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Junior Full Stack Engineer Jobs in California (NOW HIRING)

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 ...

Velia multiservices

Full-Stack Engineer

Mountain View, CA · On-site

$160K - $225K/yr

... junior engineers and contributing to engineering culture Familiarity with AdTech/MarTech APIs such as Google Ads and Meta APIs Experience with payments infrastructure (e.g., Google/Apple Pay). Big ...

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 ...

Avenue Code, LLC

Sr. Full Stack Engineer

Oakland, CA · On-site

Full Stack Engineer Oakland, CA Hybrid Non-Negotiable Requirement: True Full-Stack Engineering ... Mentor junior developers and share technical knowledge - Participate in technical design ...

Nexusflow.ai, Inc.

Full-Stack Engineer

Palo Alto, CA · On-site

Full-Stack Engineer Nexusflow is currently adding Full-Stack Engineers to our team. Our full-stack engineers are responsible for packaging up our technology in models and last-mile quality toolings ...

KINETIQ

Full Stack Engineer

San Francisco, CA

$200K - $240K/yr

Base pay range $200,000.00/yr - $240,000.00/yr Full-Stack Software Engineer (San Francisco Bay Area, Onsite) About the Role We are looking for a highly driven Full-Stack Engineer to join our team and ...

Golfballs.com

Full Stack Engineer

Los Angeles, CA · On-site +1

AI Enhanced- Full Stack Engineer Build the Future of Golf E-Commerce About Golfballs.com Golfballs.com is the World Leader in Golf Customization. We customize and ship more than 300,000 personalized ...

Honest Search

Full Stack Engineer

San Francisco, CA

$150K - $250K/yr

Base pay range $150,000.00/yr - $250,000.00/yr Senior Full-Stack Software Engineer | AI Startup | San Francisco (Onsite) We're looking for a Senior Full-Stack Engineer (Individual Contributor) to ...

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

Junior Full Stack Engineer information

See California salary details

$45.9K

$93.3K

$140.1K

How much do junior full stack engineer jobs pay per year?

As of Jul 13, 2026, the average yearly pay for junior full stack 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 Full Stack Engineer?

A Junior Full Stack Engineer is an entry-level software developer who works on both the front-end and back-end of web applications. They are typically responsible for building, testing, and maintaining features across the entire technology stack, often under the supervision of more experienced engineers. Juniors work with languages and frameworks such as JavaScript, HTML, CSS, Node.js, and databases like SQL or MongoDB. While they may not have deep expertise yet, they are expected to learn quickly, collaborate with team members, and gradually take on more complex tasks.

How does a Junior Full Stack Engineer typically collaborate with other team members on a project?

As a Junior Full Stack Engineer, you’ll regularly work alongside front-end and back-end developers, designers, and product managers to deliver features and resolve issues. Collaboration often includes participating in daily stand-ups, code reviews, and sprint planning sessions. You’ll be expected to communicate progress and challenges clearly, seek guidance when needed, and contribute to shared code repositories using version control tools like Git. This collaborative environment helps you learn quickly and build strong relationships within a multidisciplinary team.

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

AspectJunior Full Stack EngineerJunior Front End Developer
Required SkillsProficiency in both front-end and back-end technologies (HTML, CSS, JavaScript, server-side languages, databases)Strong skills in HTML, CSS, JavaScript, and front-end frameworks (React, Angular, Vue)
Work EnvironmentWorks on both client-side and server-side development, often in full project cyclesFocuses primarily on user interface and user experience development
Common UsageUsed in startups and small to medium companies requiring versatile developersCommon in companies emphasizing UI/UX and front-end design

The main difference is that a Junior Full Stack Engineer handles both front-end and back-end tasks, while a Junior Front End Developer specializes in user interface development. The full stack role requires knowledge of server-side technologies, whereas the front-end role focuses on creating engaging user experiences.

What are the key skills and qualifications needed to thrive as a Junior Full Stack Engineer, and why are they important?

