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Member of Technical Staff, Hark Web

Hark· Product Engineering
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San Jose, CA$170k - $400kfull-timePosted 7mo ago

About the role

Role focused on designing and building Hark's product surfaces across voice, text, and vision, delivering fast, intuitive, and trustworthy agentic experiences. High-ownership frontend-focused position within a small team collaborating with designers and model researchers.

Responsibilities

  • Design and build the product surfaces of Hark. The interfaces, conversations, and agentic experiences that users interact with every day across voice, text, and vision.
  • Work closely with designers to ship interactions that feel fast, reliable, and genuinely useful. The details matter here.
  • Own features end-to-end, from early prototyping to production deployment and iteration based on real usage.
  • Build the frontend for agent workflows that integrate tool use, memory retrieval, and multi-step reasoning. Making model capabilities feel coherent and trustworthy to the person using them.
  • Instrument and evaluate what you ship. Track quality, gather signal, and improve.

Qualifications

  • Strong frontend engineering fundamentals. You are comfortable building polished, responsive interfaces and you care deeply about how things feel to use.
  • Experience shipping consumer products that real people depend on. You understand the gap between a prototype and something someone trusts every day.
  • Genuine curiosity about AI and agents. You have used LLM-powered products, noticed where they break down, and thought about what would make them better.
  • A product sensibility. You think about the person using the thing, not just the implementation. You notice when something is off and you want to fix it.
  • Comfort with ambiguity and fast iteration. You can take a rough idea, prototype it, get feedback, and move quickly toward something that works.
  • Strong communication. You can work closely with designers and engineers, explain your thinking, and make good decisions together.
  • 5+ years of relevant software engineering experience. Experience at a fast-growing AI or consumer product company is a strong plus.

Skills

Required:Frontend engineeringProduct senseAI/LLM curiosity
Last updated Oct 1, 2026. Interested? Apply on the company site.
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About Hark

building the most advanced personal intelligence in the world.

At Hark, we are building the most advanced personal intelligence in the world.

personal intelligenceartificial intelligence
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