Founding Engineer, FrontendCENNA Systems Inc. • San Francisco, CA, United States

Founding Engineer, Frontend

CENNA Systems Inc. • San Francisco, CA, United States

[job_card.30_days_ago]

[job_preview.job_type]

[job_card.full_time]

[job_card.job_description]

About the Role

As a Founding Frontend Engineer at Cenna, you will lead the creation of intuitive, high-performance user interfaces for our agentic services platform. Your work will define the user experience, ensuring our AI-powered products are accessible, responsive, and visually compelling.

Responsibilities

Design and build responsive, user-friendly interfaces using modern frontend technologies
Implement pixel-perfect designs that align with product vision and user needs
Optimize frontend performance for speed, scalability, and accessibility
Collaborate with backend and AI engineers to integrate APIs and AI-driven features
Work with product and design teams to iterate on UI / UX based on user feedback
Establish frontend architecture, coding standards, and best practices
Mentor junior engineers and contribute to a culture of technical excellence

Requirements

5+ years of frontend development experience

Strong proficiency in HTML, CSS, and modern UI libraries (e.g., Tailwind, Material-UI, Shadcn)

Experience with state management (Redux, Zustand, or similar)

Knowledge of web performance optimization and accessibility standards

Strong problem-solving skills and attention to detail

Excellent communication and teamwork abilities

Nice to Have

Experience building interfaces for AI-driven or data-intensive applications

Knowledge of WebGL, animations, or advanced visualization techniques

Experience with CI / CD pipelines for frontend deployment

Contributions to open-source frontend projects

Prior experience in a startup or rapid-growth environment

Apply for this Position

Ready to join our team? We'd love to hear from you! Please send your resume and a brief introduction to careers@cenna.io with the subject line "Founding Engineer, Frontend Application".

Interested in Cenna but don't see the right role? We're always looking for talented individuals.

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