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Entry Level Junior Software Engineer Jobs in California

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 ...

The Climate Registry

Jr. Software Developer

Los Angeles, CA · On-site

$72K - $93K/yr

... Required Qualifications * Entry-level to two years of experience working with web-based ... Junior Software Developer. Applications without a cover letter will not be considered. All complete ...

The Climate Registry

Jr. Software Developer

Los Angeles, CA · On-site

$72K - $93K/yr

... Required Qualifications * Entry-level to two years of experience working with web-based ... Junior Software Developer". Applications without a cover letter will not be considered. All ...

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 ...

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 ...

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

Amazon

Software Engineer, Safety

San Francisco, CA

About the Role We are looking for a Full Stack, Junior Software Engineer to join our Safety Products team, responsible for all the safety related features that our users can see and interact with, be ...

Amazon

Software Engineer, Safety

San Francisco, CA

About the Role We are looking for a Full Stack, Junior Software Engineer to join our Safety Products team, responsible for all the safety related features that our users can see and interact with, be ...

Bertrandt

Jr. ADAS Software Engineer

San Jose, CA · On-site

$135K - $145K/yr

Bertrandt US is seeking a Junior Software ADAS Engineer to support the deployment, maintenance, and bring-up of Advanced Driver Assistance Systems (ADAS) on prototype and test vehicles. This role is ...

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Entry Level Junior Software Engineer information

What is the difference between Entry Level Junior Software Engineer vs Software Developer?

AspectEntry Level Junior Software EngineerSoftware Developer
Required CredentialsBachelor's in CS or related field; some internshipsBachelor's in CS or related field; coding experience
Work EnvironmentTeam-based, collaborative projects, entry-level tasksProject-focused, coding, debugging, and implementation
Employer & Industry UsageTech companies, startups, IT departmentsSoftware firms, tech startups, enterprise IT
Common Search & ComparisonYesYes

Entry Level Junior Software Engineers and Software Developers often share similar educational backgrounds and work environments. The main difference lies in job focus: engineers may be involved in designing systems and architecture, while developers typically focus on coding and implementation. Both roles are common in tech industries and often overlap in entry-level positions, making them frequently compared by job seekers.

What are the key skills and qualifications needed to thrive as an Entry Level Junior Software Engineer, and why are they important?

To thrive as an Entry Level Junior Software Engineer, you need a solid understanding of programming fundamentals, algorithms, and data structures, typically supported by a degree in computer science or a related field. Familiarity with common programming languages (such as Java, Python, or JavaScript), version control systems like Git, and basic knowledge of software development tools is essential. Strong problem-solving skills, attention to detail, and effective communication set standout candidates apart. These skills and qualities are crucial for successful collaboration, writing reliable code, and contributing effectively to team-based software projects.

What are some common challenges faced by Entry Level Junior Software Engineers during their first year on the job?

Entry Level Junior Software Engineers often encounter the challenge of adapting to new codebases and development tools, which may differ significantly from what they've used in school or internships. They may also find it difficult to estimate task durations or understand complex requirements without prior experience. Frequent collaboration with senior engineers and participating in code reviews can help accelerate learning and build confidence. Over time, mastering effective communication and time management becomes essential for success in fast-paced development environments.

What does an Entry Level Junior Software Engineer do?

An Entry Level Junior Software Engineer is typically responsible for assisting with designing, coding, testing, and maintaining software applications under the supervision of more experienced engineers. They often work on fixing bugs, writing simple code modules, and learning about the company's software development processes. This role is a starting point for new graduates or individuals with limited professional experience, allowing them to build foundational skills and gain exposure to real-world software projects.
What are the most commonly searched types of Junior Software Engineer jobs in California? The most popular types of Junior Software Engineer jobs in California are:
What are popular job titles related to Entry Level Junior Software Engineer jobs in California? For Entry Level Junior Software Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Entry Level Junior Software Engineer jobs in California look for? The top searched job categories for Entry Level Junior Software Engineer jobs in California are:
What cities in California are hiring for Entry Level Junior Software Engineer jobs? Cities in California with the most Entry Level Junior Software Engineer job openings:
Entry Level Junior Software Engineer jobs near you
Infographic showing various Entry Level Junior Software Engineer job openings in California as of July 2026, with employment types broken down into 1% Locum Tenens, 92% Full Time, 4% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution.

Junior Software Engineer

Prosum Inc.

Temecula, CA • On-site

$115K - $120K/yr

Other

Medical, Dental, Vision, Retirement

Posted 27 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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