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Front End Developer Startup Jobs in California (NOW HIRING)

[G]Sources

Front-End Engineer

San Marino, CA · On-site

We are looking for stellar front-end engineers to join our Front-End team and work closely with our ... Three or more years experience Previous startup experience Additional Information All your ...

[G]Sources

Front-End Engineer

San Marino, CA · On-site

We are looking for stellar front-end engineers to join our Front-End team and work closely with our ... Three or more years experience Previous startup experience Additional Information All your ...

Twenty80 LLC

Sr. Frontend Engineer

San Francisco, CA · On-site

San Francisco, CA About the role A San Francisco-based startup is looking for a Sr. frontend engineer to build and improve its digital platform. You'll create interactive user interfaces, set ...

Brevian.ai

Software Engineer - Frontend

Sunnyvale, CA · On-site

Software Engineer, Frontend BREV/AN is at the forefront of revolutionizing how businesses leverage ... Why BREVIAN? We are a very well funded seed stage startup. You get to experience the 0-1 of ...

Surefront

We are looking for an experienced Lead Front-End Engineer to join our growing team at Surefront ... This person has to love the startup grind and hustle of getting things done quickly, but also ...

Capsule.Video Inc

Frontend Engineer

Los Angeles, CA · On-site

We're a Series A startup led by two serial founders who have built and scaled creative platforms ... We're hiring a Senior Frontend Engineer to help us build the next generation of web-based video ...

Worky

Senior Frontend Engineer

San Francisco, CA · On-site

$180K - $260K/yr

About the Role This is a high-ownership Senior Frontend Engineering role at a fast-growing AI ... Prior startup experience in a meaningful engineering role (not just a small side project). * Bias ...

Giga AI Inc

Senior Frontend Engineer

San Francisco, CA · On-site

$200K - $280K/yr

Voice AI startup Giga raises $61M Series A * DoorDash and Giga Partnership If being a part of this ... Exceptional Frontend Engineer: 5-7 years of experience with Javascript/TypeScript, React, and Next ...

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Showing results 21-40

All JobsFront End Developer Startup JobsFront End Developer Startup Jobs in California

Front End Developer Startup information

See California salary details

$41.9K

$109K

$153.5K

How much do front end developer startup jobs pay per year?

As of Sep 14, 2026, the average yearly pay for front end developer startup in California is $108,967.00, according to ZipRecruiter salary data. Most workers in this role earn between $102,600.00 and $119,400.00 per year, depending on experience, location, and employer.

What is a front end developer startup?

A Front End Developer Startup job involves building and optimizing the user interface of a web or mobile application in a fast-paced startup environment. Responsibilities include coding in HTML, CSS, and JavaScript, working with frameworks like React or Vue.js, and collaborating with designers and back-end developers. Startups often require developers to be flexible, take ownership of features, and work on rapid iterations based on user feedback. This role typically demands both technical expertise and creative problem-solving to enhance user experience.

What are the key skills and qualifications needed to thrive as a front end developer startup?

To thrive as a Front End Developer Startup, you need strong skills in HTML, CSS, JavaScript, and modern frameworks like React or Vue, often backed by a relevant degree or proven portfolio. Familiarity with version control systems like Git, as well as build tools and APIs, is essential, while certifications in web development can be beneficial. Adaptability, proactive problem-solving, and the ability to communicate effectively within a fast-paced, collaborative environment are key soft skills. These skills and qualities enable you to build responsive, user-focused interfaces and rapidly iterate while aligning with evolving startup needs.

What are the unique challenges a front end developer faces in a startup environment compared to larger companies?

Working as a Front End Developer in a startup often means tackling a wider variety of tasks, ranging from UI implementation and rapid prototyping to troubleshooting issues across the stack. You may have to adapt quickly to shifting priorities, work with minimal supervision, and frequently collaborate with designers, product managers, and sometimes even directly with back end developers or founders. The pace is fast, so flexibility and a willingness to learn on the fly are crucial. On the upside, this environment provides substantial opportunities to broaden your skill set, take ownership of features, and make a visible impact on the product’s direction.

