Frontend Engineer

Frontend Engineer Inflection AI full-time mid Expired Job Description At Inflection AI, our public benefit mission is to harness the power of AI to improve human well-being and productivity. The next era of AI will be defined by agents we trust to act on our behalf. We’re pioneering this future with human-centered AI models that unite emotional intelligence (EQ) and raw intelligence (IQ)—transforming interactions from transactional to relational, to create enduring value for individuals and enterprises alike. Our work comes to life in two ways today: Pi, your personal AI, designed to be a kind and supportive companion that elevates everyday life with practical assistance and perspectives. Platform — large-language models (LLMs) and APIs that enable builders, agents, and enterprises to bring Pi-class emotional intelligence into experiences where empathy and human understanding matter most. We are building toward a future of AI agents that earn trust, deepen understanding, and create aligned, long-term value for all. About the Role As a frontend engineer at Inflection, you will craft intuitive, responsive, and elegant interfaces like pi.ai that bring our LLM-powered products to life. You’ll work hand-in-hand with product, research, and design teams to build rich user experiences—from rapid prototypes to scalable production apps—that showcase the capabilities of our conversational AI. This is a good role for you if you: -Have 4+ years of experience building and maintaining production-grade web applications -Are fluent with React, TypeScript, and frontend performance debugging tools (e.g., Lighthouse, Chrome DevTools, Web Vitals) -Have built interactive UIs from scratch—ideally with experience handling real-time updates, accessibility, and responsive design -Understand the trade-offs between UX richness, responsiveness, performance, and maintainability -Have designed systems that balance experimentation and rapid iteration with long-term scalability -Are energized by working in a fast-moving, cross-functional environment with deep technical challenges Responsibilities include: -Design and build performant, maintainable frontend systems using TypeScript, React, and modern web tooling -Collaborate with researchers to surface advanced model behaviors—including tool use, RAG, and personalization—through intuitive UX paradigms -Develop and maintain internal UI components and design systems used across multiple product surfaces Integrate real-time data and analytics pipelines to visualize assistant behavior, model performance, and user feedback -Build developer infrastructure to support fast iteration cycles: hot reloading, component testing, E2E automation, and visual diffing -Work across the stack with backend and platform teams to ship end-to-end features with minimal latency and maximum reliability -Contribute to a culture of high code quality, continuous improvement, and shared ownership Employee Pay Disclosures At Inflection AI, we aim to attract and retain the best employees and compensate them in a way that appropriately and fairly values their individual contributions to the company. For this role, Inflection AI estimates a starting annual base salary will fall in the range of approximately $175,000 - $350,000 depending on experience. This estimate can vary based on the factors described above, so the actual starting annual base salary may be above or below this range. Benefits Inflection AI values and supports our team’s mental and physical health. We are focused on building a positive, safe, inclusive and inspiring place to work. Our benefits include: Diverse medical, dental and vision options 401k matching program Unlimited paid time off Parental leave and flexibility for all parents and caregivers Support of country-specific visa needs for international employees living in the Bay Area Interview Process Apply: Please apply on Linkedin or our website for a specific role. After speaking with one of our recruiters, you’ll enter our structured interview process, which includes the following stages: -Hiring Manager Conversation – An initial discussion with the hiring manager to assess fit and alignment. -Technical Interview – A deep dive with an Inflection Engineer to evaluate your technical expertise. -Onsite Interview – A comprehensive assessment, including: A domain-specific interview A system design interview A final conversation with the hiring manager Depending on the role, we may also ask you to complete a take-home exercise or deliver a presentation. For non-technical roles, be prepared for a role-specific interview, such as a portfolio review. Decision Timeline We aim to provide feedback within one week of your final interview.

Job Details Job Type

full-time

Experience Level

mid

Salary Range

$170,000 - $300,000

Location

Palo Alto, CA