Frontend Developer Jobs in California, United States

Air Apps seeks a Frontend Web Developer to build high-performance, visually engaging web experiences for its AI-powered platform. The role involves collaborating with designers, product managers, and backend engineers to create responsive, accessible interfaces using HTML, CSS, JavaScript, and frameworks like React, Vue, or Angular.

Frontend Development team at Photon Group builds modern web applications for enterprise clients. The role designs and implements React.js features, integrates CMS platforms like AEM, and ensures responsive, accessible UIs using TypeScript, HTML5, and CSS3.

Artificial Intelligence Engineering team at Atomic Machines builds the Matter Compiler™ platform that enables programmable micromanufacturing. The Frontend Systems Developer creates and maintains a React+TypeScript graph editor for workflow design, ensuring data validation, performance, and integration with GitLab and Okta.

National Security Solutions team at KBR builds advanced satellite communications systems for the US Space Force. The Frontend Developer leads Angular-based UI development, integrating REST/GraphQL APIs and ensuring responsive, accessible design.

A seasoned front‑end engineer who builds scalable, high‑performance web and desktop applications. Leads the design and development of core frontend architecture from scratch, rapidly prototyping and iterating features to validate user experience.

Adobe seeks a Software Development Engineer - Frontend to improve document viewing and signing in Acrobat Web. Join an agile team to design and develop UI features, collaborate with architects, PMs, and design teams, build shared components, develop, test, deploy, and support the application, and work with customer success on issues.

Salesforce seeks a Senior Frontend Engineer to enhance Slack's developer experience, focusing on build performance, tooling, and process improvements across mobile and desktop platforms. The role involves optimizing build pipelines, measuring performance, mentoring peers, and driving innovation in frontend tooling.

Mercury's Platform Engineering team builds the frontend foundations that power its fintech products. The Senior Software Engineer will evolve React, TypeScript, and Vite infrastructure, automate workflows, and improve CI/CD pipelines to enable rapid, high‑confidence releases.

Adobe seeks a Senior Software Development Engineer – AI/ML FrontEnd to build cutting‑edge digital experiences. The role blends front‑end engineering with machine‑learning expertise, requiring strong skills in React, JavaScript, TypeScript, HTML, CSS, RESTful APIs, Node.js, Python, TensorFlow, and PyTorch.

Adobe seeks a Senior Software Development Engineer – Frontend to join Photoshop team in San Jose. The role focuses on building scalable, high-performance front‑end systems using TypeScript, JavaScript, and modern module architectures.

This role focuses on developing frontend applications for the Lightning Network, enhancing Bitcoin wallet functionality. The ideal candidate will build user interfaces, integrate APIs, and ensure seamless user experiences.

Emergent Labs’ Frontend Engineering team builds autonomous coding agents that generate, test, and deploy production applications from plain‑language intent. The role defines and owns the frontend architectural vision for high‑scale products, translating Figma designs into robust technical architecture while leading performance, accessibility, security, and scalability initiatives.

Pump.co seeks a Frontend Engineer to shape its cloud‑cost optimization platform. The role blends deep technical expertise with rapid prototyping, building scalable, high‑performance interfaces that drive user adoption.

Tessera Labs builds multi‑agent AI systems that automate complex enterprise workflows across platforms like SAP and Salesforce. As a Frontend Engineer you will design and develop sophisticated UI components, interactive dashboards and data visualizations, optimizing performance and usability while integrating AI model interactions.

Compiler Team at Persimmons builds the next‑generation compiler that translates AI models into assembly for its accelerator hardware. The role designs and implements compiler optimizations, novel scheduling algorithms, and collaborates with hardware and software groups to improve performance and scalability.

Qualified Health is building a generative AI SaaS platform to transform healthcare. As a Staff Frontend Engineer you will craft the user experience, write clean React code, optimize performance, and iterate rapidly based on user feedback while collaborating with the early engineering team.

Finix seeks a Senior Frontend Engineer to design and build high‑performance payment dashboards and embeddable components that power thousands of merchants. You’ll lead the frontend architecture, create reusable component libraries, and optimize performance for large financial data streams.

Frontend Engineer Intern at Dexmate will push code to production in the first week, building web interfaces for a robot platform that connects humans with physical robots. Working with designers, backend engineers, and robotics teams, the role involves building interactive UI components using Vue 3 or React, implementing real‑time data visualizations for robot status, sensor data, and telemetry, and accelerating development with AI‑assisted tools such as Copilot, Cursor, and Claude Code.

HeyGen seeks a Frontend Software Engineer to build and enhance user-facing components of its AI-powered video creation platform. The role involves designing high‑quality, responsive UI, collaborating with designers and backend teams, optimizing performance, and staying current with frontend technologies.

Intrinsic’s Customer Success team builds Human‑Machine Interfaces that let industrial robots be controlled by non‑experts. The Frontend Robotics Engineer designs, customizes, and tests web‑based HMIs, integrating real‑time 3D visualizations and backend data streams.