> Markdown version of [/jobs/ext/3968818-lead-frontend-engineer-ui-ux-ai-agentic-systems](https://www.wearedevelopers.com/jobs/ext/3968818-lead-frontend-engineer-ui-ux-ai-agentic-systems). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Frontend Engineer (UI/UX) - AI Agentic Systems - **Company:** Symbolica AI, Inc. - **Location:** San Francisco, CA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** A/B Testing, Artificial Intelligence, Artificial Neural Networks, Software Debugging, Design of User Interfaces, Human-Computer Interaction, Interaction Design, Machine Learning, E2e Testing, TypeScript, Web Applications, ReactJS, Multi-Agent Systems, Agentic-AI, Build Management, Graphql, Front End Software Development, Restful APIs - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/lead-frontend-engineer-ui-ux-ai-agentic-systems-san-francisco-ca--1a797345-9eda-488e-8ace-d6a5ddd3a484 ## About the Role User Interface/Experience (UI/UX), Artificial Intelligence (AI), Neural Networks, Artificial Intelligence (AI), Mathematics, Machine Learning, Product Development, Use Cases, Prototyping, User Interface/Experience (UI/UX), * Excellent at translating complex ideas into simple, beautiful, and highly usable UI/UX. * Proficient in TypeScript and React. * Equally passionate about design and engineering - you care as much about visual polish, accessibility, and interaction design as you do about clean, scalable code. * Comfortable prototyping quickly and shipping production-ready code. * Experience collaborating with designers or directly owning design systems, style guides, or user interface patterns. * Experience working on machine learning and/or AI projects is a plus. * Experience building scalable, data intensive web apps, including RESTful APIs and GraphQL. * Passion for writing clean, maintainable, and well-documented code. * Effective communication skills and a collaborative mindset to work across diverse teams. ## Description 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, and visually polished UI for complex systems, with a strong emphasis on usability and accessibility. * Partner with product and design to translate abstract concepts into clear, elegant user flows and interactive experiences. * 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 a consistent design system and reusable frontend components that balance aesthetics with performance. * 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 this external feedback to build user empathy and advocate for developer experience internally.