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Junior Full Stack Jobs in California (NOW HIRING)

Prosum Inc.

Junior Full Stack Engineer

Santa Monica, CA · On-site

$70K - $95K/yr

Junior Full Stack Engineer Salary Range: $70,000-$95,000 About the Role We are seeking a Junior Full Stack Engineer to join a growing technology organization and help build modern, AI-powered ...

Fuser

Jr. Full Stack Engineer

Los Angeles, CA · On-site

$70 - $90/hr

You'll join early as our Junior Full Stack Engineer, working alongside our team to help ship features, improve performance, and learn the systems that power an AI-native creative platform. This role ...

Chemify Ltd

Junior Full Stack Engineer

San Francisco, CA · On-site

$90 - $120/hr

The Role We are seeking a Junior Full Stack Software Engineer to join the team building the software behind Chemify's robotic synthesis platform. You will work across the stack on real features ...

New

Fuser

Jr. Full Stack Engineer

Los Angeles, CA · On-site

$70K - $90K/yr

You'll join early as our Junior Full Stack Engineer, working alongside our team to help ship features, improve performance, and learn the systems that power an AI-native creative platform. This role ...

Fuser

Jr. Full Stack Engineer

Los Angeles, CA · On-site

$70K - $90K/yr

You'll join early as our Junior Full Stack Engineer, working alongside our team to help ship features, improve performance, and learn the systems that power an AI-native creative platform. This role ...

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

They are seeking a motivated and detail-oriented Junior Full Stack Developer to join their team, focusing on both front-end and back-end development using modern web technologies. Responsibilities ...

VSolvit

JUNIOR FULL STACK DEVELOPER

Norco, CA · On-site

$25 - $41/hr

Job Summary We are seeking a motivated and detail-oriented Junior Full Stack Developer to join our growing team. This role is ideal for recent graduates or professionals with 1-2 years of software ...

EvidaraIQ

Senior Full-Stack Engineer

San Francisco, CA · On-site

$120 - $160/hr

Mentor junior engineers and contribute to team knowledge sharing Requirements * Bachelor's degree in Computer Science or related field (or equivalent experience) * 5+ years of full-stack development ...

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All JobsFull Stack JobsJunior Full Stack JobsJunior Full Stack Jobs in California

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 20, 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.

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.

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 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 92% Full Time, 3% Part Time, 4% Contract, and 1% Nights. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $87,810 per year, or $42.2 per hour.

Junior Full Stack Engineer

Prosum Inc.

Santa Monica, CA • On-site

$70K - $95K/yr

Other

Posted 6 days ago

Job description

Job Description
Junior Full Stack Engineer
Salary Range: $70,000-$95,000
About the Role
We are seeking a Junior Full Stack Engineer to join a growing technology organization and help build modern, AI-powered applications. This role is designed for an early-career engineer who has strong technical fundamentals, is eager to learn, and is excited about developing across both frontend and backend technologies.
The Junior Full Stack Engineer will work on well-defined feature tickets, contribute to production applications, and develop their technical skills through hands-on delivery, code reviews, pairing, and mentorship from experienced engineers. This is an opportunity to grow within a collaborative engineering environment that values quality, curiosity, and continuous improvement.
Key ResponsibilitiesFeature Development
  • Implement well-scoped features across the frontend and backend stack.
  • Build user interface components using React.js and TypeScript, following established design systems and component library conventions.
  • Develop backend functionality and REST API endpoints using Python/FastAPI, with guidance from senior engineers.
  • Connect frontend and backend services and develop an understanding of application architecture and data flow.
  • Follow established coding patterns, style guides, development standards, and best practices.
Quality & Learning
  • Write unit tests and develop familiarity with integration testing practices.
  • Participate in code reviews, both receiving feedback on your work and gradually reviewing contributions from other team members.
  • Ask questions early, communicate blockers, and collaborate effectively with engineering leadership and technical leads.
  • Participate in Agile ceremonies, including standups, sprint planning, retrospectives, and demos.
  • Leverage modern AI-assisted development tools to improve productivity and learn engineering patterns and best practices.
Growth & Contribution
  • Take ownership of your professional development in partnership with your manager.
  • Participate in technical learning opportunities, architecture discussions, code pairing, and knowledge-sharing sessions.
  • Contribute ideas for improving engineering tools, documentation, development processes, and team practices.
  • Develop familiarity with AI-powered applications and common LLM integration patterns.
Required Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent experience through a coding bootcamp, self-directed learning, or demonstrated personal projects.
  • 0-3 years of professional or internship software engineering experience.
  • Working knowledge of Python and/or JavaScript/TypeScript, with the ability to read and contribute to code in both languages.
  • Basic familiarity with React.js, including components, props, and state.
  • Understanding of REST APIs, including how to consume APIs and basic principles of API design.
  • Experience with Git, including branching, committing, creating pull requests, and resolving merge conflicts.
  • Ability to write basic SQL queries and understand relational database concepts.
  • Strong curiosity, willingness to learn, and ability to receive and apply constructive feedback.
Preferred Qualifications
  • Academic or personal project experience with FastAPI, Flask, or Django.
  • Experience building frontend applications with React.js, including coursework, hackathons, or personal projects.
  • Exposure to a cloud platform such as AWS, Azure, or GCP through coursework or personal projects.
  • Familiarity with AI/ML concepts or experience integrating an LLM API into a project.
  • Experience working in an Agile development environment through coursework, internships, or extracurricular projects.
Work Environment & Requirements
  • Hybrid work environment with structured in-office days to support onboarding, collaboration, and team engagement.
  • Ability to work at a computer workstation for extended periods.
  • Ability to use a keyboard, mouse, and other standard computer equipment.
  • Availability during standard business hours, with flexibility for team ceremonies and occasional production support as needed.

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