To thrive as a Junior Full Stack Engineer, you need a solid understanding of front-end and back-end development concepts, programming languages like JavaScript, HTML, CSS, and familiarity with frameworks such as React and Node.js, often supported by a bachelor's degree in computer science or related experience. Experience using version control systems like Git, basic database management (SQL/NoSQL), and cloud platforms is typically required. Strong problem-solving, teamwork, and communication skills help you collaborate effectively and adapt to fast-changing project needs. These abilities are essential for building reliable, scalable web applications and contributing meaningfully to development teams.
What are the most commonly searched types of Full Stack Engineer jobs in California? The most popular types of Full Stack Engineer jobs in California are:
What cities in California are hiring for Junior Full Stack Engineer jobs? Cities in California with the most Junior Full Stack Engineer job openings:
Junior Full Stack Engineer jobs near you
Infographic showing various Junior Full Stack Engineer job openings in California as of July 2026, with employment types broken down into 92% Full Time, 4% Part Time, 1% Temporary, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $93,304 per year, or $44.9 per hour.

Jr. Full Stack Engineer

Fuser

Los Angeles, CA • On-site

$70K - $90K/yr

Full-time

Medical, Dental, Vision, Retirement

Posted 13 days ago

Job description

Why You're Here
We've launched our public beta with a strong foundation-multiplayer infrastructure, a node-based canvas, and dozens of AI integrations-and we're growing fast.
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 is perfect for someone who's built projects end-to-end, loves learning new tools, and wants to grow into a senior engineering position on a product that merges art, design, and technology.
What You'll Do
  • Contribute to feature development across the stack
  • Implement UI components and user interactions in React + TypeScript
  • Support backend endpoints, data models, and APIs
  • Test, debug, and improve performance for real-time workflows
  • Learn from senior engineers while developing ownership over key areas

Must-Have Competencies
  • 1-3 years of experience (or equivalent personal projects) in full-stack or front-end development
  • Proficiency in React + TypeScript
  • Familiarity with Node, tRPC, or similar frameworks
  • Curiosity about distributed systems or creative/AI tools
  • Understanding of web fundamentals and component architecture
  • Eagerness to learn, iterate, and grow within a small, fast-moving team

Nice-to-Have Competencies
  • Experience with canvas or node-based tools (React Flow, Blender, WebGPU)
  • Familiarity with creative or AI-driven software
  • Contributions to open-source projects
  • Background or interest in art, design, music, or creative tech

Our Stack
Frontend: React 19, TypeScript, React Router v7, Zustand, TanStack Query, @xyflow/react, React Aria Components, Tailwind CSS, Framer Motion, React Three Fiber
Backend: tRPC, Hono, Cloudflare Workers, PostgreSQL (Supabase), Durable Objects, Drizzle ORM, Cloudflare D1, Better Auth, Stripe, AI SDK
Infrastructure: Cloudflare Workers, KV, D1, Hyperdrive, Cron Triggers, Turborepo, pnpm, Node.js 22+
Observability & Tooling: Vite, ESLint, Prettier, Husky, Zod, Sentry, PostHog
How We Work
  • Hybrid, flexible, async-friendly - based in LA with 2 in-office days each week.
  • Creative-first culture - we care about accessibility, design, and feel.
  • High trust, high standards - ownership early, autonomy always.
  • Small team, big impact - every commit shapes the future of the product.

Compensation & Benefits
  • $70K-$90K USD depending on experience (equity included)
  • Healthcare, dental, vision, and 401(k)
  • Flexible hours and focus on deep work
  • Generous equity and real product ownership
  • Mentorship and leadership growth as we scale

How We Interview
  1. Intro Call - Meet one or two of us to talk about your background, our mission, and how we work.
  2. Technical Conversation - Complete a live technical assessment based on a real-world problem followed by a discussion on your approach to architecture, problem-solving, and building for usability.
  3. Technical Take-home - A scoped technical project with compensation
  4. Team Conversation - Meet with core team and have a discussion about collaboration, culture, and long-term vision.

We welcome candidates who may not have the "right" title but have the skills, mindset, and drive to thrive here.
At Fuser, the process is the point.
Fuser is a creative technology company founded by artists, educators, and engineers. We're building tools for professionals who ideate, orchestrate, and deliver with intention. Our flagship product is a collaborative canvas for working across text, image, video, audio, and 3D, powered by the latest AI models.
We're a small team in Los Angeles designing the future of creative software: joyful, intuitive, and powerful tools for real-world storytelling and production.

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