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Senior Frontend Developer

JJA.CO

Los Angeles, CA 2026-02-18 $130,000.00/yr - $150,000.00/yr

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As a Frontend Engineer, you will play a critical role in building intuitive, user-centric interfaces that power our advanced technologies, ensuring seamless user experiences across platforms. We thrive on a dynamic and creative work environment, rooted in an entrepreneurial spirit that has propelled us to become a respected leader in search and performance marketing.Key Responsibilities: Architect and Develop Scalable Frontend Solutions: Design and implement modular, reusable, and maintainable…

Job description

As a Frontend Engineer, you will play a critical role in building intuitive, user-centric interfaces that power our advanced technologies, ensuring seamless user experiences across platforms. We thrive on a dynamic and creative work environment, rooted in an entrepreneurial spirit that has propelled us to become a respected leader in search and performance marketing.Key Responsibilities: Architect and Develop Scalable Frontend Solutions: Design and implement modular, reusable, and maintainable code bases adhering to Feature-Sliced Design (FSD), Component-Driven Development, and Atomic Design Principles. Build and Optimize User Interfaces: Develop responsive and dynamic user interfaces using React, ensuring compatibility across various browsers and devices while adhering to best practices in performance and accessibility (e.g., WCAG). Collaborate on Application Architecture: Work closely with backend teams to define and implement API contracts (REST or GraphQL) and ensure seamless integration between frontend and backend layers. Component Development: Design and maintain a component library or design system to ensure consistency and efficiency in the development process. State Management: Implement and optimize state management solutions using Jotai, Zustand, TanStack Query, or other tools, ensuring a robust data flow and predictable application behavior. Testing and Debugging: Write unit tests, integration tests, and end-to-end tests using frameworks like Je...

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