up with the idea, implementing the grading ...

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Showing results 1-20

All JobsSoftware Engineer JobsJunior Software Engineer JobsJunior Software Engineer Jobs in California

Junior Software Engineer information

See California salary details

$45.9K

$93.3K

$140.1K

How much do junior software engineer jobs pay per year?

As of Aug 15, 2026, the average yearly pay for junior software engineer in California is $93,304.00, according to ZipRecruiter salary data. Most workers in this role earn between $72,000.00 and $94,200.00 per year, depending on experience, location, and employer.

What is a junior software engineer?

A junior software engineer works on a team with more senior engineers to help design and develop applications, write code, and otherwise maintain or update a business's database. As a junior software engineer, your duties and responsibilities may vary based on what company you work for. Overall, your job is to learn from senior engineers and developers on how to be a software engineer and in what ways you can develop and utilize the technologies of the business to do so. Many junior software engineers have a little bit of knowledge about a lot of technologies but also stay up-to-date on the most current technologies.

What are the key skills and qualifications needed to thrive as a junior software engineer, and why are they important?

To thrive as a Junior Software Engineer, you need a solid understanding of programming fundamentals, algorithms, and commonly used languages such as Java, Python, or JavaScript, typically backed by a degree in computer science or related field. Familiarity with version control systems like Git, basic knowledge of databases, and experience with development environments and frameworks are usually expected. Strong problem-solving skills, eagerness to learn, and effective teamwork and communication abilities help set you apart. These skills and qualities are crucial for contributing effectively to projects, adapting to evolving technologies, and collaborating within development teams.

How does a junior software engineer typically collaborate with other team members on projects?

Junior Software Engineers usually work closely with senior developers, QA testers, and product managers as part of a cross-functional team. Collaboration often involves participating in daily stand-up meetings, code reviews, and pair programming sessions. Juniors are encouraged to ask questions and seek feedback, which helps them learn best practices and improve their coding skills. Effective communication and a willingness to learn from more experienced colleagues are key to thriving in this collaborative environment.
More about Junior Software Engineer jobs

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

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

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

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

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

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What are popular job titles related to Junior Software Engineer jobs in CA?

For Junior Software Engineer jobs in CA, the most frequently searched job titles are:

Junior Software Engineer jobs near you
Infographic showing various Junior Software Engineer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $93,304 per year, or $44.9 per hour.

Junior Software Engineer

Xoriant Corporation

San Jose, CA • On-site

Other

Posted 3 days ago

New

Job description

Job Title: Junior Software Engineer

Location: San Jose, CA (Onsite)

Description

We''re looking for a junior software engineer who can help build production applications powered by agentic AI. You''ll work primarily in Python, designing and integrating APIs and shipping features that incorporate LLM capabilities into real software systems.

Requirements

• BS in Computer Science, Software Engineering, or related field — or equivalent practical experience

• 0 – 2 years of software engineering experience; internships, co-ops, and substantial personal/open-source projects count

• Solid Python fundamentals: writing clean, testable code, working with common tooling (git, virtual environments, debugging), and reading others'' code

• Experience building or integrating with REST APIs, e.g., experience in designing endpoints (FastAPI, Flask, Django), consuming third-party APIs, handling authentication, pagination, and/or error cases

• Basic software engineering hygiene: version control, code review, writing tests, and working in a team workflow

• Familiarity with agentic AI concepts — tool/function calling, prompt chaining, or agent loops — demonstrated through coursework, hackathons, personal projects, or work experience. Exposure to frameworks like LangGraph, LangChain, or similar is a strong plus

• Some hands-on experience calling LLM APIs (OpenAI, Anthropic, or open-source models) as part of a larger application Bonus

• Exposure to databases (SQL or NoSQL), caching, or message queues

• Experience with async/concurrent programming in Python

• Familiarity with RAG concepts: embeddings, vector databases, retrieval pipelines

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