Frontend Engineer for Multimodal AI Interfaces

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

Job summary

Hark is seeking a Frontend Engineer to design and build product interfaces across voice, text, and vision. This high-ownership role involves working closely with designers and model researchers to create fast, intuitive experiences that users can trust.

The ideal candidate will have at least 5 years of experience in software engineering, particularly within consumer products, and be comfortable with ambiguity, fast iteration, and building responsive interfaces. A genuine curiosity about AI and agents is essential.

Qualifications

• 5+ years of relevant software engineering experience.
• Experience shipping consumer products.
• Comfort with ambiguity and fast iteration.

Responsibilities

• Design and build the product surfaces of Hark.
• Work closely with designers to ship interactions.
• Own features end-to-end, from prototyping to deployment.
• Build frontend for agent workflows integrating multi-step reasoning.
• Instrument and evaluate what you ship.

Skills

Frontend engineering fundamentals

Responsive interfaces

AI and agent curiosity

Product sensibility

Strong communication

Job description

Hark is seeking a Frontend Engineer to design and build product interfaces across voice, text, and vision. This high-ownership role involves working closely with designers and model researchers to create fast, intuitive experiences that users can trust.

The ideal candidate will have at least 5 years of experience in software engineering, particularly within consumer products, and be comfortable with ambiguity, fast iteration, and building responsive interfaces. A genuine curiosity about AI and agents is essential.