Senior Frontend Engineer, Mobile Web for AI Agents

Candidate; New York (NY); On-site; USD 170,000 - 260,000; Full time

Job summary

OpenAI is seeking Senior and Staff Software Engineers to build the mobile web experience for our AI agents. You will design responsive, accessible interfaces that let users start work, review progress, and guide agent actions from a phone or browser.

You will ship features end-to-end, handle streaming updates and long-running tasks, optimize performance, and collaborate with design, product, and backend teams to define interaction patterns and frontend architecture.

Qualifications

• Extensive experience shipping polished web applications.
• Strong frontend engineering skills with focus on mobile web.
• Proven ability to optimize performance and accessibility.

Responsibilities

• Design and ship mobile web experiences for creating tasks and reviewing agent activity.
• Handle streaming updates, long-running tasks, and intermittent connectivity.
• Improve responsiveness and usability across screen sizes and browsers.
• Partner with design and product to prototype interaction patterns for visibility and control.
• Collaborate with backend and full-stack engineers on APIs and state synchronization.
• Own features from exploration through launch and refinement.

Skills

Frontend engineering

Mobile web development

Accessibility

Performance optimization

React

Cross-functional collaboration

Tools

React

TypeScript

Job description

OpenAI is seeking Senior and Staff Software Engineers to build the mobile web experience for our AI agents. You will design responsive, accessible interfaces that let users start work, review progress, and guide agent actions from a phone or browser.

You will ship features end-to-end, handle streaming updates and long-running tasks, optimize performance, and collaborate with design, product, and backend teams to define interaction patterns and frontend architecture.