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Junior Frontend Developer Jobs in Porter Ranch, CA

Inversion

Front-End Software Engineer II

Los Angeles, 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 ... Experience with modern DevOps practices * Familiarity with SQL and NoSQL databases (MySQL, Oracle ...

FlightStory

Junior Software Engineer

Los Angeles, CA · On-site

$95K/yr

Design, build, and ship end-to-end product features across frontend, backend, and infrastructure ... Open source contributions or active participation in developer communities * Exposure to early ...

Zoo

Senior Software Engineer, Frontend

Los Angeles, CA · On-site +1

$145K - $195K/yr

Able to operate autonomously and work asynchronously, while also being an effective team player About The Role As a Senior Frontend Engineer at Zoo, you'll play a crucial role in the development and ...

Fabric QA

Lead QA Tester (Manual)

Los Angeles, CA

Oversee a team of Jr. QA testers, assigning work, reviewing results and planning out daily tasks/tests. * Collaborate with Designers, Front-End Developers and Producers to test the design and ...

Jobsbridge

Junior UI Developer II

Los Angeles, CA · On-site

$72K - $93K/yr

... junior developers to your level and skill Openness to learn new skills and techniques. Possesses knowledge of the following applications and tools: Web development languages (e.g. HTML, CSS ...

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 ... Background or interest in art, design, music, or creative tech Our Stack Frontend: React 19 ...

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 ... Background or interest in art, design, music, or creative tech Our Stack Frontend: React 19 ...

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Junior Frontend Developer information

See Porter Ranch, CA salary details

$24.6K

$91.3K

$141.1K

How much do junior frontend developer jobs pay per year?

As of Aug 13, 2026, the average yearly pay for junior frontend developer in Porter Ranch, CA is $91,324.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,800.00 and $89,300.00 per year, depending on experience, location, and employer.

What does a junior frontend developer do?

A typical day for a Junior Frontend Developer often involves writing and updating code for website layouts, implementing design changes, and troubleshooting user interface issues. You'll collaborate frequently with designers, senior developers, and back-end team members to ensure a seamless integration of features and a consistent user experience. Many junior developers also participate in code reviews and team meetings, allowing them to learn from feedback and stay aligned with project goals. It's a dynamic role that balances coding, collaboration, and continuous learning, making it engaging and rewarding for those starting their tech careers.

What is a junior frontend developer?

A Junior Frontend Developer is an entry-level role responsible for building and maintaining the user interface of websites or web applications. They work with technologies like HTML, CSS, and JavaScript to create interactive and visually appealing experiences. Typically, they collaborate with designers, backend developers, and senior engineers to implement features and fix bugs. This role requires a good understanding of responsive design, browser compatibility, and basic version control with tools like Git. Junior developers often learn on the job and gain experience to advance to mid-level or senior positions.

What skills and qualifications are needed to thrive as a junior frontend developer?

To thrive as a Junior Frontend Developer, you need a strong grasp of HTML, CSS, and JavaScript, often supported by a relevant degree or coding bootcamp experience. Familiarity with version control systems (like Git), frontend frameworks (such as React or Vue), and basic debugging tools is common in this role. Attention to detail, a willingness to learn, and effective communication help junior developers work well within teams and adapt to new technologies. These technical and interpersonal skills ensure you can contribute to building user-friendly web applications and grow within a collaborative development environment.

What are the most commonly searched types of Frontend Developer jobs in Porter Ranch, CA?

The most popular types of Frontend Developer jobs in Porter Ranch, CA are:

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Cities near Porter Ranch, CA with the most Junior Frontend Developer job openings:

Junior Frontend Developer jobs near you

Front-End Software Engineer II

Inversion

Los Angeles, CA • On-site

$101K - $160K/yr

Full-time

Posted 10 days ago

Job description

Who We Are:

Inversion builds advanced reentry systems to deliver next-generation capabilities from space.
Our mission is to make Earth radically more accessible by turning Low-Earth Orbit into an on-demand logistics domain. We see space not as a destination, but as a platform - one that unlocks unprecedented speed and global reach.
Our spacecraft are designed to deliver payloads anywhere on Earth in under an hour, operating through extreme reentry conditions and landing with high precision. These systems open the door to new ways of testing, delivering, and operating at hypersonic speeds.
Inherently dual-use, our technology is built to meet urgent national security needs while laying the groundwork for future commercial applications. Backed by leading investors including Y Combinator, Spark Capital, and Lockheed Martin Ventures, and working with partners such as the U.S. Space Force and NASA, Inversion is pushing the boundaries of what's possible in space-based defense and logistics.

About the Role

As a Front-end Engineer at Inversion, you will work as part of the simulation team to design, develop, and maintain the user interface/user experience (UI/UX) of the applications that support the simulation and test environments for our flight systems. The simulation team is responsible for ensuring that flight software and flight hardware can be continuously integrated and tested under realistic flight conditions. You will play a key role in the design and development of data visualization, data analysis, and self-service tools that will enable fast, repeatable development and deployment workflows across the engineering stack. Your work will empower Inversion's engineering teams to iterate rapidly throughout the development life cycle and will strengthen Inversion's ability to put our products into the hands of our customers with unprecedented speed and agility.

What You'll Do
  • Design, deploy, and maintain the client-side logic and interface of the applications that support simulation workflows, including high-performance computing (HPC), software-in-the-loop (SIL) testing, and hardware-in-the-loop (HIL) testing
  • Develop the front-end tech stack to ensure the performance and maintainability of our applications
  • Design and implement a front-end architecture that strikes the right balance between simplicity and flexibility
  • Design and develop the user interfaces (UI) that support simulation configuration, management, and monitoring
  • Work with back-end engineers to integrate the front-end with the back-end and deliver a smooth user experience (UX)
  • Contribute to the design and development of a simulation system capable of automatically provisioning and deploying resources to support simulation workflows
Required Qualifications
  • Must have the ability to obtain and maintain a U.S. government Secret/Top Secret security clearance.
  • 3+ years of professional experience in front-end or full-stack development
  • Expertise in front-end engineering and best practices
  • Expertise with HTML/CSS
  • Expertise in React or Vue.js
  • Proficiency in UI/UX design
  • Proficiency in one or more scripting languages (Python, Lua, Bash, PowerShell, etc.)
  • Experience with one or more front-end architectures (monolithic, modular, micro front-ends, component-based, headless, Flux, etc.)
  • Experience with API architectures (REST, GraphQL, gRPC, WebSockets, Webhooks, etc.)
  • Experience with responsive design
  • Experience with Linux-based systems
  • Experience with modern DevOps practices
  • Familiarity with SQL and NoSQL databases (MySQL, Oracle, MongoDB, DynamoDB, InfluxDB, etc.)
Desired Qualifications
  • Experience with tools for building web interfaces (Tailwind CSS, Radix UI, Shadcn UI, etc.)
  • Experience with data visualization (graphs, charts, 3D, etc.)
  • Familiarity with cloud computing platforms (AWS, GCP, etc.)
  • Familiarity with system observability tools (Prometheus, Grafana, etc.)
  • Familiarity with containerization (Docker, Docker Compose, etc.)

Our office headquarters is located in Playa Vista, CA. This position requires in office presence.

The California annual base salary for this role is currently $101,000 - $160,000.  Pay Grades are determined by role, level, location, and alignment with market data.  Individual pay will be determined on a case-by-case basis and may vary based on the following considerations: interviews and an assessment of several factors that are unique to each candidate, job-related skills, relevant education and experience, certifications, abilities of the candidate and internal equity. 

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