Hark

Mobile iOS Engineer

Hark
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10 days ago
San Jose, CA, USASenior

Base Salary

$180k - $450k/yr

Responsibilities

  • Build and own the Hark iOS app, including architecture, UI, performance, and the end-to-end user experience.
  • Ship real-time AI features involving streaming responses, voice input, tool invocations, and multimodal interactions.
  • Collaborate with designers to create fast, polished, and trustworthy interfaces.
  • Optimize startup time, animation smoothness, memory efficiency, and network latency.
  • Own features from design and implementation through testing, launch, and iteration.
  • Collaborate with platform and backend engineers on APIs, data contracts, and agent-runtime integration.
  • Instrument shipped features, track performance, identify regressions, and improve based on real-world usage.

Requirements

  • Strong expertise in Swift, with deep knowledge of UIKit, SwiftUI, and iOS system design.
  • Proven experience building high-performance, responsive mobile applications and optimizing 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 including async/await and Combine.
  • Experience integrating backend systems and AI-powered services through REST and streaming APIs.
  • Demonstrated ability to own features end-to-end from concept and architecture through implementation and deployment.
  • At least 5 years of iOS engineering experience.
  • Bonus: experience with AI-powered or agent-driven applications involving voice, multimodal input, or real-time interaction.
  • Bonus: strong product intuition and experience translating emerging AI capabilities into user-facing experiences.
  • Bonus: experience in early-stage or 0-to-1 environments and rapid iteration based on user feedback.
  • Bonus: familiarity with the Apple ecosystem, including AVFoundation, Core ML, or real-time media processing.
  • Bonus: ability to work across the stack or collaborate closely with backend and AI teams.

Benefits

  • Full-time position with a US-based role.
  • Additional compensation components and benefits may be included depending on the specific role and shared if an employment offer is extended.

Tech Stack

iOSSwiftSwiftUI

Categories

Mobile
Hark

About Hark

1-10 employees
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