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Junior Software Engineer Jobs in California (NOW HIRING)

Prosum Inc.

Junior Software Engineer

Temecula, CA · On-site

$115K - $120K/yr

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

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 · On-site

$72K - $93K/yr

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

The Climate Registry

Jr. Software Developer

Los Angeles, CA

$72K - $93K/yr

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

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 ...

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 ...

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 ...

odoo

Junior Software Engineer

Brisbane, CA · On-site

$85K - $105K/yr

About the Job Hybrid (4 days onsite, 1 day remote) - Brisbane, CA As a software engineer at Odoo, you will deliver technical solutions and support to help drive success for our SMB customers across ...

VSolvit

JUNIOR SOFTWARE DEVELOPER (C++)

Norco, CA · On-site

$36 - $48/hr

POSITION IS 100% ONSITE DAILY IN NORCO, CA Job Summary VSolvit is seeking a motivated and enthusiastic Junior Software Developer (C++) to join our team supporting the development and maintenance of ...

Finix

Senior Software Engineer

San Francisco, CA · On-site

$150K - $220K/yr

Become an expert in your payments domain and mentor junior software engineers * Proactively improve our architecture, frameworks, tooling, automation, and best practices You are * Experienced in ...

Finix

Senior Software Engineer

San Francisco, CA · On-site

$150K - $220K/yr

Become an expert in your payments domain and mentor junior software engineers * Proactively improve our architecture, frameworks, tooling, automation, and best practices You are * Experienced in ...

Finix

Senior Software Engineer

San Francisco, CA

$150K - $220K/yr

Become an expert in your payments domain and mentor junior software engineers * Proactively improve our architecture, frameworks, tooling, automation, and best practices You are * Experienced in ...

Jobsbridge

Jr. SOFTWARE ENGINEER/Big Data

San Jose, CA · On-site

Mentor and coach junior engineers on various design and development aspects of big data platform. Prototype ideas quickly using cutting edge technologies Qualifications and Requirements Bachelors or ...

Primis

Software Engineer (San Francisco)

San Francisco, CA · On-site

$150K - $250K/yr

... Jr. Software Development Engineer - Sunnyvale, CA We're unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr

Robert Half

Software Engineer III

San Ramon, CA · On-site

Who We Are Are you a proven software engineer ready to lead complex technical initiatives and ... You will mentor junior engineers, set technical standards, and collaborate closely with product ...

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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 3, 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.

What are Junior Software Engineers?

Junior Software Engineers are entry-level professionals who assist in designing, developing, testing, and maintaining software applications. They typically work under the guidance of more experienced engineers and are responsible for writing code, fixing bugs, and participating in code reviews. Junior Software Engineers often collaborate with team members to learn best practices, improve their technical skills, and contribute to software projects. This role is ideal for recent graduates or those new to the software development field.
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? The top searched job categories for Junior Software Engineer jobs in California are:
What cities in California are hiring for Junior Software Engineer jobs? Cities in California with the most Junior Software Engineer job openings:
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 July 2026, with employment types broken down into 93% Full Time, 4% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $93,304 per year, or $44.9 per hour.

Junior Software Engineer

Prosum Inc.

Temecula, CA • On-site

$115K - $120K/yr

Other

Medical, Dental, Vision, Retirement

Posted 28 days ago

Job description

Job Description
Junior Software Engineer
Cryptography, Systems & Secure Infrastructure
Role Type: Junior Software Engineer (Hands-On Growth Role)
Core Technologies: C/C++, Python, Linux, Containers, Security
Experience Level: 2+ years of professional experience with strength in at least one core technical area
About the Opportunity
Our client is an innovative technology company developing advanced cybersecurity and secure communications solutions for high-assurance environments. Their engineering team builds software and infrastructure focused on secure systems, modern cryptography, cloud platforms, and next-generation security technologies. This is an opportunity to work alongside experienced engineers on products designed to address today's cybersecurity challenges while preparing for emerging threats.
Position Overview
We are seeking an early-career Software Engineer with strong programming fundamentals and an interest in developing secure, reliable software. This role is ideal for someone with approximately two or more years of professional experience and exposure to one or more of the following areas:
  • C/C++ systems development
  • Cryptography or cybersecurity
  • Containerized development environments
  • Python-based automation, testing, or developer tooling
Candidates are not expected to have expertise across all of these areas. We are looking for engineers who are curious, practical, eager to learn, and excited to grow within a collaborative engineering environment.
Key Responsibilities
  • Contribute to the development, testing, and maintenance of security-focused software products.
  • Design, write, debug, and enhance software using C/C++, Python, or other systems-level languages.
  • Develop automated tests, developer tools, and workflows that improve software quality and engineering efficiency.
  • Support containerized development environments using technologies such as Docker and Kubernetes.
  • Investigate software defects, performance issues, and system behavior in Linux/POSIX environments.
  • Participate in code reviews and follow secure coding, memory safety, and concurrency best practices.
  • Collaborate with cross-functional engineering teams throughout the software development lifecycle.
Required Qualifications
  • 2+ years of professional software engineering experience.
  • Strong programming skills in C, C++, Python, Rust, Go, or another systems/backend programming language.
  • Experience in at least one of the following:
    • C/C++ or systems-level software development
    • Cryptography, cybersecurity, or security-focused software
    • Docker, Kubernetes, or containerized development
    • Python-based testing, automation, or developer tooling
  • Familiarity with Linux or other POSIX-based operating systems.
  • Experience using Git and debugging software applications.
  • Interest in secure software development, cryptography, cloud infrastructure, or systems engineering.
Preferred Qualifications
  • Academic or professional experience in cryptography, cybersecurity, networking, or distributed systems.
  • Familiarity with encryption concepts, secure communications, TLS, IPsec, or key management.
  • Exposure to memory safety, concurrency, debugging tools, compiler technologies, or performance optimization.
  • Experience with Docker, Kubernetes, CI/CD pipelines, cloud platforms, vulnerability scanning, SBOMs, or container security.
  • Contributions to open-source software, security tools, systems software, or technical research projects.
Education
Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or a related technical discipline.
Compensation & Benefits
  • Competitive base salary in the range of $115,000-$120,000 USD, depending on experience and qualifications.
  • Comprehensive medical, dental, and vision insurance.
  • 401(k) with employer matching.
  • Competitive benefits package and opportunities for professional growth.

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