Software Engineer – Frontend Job at FriendliAI in San Francisco

Software Engineer — Frontend San Mateo, CA – On-site/Remote About us FriendliAI, a Redwood City, CA-based startup, is building the next-generation AI inference platform that accelerates the deployment of large language and multimodal models with unmatched performance and efficiency. Our infrastructure supports high-throughput, low-latency AI workloads for organizations worldwide. We are also integrated with the Hugging Face platform, allowing instant access to over 400,000 open-source models. We are on a mission to deliver the world’s best platform for generative and agentic AI. The Role We are seeking a frontend engineer with a passion for high-performance UI and AI applications. This role focuses on crafting scalable, accessible, and optimized interfaces that empower users to manage generative and agentic AI deployments. You will play a key role in shaping user experience across our developer dashboard, agent builder, and observability tools. The Person An ideal candidate thrives at the intersection of frontend engineering and AI. You are deeply comfortable with scalable component systems, accessibility standards, and modern TypeScript-based architectures. You enjoy crafting elegant interfaces as much as working with agentic frameworks and AI-native interaction patterns. Key Responsibilities Design and implement high-performance, accessible, and SEO-friendly user interfaces Develop and maintain reusable, scalable UI components across our TypeScript monorepo Collaborate with design and product to deliver intuitive workflows for AI/LLM development and deployment Work closely with backend teams to integrate UI with real-time inference, orchestration, and monitoring APIs Contribute to and evolve our design system and documentation Participate in architectural reviews and code quality initiatives Continuously iterate on frontend performance, accessibility, and user feedback Qualifications 3 years of frontend engineering experience in production systems Bachelor’s or Master’s degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent Expert-level knowledge of TypeScript, React, and component-driven architecture Proven track record building accessible (a11y) and SEO-optimized SPAs and web apps Strong understanding of monorepo maintenance, code reuse patterns, and scalable UI systems Familiarity with data visualization frameworks, real-time APIs, and frontend performance monitoring tools Preferred Experience Experience working with LLMs, prompt-driven UIs, or agentic orchestration frameworks Background in frontend systems for developer tools or AI platforms Strong documentation and writing skills (for internal tools or user education) Passion for design systems, usability, and performance optimization Have built developer-facing products or technical UIs Understanding of AI agent architectures or multimodal UI patterns Benefits Flexible working hours Unlimited snacks and beverages Supportive work environment Top-tier equipment support #J-18808-Ljbffr