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Entry Level Full Stack Software Engineer Jobs in California

Zyphra

Full-Stack Software Engineer

San Francisco, CA · On-site

As a Full-Stack Software Engineer , you will be a core contributor to Zyphra's Agentic Systems and Interaction projects. You will be at the forefront of building a next-generation desktop and browser ...

Viasat, Inc.

Full-Stack Software Engineer

Carlsbad, CA · On-site

$145K - $218K/yr

What you'll do Join Viasat Government - Secure Network Systems (SNS) as a full-stack software engineer in the developing networking and cyber security products for diverse customer based. You will ...

Viasat, Inc.

Full-Stack Software Engineer

Carlsbad, CA · On-site

$145K - $218K/yr

What you'll do Join Viasat Government - Secure Network Systems (SNS) as a full-stack software engineer in the developing networking and cyber security products for diverse customer based. You will ...

Viasat, Inc.

Full-Stack Software Engineer

Carlsbad, CA

$145K - $218K/yr

What you'll do Join Viasat Government - Secure Network Systems (SNS) as a full-stack software engineer in the developing networking and cyber security products for diverse customer based. You will ...

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Entry Level Full Stack Software Engineer information

See California salary details

$42.5K

$142.5K

$197.1K

How much do entry level full stack software engineer jobs pay per year?

As of Jul 8, 2026, the average yearly pay for entry level full stack software engineer in California is $142,522.00, according to ZipRecruiter salary data. Most workers in this role earn between $121,400.00 and $164,900.00 per year, depending on experience, location, and employer.

What is an Entry Level Full Stack Software Engineer?

An Entry Level Full Stack Software Engineer is a developer who works on both the front-end (client side) and back-end (server side) of web applications, typically at the beginning of their career. They are usually familiar with basic programming languages such as JavaScript, HTML, CSS for the front end, and may use languages like Python, Java, or Node.js for the back end. These engineers often work under the guidance of more experienced team members, helping to build, test, and maintain software solutions. Their role provides broad exposure to multiple technologies, making it a strong foundation for a software engineering career.

What types of projects and technologies can an Entry Level Full Stack Software Engineer expect to work with during their first year?

As an Entry Level Full Stack Software Engineer, you'll likely work on a range of web application projects involving both front-end and back-end development. Common technologies include JavaScript frameworks like React or Angular for the front end, and Node.js, Python, or Java for the back end, along with databases such as MySQL or MongoDB. You'll collaborate closely with designers, senior developers, and QA engineers, often participating in agile sprints and code reviews. This exposure helps you quickly build practical skills and gain insight into the full development lifecycle, laying a strong foundation for career growth.

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

To excel as an Entry Level Full Stack Software Engineer, you need a solid grasp of programming languages (such as JavaScript, Python, or Java), web development frameworks, and a relevant degree or equivalent coding experience. Familiarity with tools like Git, databases (SQL/NoSQL), and cloud platforms such as AWS or Azure is commonly expected. Strong problem-solving skills, effective communication, and a willingness to learn new technologies set top performers apart. These abilities are crucial for building scalable applications, collaborating with diverse teams, and adapting to rapidly evolving technical requirements.

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

AspectEntry Level Full Stack Software EngineerJunior Web Developer
Required SkillsBasic knowledge of front-end and back-end technologies, programming languages like JavaScript, HTML, CSS, and some backend frameworksFundamental web development skills, HTML, CSS, basic JavaScript, and possibly some CMS experience
Work EnvironmentCollaborates on full project stacks, often in tech companies or startupsFocuses on website or front-end development, often in agencies or small teams
Typical EmployerTech companies, startups, software firmsWeb design agencies, small businesses, or internal IT teams

While both roles involve web development, an Entry Level Full Stack Software Engineer works on both front-end and back-end components of applications, requiring broader technical skills. A Junior Web Developer typically focuses on front-end tasks and website creation. The full stack role often demands understanding of multiple technologies, whereas the junior web developer role is more specialized in website design and basic coding.

What are the most commonly searched types of Full Stack Software Engineer jobs in California? The most popular types of Full Stack Software Engineer jobs in California are:
What cities in California are hiring for Entry Level Full Stack Software Engineer jobs? Cities in California with the most Entry Level Full Stack Software Engineer job openings:
Entry Level Full Stack Software Engineer jobs near you
Full Stack Software Engineer, Codex

Full Stack Software Engineer, Codex

OpenAI

San Francisco, CA • On-site

Full-time

Posted 24 days ago

Job description

Job Summary:
OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. They are seeking a Full Stack Software Engineer to help invent the next generation of AI-powered software development workflows, focusing on building end-to-end product experiences that enhance software engineering processes.
Responsibilities:
• Build end-to-end product experiences that span frontend applications, backend services, agent workflows, cloud infrastructure, and developer tooling.
• Design AI-powered workflows that generalize across a wide variety of software engineering teams, languages, codebases, and development practices.
• Discover and implement novel ways to apply AI to eliminate friction throughout the software development lifecycle.
• Partner closely with product, design, and research to understand developer needs and rapidly translate insights into shipped product improvements.
• Work directly with users — including developers at OpenAI, open-source contributors, startups, and large enterprises — to understand pain points and validate solutions.
• Improve the reliability, observability, scalability, and performance of the systems and workflows you build.
Qualifications:
Required:
• Strong software engineering fundamentals and experience building production systems.
• Experience with TypeScript, Rust, or a similar systems or application programming language.
• Deep familiarity with modern software development tools, workflows, and engineering practices.
• Experience using AI-assisted development tools and a strong intuition for their strengths, weaknesses, and emerging opportunities.
• A desire to own products and features end-to-end, from conception through launch and iteration.
• Strong product judgment and a bias toward learning from real user feedback.
• Creativity in reframing problems, challenging assumptions, and inventing new workflows rather than simply optimizing existing ones.
Company:
OpenAI is an AI research and deployment company that develops advanced AI models, including ChatGPT. It is a sub-organization of OpenAI Foundation. Founded in 2015, the company is headquartered in San Francisco, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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