Hark

Mobile iOS Engineer

San Jose · Full-time

Sponsorship not specified$180k-$450kDetected 83 days ago

SwiftiOSSwiftUIRESTMachine LearningAgentic AI

About the role

That means shipping an app that feels instant, handles streaming AI responses gracefully, and integrates voice, text, and vision into a single coherent experience.
The bar is high: this is the primary way millions of people will interact with Hark.
This is a high-ownership role on a small team.

Build and own the Hark iOS app. Architecture, UI, performance, and the end-to-end experience.
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.
Build and own the Hark iOS app.
You'll work directly with designers, platform engineers, and the people building the models.
You'll build the iOS experience for Hark: a native app that brings a real-time, multimodal AI agent into people's pockets.
Hark is an artificial intelligence company building advanced, personalized intelligence.
We're pairing that intelligence with next-generation hardware to create a universal interface between humans and machines.

Experience designing and shipping intuitive, high-quality user experiences, with strong attention to detail and product craft.
Experience integrating with backend systems and AI-powered services (REST, streaming APIs), ensuring smooth and reliable data flow.
5+ years of iOS engineering experience.

Strong product intuition, with the ability to translate emerging AI capabilities into user-facing experiences that feel natural and useful.
Experience working in early-stage or 0-to-1 environments, with a track record of shipping quickly and iterating based on user feedback.
Familiarity with the Apple ecosystem, including frameworks such as AVFoundation, Core ML, or real-time media processing.
The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience.
This information will be shared if an employment offer is extended.

The US base salary range for this full-time position is between $180,000 - $450,000 annually.
The pay offered for this position may vary based on several individual factors, including job-related knowledge, skills, and experience.
The total compensation package may also include additional components and benefits depending on the specific role.
This information will be shared if an employment offer is extended.

One that is proactive, multimodal, and capable of interacting with the world through speech, text, vision, and persistent memory.

This listing is sourced directly from Hark's careers page and normalized into a canonical job model.