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Junior Frontend Software Engineer Jobs in California

Adverb

Frontend Software Engineer

San Francisco, CA · On-site

$120 - $160/hr

... software engineering experience building production-grade frontend systems. * Strong proficiency with JavaScript/TypeScript, React, and Next.js. * Experience building scalable, responsive web ...

Slope

Frontend Software Engineer

Costa Mesa, CA · On-site

$129 - $220/hr

About the Job We are looking for a Frontend Software Engineer to join our rapidly growing team in Costa Mesa, CA. In this role, you will be responsible for developing custom, map-based UI/UX for ...

HeyGen

Frontend Software Engineer

San Francisco, CA · On-site

$180K - $240K/yr

As a Frontend Engineer at HeyGen, you will play a crucial role in shaping the future of our cutting-edge platform, focusing primarily on the development and enhancement of its user-facing components.

Worky

Senior Frontend Software Engineer

Sacramento, CA · On-site

$105 - $145/hr

Mentor junior and mid-level engineers, providing code reviews, technical guidance, and pairing ... Stay current with emerging frontend technologies and frameworks, evaluating their fit for the ...

jobr.pro

Frontend Software Engineer

Costa Mesa, CA · On-site

$129 - $220/hr

About the Job We are looking for a Frontend Software Engineer to join our rapidly growing team in Costa Mesa, CA. In this role, you will be responsible for developing custom, map-based UI/UX for ...

David AI

Frontend Software Engineer

San Francisco, CA · On-site

$165K - $225K/yr

About this role As a Frontend Engineer at David AI, you'll build cutting-edge, intuitive interfaces that help our users make sense of the audio data they'll use to train their models, working closely ...

Redolent, Inc.

Software Engineer

Sunnyvale, CA · On-site

Job Title: Front-End Software Engineer - Hybrid role must come in 2 days a week. Location: Sunnyvale, CA Walmart is seeking an exceptional Front-End Software Engineer to expand our dynamic team. The ...

Inversion

Front-End Software Engineer II

Los Angeles, CA

$101K - $160K/yr

About the Role As a Front-end Engineer at Inversion, you will work as part of the simulation team ... The simulation team is responsible for ensuring that flight software and flight hardware can be ...

Inversion

Front-End Software Engineer II

Vista, CA · On-site

$101K - $160K/yr

About the Role As a Front-end Engineer at Inversion, you will work as part of the simulation team ... The simulation team is responsible for ensuring that flight software and flight hardware can be ...

IXL

Front-End Software Engineer, IXL Product

San Mateo, CA · On-site

$116 - $150/hr

## Front-End Software Engineer, IXL Product### San Mateo, CAIXL Learning, developer of personalized learning products used by millions of people globally, is seeking Front-End Engineers to provide ...

Intuit

Staff Software Engineer-Front End

San Diego, CA · On-site

$188K - $255K/yr

Coach and mentor junior engineers on best practices of software engineering, leveraging AI to ... front-end technology-you're prototyping and/or researching the up and coming technology and ...

Intuit

Staff Software Engineer - Front End

San Diego, CA · On-site

$188K - $255K/yr

Coach and mentor junior engineers on best practices of software engineering, leveraging AI to ... front-end technology--you're prototyping and/or researching the up and coming technology and ...

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Junior Frontend Software Engineer information

What does a junior frontend software engineer do?

A Junior Frontend Software Engineer is responsible for developing and maintaining the user interface of web applications. They work with technologies like HTML, CSS, and JavaScript to create visually appealing and interactive websites. Typically, they collaborate with designers and backend developers to ensure that the application is both functional and user-friendly. Juniors often focus on learning best practices, fixing bugs, and implementing new features under the guidance of more experienced engineers.

What are common challenges faced by junior frontend software engineers when transitioning from learning to working on production code?

