Senior Frontend Engineer Jobs

Inflection AI

Location:
United States, Palo Alto

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

175000.00 - 350000.00 USD / Year

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Job Description:

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. We are specifically seeking a seasoned engineer with deep expertise in Next.js. You’ll play a pivotal role in architecting and scaling our web applications to deliver world-class performance, reliability, and developer velocity.

Job Responsibility:

Architect and develop performant, maintainable frontend systems using Next.js, TypeScript, and React
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
Partner 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

Requirements:

Have 4+ years of experience building and maintaining production-grade web applications
Are fluent with React, Next.js, TypeScript, and frontend performance debugging tools (e.g., Lighthouse, Chrome DevTools, Web Vitals)
Have shipped interactive UIs from scratch—ideally handling real-time updates, accessibility, and responsive design
Understand trade-offs between UX richness, responsiveness, performance, and maintainability
Have designed systems balancing experimentation and rapid iteration with long-term scalability
Are energized by working in a fast-moving, cross-functional environment with deep technical challenges
Have a bachelor’s degree or equivalent in a related field to the offered position requirements

What we offer:

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
Competitive stock options

Additional Information:

Job Posted:
December 09, 2025

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Senior Frontend Engineer