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Junior Full Stack Jobs in California (NOW HIRING)

Mill

Senior Full Stack Engineer

San Bruno, CA

$185K - $210K/yr

Mentor junior engineers, fostering a culture of continuous learning and improvement. * Conduct code ... on full-stack development * Deep experience with modern frontend frameworks (e.g. React, Vue ...

Mill

Senior Full Stack Engineer

San Bruno, CA · On-site

$185K - $210K/yr

Mentor junior engineers, fostering a culture of continuous learning and improvement. * Conduct code ... on full-stack development * Deep experience with modern frontend frameworks (e.g. React, Vue ...

Mill

Senior Full Stack Engineer

San Bruno, CA · On-site

Mentor junior engineers, fostering a culture of continuous learning and improvement. * Conduct code ... on full-stack development * Deep experience with modern frontend frameworks (e.g. React, Vue ...

Mill

Senior Full Stack Engineer

San Bruno, CA

Mentor junior engineers, fostering a culture of continuous learning and improvement. * Conduct code ... on full-stack development * Deep experience with modern frontend frameworks (e.g. React, Vue ...

Gumloop

Full Stack Software Engineer

San Francisco, CA · On-site

$185K - $250K/yr

Review PRs, share context, and mentor junior engineers to raise the bar across the team What You Bring * 2-5 years of professional experience building products as a full stack developer

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Junior Full Stack information

See California salary details

$23.7K

$87.8K

$135.7K

How much do junior full stack jobs pay per year?

As of Aug 8, 2026, the average yearly pay for junior full stack in California is $87,810.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,100.00 and $85,900.00 per year, depending on experience, location, and employer.

How do junior full stack developers typically balance learning new technologies with meeting project deadlines?

As a Junior Full Stack Developer, you’ll often juggle learning new frameworks or languages while contributing to active projects. Many teams support this by pairing juniors with more experienced developers, offering code reviews, and allocating time for professional development within sprint cycles. While deadlines are important, managers usually recognize the learning curve and provide guidance to help you prioritize tasks and grow your skills without being overwhelmed. Open communication with your team about your progress and challenges is key to maintaining this balance.

What is the difference between Junior Full Stack vs Junior Front End Developer?

AspectJunior Full StackJunior Front End Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge (Node.js, Python), database basicsHTML, CSS, JavaScript, frameworks like React or Angular, UI/UX design
Work EnvironmentBoth roles often work in collaborative teams within tech companies, startups, or agencies
Common UsageVersatile role involving both client-side and server-side developmentSpecialized role focusing on user interface and experience

Junior Full Stack developers have a broader skill set covering both front-end and back-end development, while Junior Front End Developers focus primarily on the user interface and client-side technologies. The choice depends on your interest in full project development versus specializing in UI/UX design.

What is a junior full stack developer?

A Junior Full Stack Developer is an entry-level software professional who works on both the front-end and back-end parts of web applications. They are skilled in basic programming languages and frameworks needed for creating user interfaces as well as handling server-side logic and databases. Typically, juniors work under the guidance of more experienced developers, assisting with coding, debugging, and testing tasks while gradually building their expertise. Their role often involves learning and adapting to new technologies as they gain experience in the field.

What are the key skills and qualifications needed to thrive as a junior full stack developer?

To thrive as a Junior Full Stack Developer, you need a solid understanding of both front-end (HTML, CSS, JavaScript) and back-end (Node.js, Python, Java, or similar) programming, typically supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems like Git, databases (SQL/NoSQL), and frameworks such as React or Express is commonly expected. Strong problem-solving abilities, teamwork, and effective communication are standout soft skills in this role. These skills and qualities ensure you can contribute effectively to diverse projects, adapt to evolving technologies, and collaborate within development teams.
What are the most commonly searched types of Full Stack jobs in California? The most popular types of Full Stack jobs in California are:
What are popular job titles related to Junior Full Stack jobs in California? For Junior Full Stack jobs in California, the most frequently searched job titles are:
What job categories do people searching Junior Full Stack jobs in California look for? The top searched job categories for Junior Full Stack jobs in California are:
What cities in California are hiring for Junior Full Stack jobs? Cities in California with the most Junior Full Stack job openings:
Junior Full Stack jobs near you
Infographic showing various Junior Full Stack job openings in California as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution, with an average salary of $87,810 per year, or $42.2 per hour.

Senior Full Stack Software Engineer

Prophecy Technologies

Rosemead, CA • On-site

Full-time

Posted 9 days ago

Job description

Role Overview:
Seeking four Senior Full Stack Software Engineers to design, build, and scale cloud-native applications. These applications will support Operational Excellence (OE) initiatives, including design automation, validation, and permit automation, as well as AI Solutions such as Obi (new joiner onboarding concierge) and NOVA (AI-powered workflow orchestration).
Key Responsibilities:
  • Develop modern web applications, APIs, and enterprise integrations.
  • Design and build cloud-native solutions on Azure and/or GCP, with one role specifically requiring full stack and AI experience in GCP, and the other three in full stack and Azure AI ecosystem.
  • Implement scalable microservices and event-driven architectures.
  • Support CI/CD, DevOps, and application security best practices.
  • Integrate AI/LLM capabilities into business workflows.
  • Collaborate with architects, product owners, and business stakeholders.
  • Mentor junior engineers and contribute to technical standards.

Required Skills:
  • Strong experience with Next.js, Typescript, and Python.
  • Proficiency in PostgreSQL, Drizzle and/or SQLAlchemy ORM.
  • Experience with REST APIs and microservices.
  • Familiarity with SQL/NoSQL databases.
  • Hands-on experience with Azure and/or GCP cloud services.
  • Proficiency in Git, CI/CD, and DevOps practices.
  • Experience using AI in SDLC, implementing RAG, and evaluating LLM.
  • Strong problem-solving, communication, and collaboration skills.

Qualifications:
  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • 8+ years of full-stack software development experience.

Preferred Skills:
  • Experience building AI-enabled applications.
  • Knowledge of Azure OpenAI, Vertex AI, RAG, and Generative AI solutions.
  • Experience with enterprise workflow automation and integrations.
  • Familiarity with utility, engineering, construction, or permitting systems.

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