UI/UX Engineer - AI-Driven Interfaces & HCI Prototyping

Bjak; United States; On-site; USD 90,000 - 130,000; Full time

Job summary

A1 is seeking a frontend engineer to shape AI-native interfaces across web and mobile. You will prototype, test, and ship interaction patterns where conventional UI does not yet exist, focusing on clarity and usability.

Join a small, high-talent team working with product, design, and ML to deliver transparent, controllable AI experiences and reusable frontend components that scale with users' needs.

Qualifications

• Strong frontend engineering skills in React, TypeScript, or equivalent.
• Experience building interaction-heavy interfaces.
• Strong product and UX instincts.
• Ability to prototype rapidly in ambiguous environments.
• Understanding of animation, responsiveness, frontend architecture, and UI performance.
• Interest in HCI interfaces and how to design for trust, control, transparency, and recovery.
• Comfort working at the boundary of design and engineering without clear handoffs.
• Ability to move fast while keeping the user experience clear and usable.

Responsibilities

• Build and prototype AI-native product interfaces across web and mobile.
• Create functional prototypes of new HCI interaction models, including streaming responses, multi-step task flows, real-time feedback loops, and system state visibility.
• Translate design concepts into working code with high attention to usability, responsiveness, and motion.
• Experiment with UI patterns that show progress, uncertainty, confidence, failure, and recovery clearly to users.
• Build interfaces that let users supervise, correct, and redirect AI behavior without micromanaging the system.
• Work closely with product, design, and ML teams to validate interaction ideas quickly.
• Contribute to frontend architecture and reusable UI components for AI product surfaces.
• Identify and fix usability, performance, and state management issues in AI-driven interfaces.

Skills

React

TypeScript

UX/UI design

Prototyping

UI performance

Frontend architecture

Animation

Job description

A1 is seeking a frontend engineer to shape AI-native interfaces across web and mobile. You will prototype, test, and ship interaction patterns where conventional UI does not yet exist, focusing on clarity and usability.

Join a small, high-talent team working with product, design, and ML to deliver transparent, controllable AI experiences and reusable frontend components that scale with users' needs.