What are the most commonly searched types of Front End Developer Startup jobs in California?

The most popular types of Front End Developer Startup jobs in California are:

What are popular job titles related to Front End Developer Startup jobs in California?

For Front End Developer Startup jobs in California, the most frequently searched job titles are:

What job categories do people searching Front End Developer Startup jobs in California look for?

The top searched job categories for Front End Developer Startup jobs in California are:

What cities in California are hiring for Front End Developer Startup jobs?

Cities in California with the most Front End Developer Startup job openings:

Front End Developer Startup jobs near you
Infographic showing various Front End Developer Startup job openings in California as of September 2026, with employment types broken down into 1% As Needed, 78% Full Time, 18% Part Time, 1% Temporary, and 2% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $108,967 per year, or $52.4 per hour.

Frontend-focused Fullstack Software Engineer

San Francisco, CA • On-site

Al-Huda School
See more jobs at Al-Huda Schoolexternal

Other

Vision

Posted 27 days ago

Key responsibilities

  • Design and maintain both frontend and backend components of the neuromodulation technology platform.

  • Develop and deploy web applications for managing patient data and implement real-time data visualization tools.

  • Manage and grow a team of engineers, and develop APIs for frontend-backend communication.

Job description

Frontend-focused Fullstack Software Engineer - Ampa

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Frontend-focused Fullstack Software Engineer - Ampa

Job Title:

Frontend-focused Fullstack Software Engineer

Disclaimer:

Working at Ampa is a rare chance to help transform global mental health and save millions of lives - a level of impact that demands deep commitment. Our team puts in 60-80 hours per week because the Mission calls for it, and we relish the chance to do work this meaningful. Its not for most people :)

About Ampa:

Ampa is a pioneering neurotechnology startup developing brain stimulation technology to help eradicate depression. We will improve millions of lives by making this transformative treatment universally accessible. Joining us means you'll be part of a rapidly growing startup with significant equity opportunities and a major impact on our future.

Role Overview:

We're seeking an extremely talented Frontend-focused Fullstack Software Engineer to lead the development of our neuromodulation technology. In this role, you'll be leading the team responsible for building the most user-friendly, scalable, and advanced brain stimulator platform in the world. You'll work across both frontend and backend systems to control the stimulator, visualize data for healthcare providers, sync data with the cloud, collaborate with other engineers, ensure strong encryption, and create a seamless user experience. You're a 10x engineer, passionate about mental health, with the potential to lead and mentor a growing team.

  • Frontend: React, React Native
  • Cloud: AWS (ECS, CDK, Glue, Firehose, EventBridge)
Key Responsibilities:
  • Full Stack Development: Design and maintain both frontend and backend components.
  • Web Applications: Develop and deploy apps for managing patient data.
  • Data Visualization: Implement real-time 3D models and other visual tools.
  • API Integration: Develop and maintain APIs for frontend-backend communication.
  • User Feedback: Collect and apply user feedback to improve UX.
  • Team Building: manage & grow a talented group of engineers in India
What We're Looking For:
  • Drive: Highly motivated, open to feedback, and able to learn new skills as needed.
  • Adaptability: Thrives in a fast-paced, evolving startup.
Specific to this role
  • Expertise: Strong in front-end architecture, API design, and data-driven development.
  • Experience: 6+ years in full stack development, including React/React Native and backend technologies like Python or Node.js.
  • Miscellaneous: Hardware interaction, computer vision, camera APIs (desirable).
Why Join Ampa?
  • Impact: Lead the development of transformative mental health technologies.
  • Growth: Thrive in a startup environment with rapid innovation.
  • Stability: Enjoy startup benefits with a secure product line.
  • Ownership: Receive substantial equity as an early team member.
Logistics:
  • Work Mode: In-person
  • Locations: Bay Area
  • Employment: Permanent
  • Visa Sponsorship: Will sponsor TN visa or equivalent. No H1B.
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