Frontend Engineer: Real-Time AI Interfaces

Hark; San Jose (CA); On-site; USD 170,000 - 400,000; Full time

Job summary

Hark is searching for a frontend engineer to create and enhance user interfaces for advanced AI interactions. In this role, you will build web and mobile interfaces that feel instant and coherent. Your work will be essential in defining how users interact with Hark's technology.

The ideal candidate has 5+ years of experience in frontend engineering, particularly with modern React, and will be responsible for ensuring that Hark's interface is both responsive and trusted by users.

Qualifications

• Deep frontend expertise with modern React or equivalent.
• Experience with streaming data and real-time UI.
• A sharp eye for animation and loading states.
• Shipping products that users depend on.
• Curiosity about LLM-powered products and UX.
• Comfort with prototyping and quick iterations.
• Strong communication skills with designers and engineers.

Responsibilities

• Build and own the frontend surfaces of Hark.
• Ship UI for real-time, streaming agent interactions.
• Collaborate with designers to create fast, responsive interfaces.
• Build accessible components that scale across products.
• Track performance and improve based on user data.
• Work with platform engineers on APIs and data contracts.

Skills

Modern React or equivalent

Real-time UI experience

Attention to detail in UI

Shipping consumer products

Curiosity about AI

Fast iteration

Strong communication

5+ years frontend engineering experience

Job description

Hark is searching for a frontend engineer to create and enhance user interfaces for advanced AI interactions. In this role, you will build web and mobile interfaces that feel instant and coherent. Your work will be essential in defining how users interact with Hark's technology.

The ideal candidate has 5+ years of experience in frontend engineering, particularly with modern React, and will be responsible for ensuring that Hark's interface is both responsive and trusted by users.