Symbolica is hiring : Founding Frontend Engineer (UI / UX) – AI Agentic Systems San

Lead Frontend Engineer – AI Agentic Systems

About Us Symbolica is an AI research lab pioneering the application of category theory to enable logical reasoning in machines.

We’re a well-resourced, nimble team of experts on a mission to bridge the gap between theoretical mathematics and cutting-edge technologies, creating symbolic reasoning models that think like humans – precise, logical, and interpretable. While others focus on scaling data-hungry neural networks, we’re building AI that understands the structures of thought, not just patterns in data.

Our approach combines rigorous research with fast-paced, results-driven execution. We’re reimagining the very foundations of intelligence while simultaneously developing product-focused machine learning models in a tight feedback loop, where research fuels application.

Founded in 2022, we’ve raised over $30M from leading Silicon Valley investors, including Khosla Ventures, General Catalyst, Abstract Ventures, and Day One Ventures, to push the boundaries of applying formal mathematics and logic to machine learning.

Our vision is to create AI systems that transform industries, empowering machines to solve humanity’s most complex challenges with precision and insight. Join us to redefine the future of AI by turning groundbreaking ideas into reality.

About the Role

As a Lead Frontend Engineer , you will be working on a highly technical interface for deploying AI systems. You’ll take ownership of building and iterating on functional prototypes for potential customer use cases, ensuring seamless end-to-end integration across the stack. Additionally, you’ll work closely with our research team to create interactive interfaces that bring agentic systems to life.

This is an onsite role based in our SF office (345 California St).

Your Focus

• Own and develop a vision for how developers discover, onboard, build, and scale applications with Symbolica\'s new flagship product.
• Design and implement intuitive, responsive UI for complex systems.
• Build, test, and iterate on functional prototypes based on real user needs.
• Collaborate with researchers, engineers, and product leads to turn ideas into polished features.
• Create and maintain reusable frontend components and design systems.
• Debug performance issues and run A / B tests to continuously improve UX.
• Attend developer events and workshops to introduce, prototype, and teach technical audiences how to build and deploy complex multi-agent systems.
• Translate external feedback to build user empathy and advocate for developer experience internally.

About You

What We Offer

Symbolica is an equal opportunities employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of race, gender, age, religion, disability, or sexual orientation.

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