Junior Frontend Software Engineers often find adapting to real-world codebases challenging, as they tend to be larger, more complex, and involve collaboration with multiple team members. They may encounter difficulties understanding legacy code, adhering to established coding standards, and using version control systems effectively. Additionally, balancing the need for rapid feature development with maintaining code quality and usability can be an adjustment. Support from senior engineers and regular code reviews are valuable in overcoming these challenges and building confidence.

What are the key skills and qualifications needed to thrive as a junior frontend software engineer, and why are they important?

To thrive as a Junior Frontend Software Engineer, you need proficiency in HTML, CSS, JavaScript, and a basic understanding of responsive web design, often backed by a computer science degree or relevant coursework. Familiarity with frameworks like React or Vue.js, version control systems such as Git, and basic debugging tools is typically expected. Strong problem-solving skills, attention to detail, and effective communication help you collaborate with team members and quickly learn on the job. These skills and qualities are crucial for building user-friendly interfaces, maintaining code quality, and integrating smoothly into development teams.

What is the difference between Junior Frontend Software Engineer vs Junior Web Developer?

AspectJunior Frontend Software EngineerJunior Web Developer
Required CredentialsTypically a degree in Computer Science or related field, familiarity with HTML, CSS, JavaScriptOften a degree or self-taught, basic knowledge of HTML, CSS, JavaScript
Work EnvironmentCollaborates with designers, backend developers, and product teams in tech companiesWorks on website or application development, often in digital agencies or freelance projects
Employer & Industry UsageUsed in tech startups, software companies, and enterprises focusing on web applicationsCommon in digital agencies, freelance work, and small business websites

The main difference is that Junior Frontend Software Engineers typically have a more technical focus on building and maintaining complex web applications, often requiring a deeper understanding of programming concepts. Junior Web Developers usually focus on creating and maintaining websites, with a broader but less specialized skill set. Both roles often require similar foundational skills but differ in scope and complexity.

What are the most commonly searched types of Frontend Software Engineer jobs in California?

The most popular types of Frontend Software Engineer jobs in California are:

What cities in California are hiring for Junior Frontend Software Engineer jobs?

Cities in California with the most Junior Frontend Software Engineer job openings:

Junior Frontend Software Engineer jobs near you

Frontend Software Engineer

Adverb

San Francisco, CA • On-site

$120 - $160/hr

Other

Posted 4 days ago

Job description

Outset invented a better way to do research: AI-powered user interviews.

Global brands like Hubspot, Microsoft, Uber and Nestle use Outset to achieve deeper, qualitative insights about their users at unprecedented speed and scale.

The research industry is massive (>$140B and growing) and ripe for disruption. Incumbents are outdated, slow, and burdened by high-cost services. That's our opportunity.


Outset is backed by top Silicon Valley investors and raised a $30M Series B in December 2025—less than six months after our Series A—led by Radical Ventures with participation from M12 (Microsoft’s venture arm), 8VC, Y Combinator, and Adverb Ventures.

The raise follows a breakout year, with our business growing 8x as enterprise customers across industries adopt our category, AI‑moderated research, as the new standard for understanding people.

We’re a tight-knit team serving some of the world’s largest enterprises.

Responsibilities
  • Collaborate closely with the CTO and CEO on strategic technical decisions and product direction.
  • Design, develop, and optimize intuitive, user-friendly frontend interfaces using React and Next.js.
  • Build robust and responsive components that seamlessly integrate with backend services and APIs.
  • Enhance user experiences through real-time data visualization and interaction.
  • Lead frontend projects from initial conception through production deployment, ensuring scalability, responsiveness, and reliability.
  • Interface directly with users to gather feedback, understand pain points, and continuously improve our product's UI/UX.
Qualifications
  • 3+ years of software engineering experience building production-grade frontend systems.
  • Strong proficiency with JavaScript/TypeScript, React, and Next.js.
  • Experience building scalable, responsive web applications.
  • Familiarity integrating frontend applications with RESTful or GraphQL APIs.
  • Strong understanding of UI/UX principles and best practices.
  • Bonus points for familiarity with real-time data visualization, WebRTC, or frontend performance optimization.
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