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Member of Technical Staff, Hark Mobile

Hark· Product Engineering
Apply on company site
San Jose$180k - $450kfull-timePosted 7mo ago

About the role

Role focused on building the iOS experience for Hark, delivering a real-time, multimodal AI agent via a native iOS app. High-ownership position in a small team, collaborating with designers, platform engineers, and model developers to ship an instant-feeling app with streaming AI, voice, text, and vision integration.

Responsibilities

  • Build and own the Hark iOS app. Architecture, UI, performance, and the end-to-end experience.
  • Ship features that integrate real-time AI capabilities: streaming responses, voice input, tool invocations, and multimodal interactions.
  • Work closely with designers to craft interfaces that feel fast, polished, and trustworthy. Sweat the details.
  • Optimize for performance at every layer: startup time, animation smoothness, memory efficiency, and network latency.
  • Own components end-to-end, from design and implementation through testing, launch, and iteration.
  • Collaborate with platform and backend engineers on APIs, data contracts, and integration with the agent runtime.
  • Instrument what you ship. Track performance, catch regressions, and improve based on real-world usage.

Qualifications

  • Strong expertise in Swift, with deep knowledge of UIKit and SwiftUI, and a solid understanding of iOS system design.
  • Proven ability to build high-performance, responsive mobile applications, with experience optimizing for latency, memory, and real-time interactions.
  • Experience designing and shipping intuitive, high-quality user experiences, with strong attention to detail and product craft.
  • Familiarity with concurrency patterns (async/await, Combine) for building real-time, interactive applications.
  • Experience integrating with backend systems and AI-powered services (REST, streaming APIs), ensuring smooth and reliable data flow.
  • Demonstrated ability to own features end-to-end, from initial concept and architecture through implementation and deployment.
  • 5+ years of iOS engineering experience.

Skills

Required:SwiftUIKitSwiftUIiOS system designConcurrency (async/await, Combine)
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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