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macOS Developer

Lemon · Islamabad

New
Senior 🇬🇧 English
Swift SwiftUI AppKit AVFoundation CoreAudio Accessibility CoreGraphics NSWindow NSPanel REST JWT Supabase Electron TypeScript Core ML

Job description

About the role

LemonLemon is building a voice‑powered productivity assistant that lets users dictate, edit, and interact with their tools without breaking flow. As a macOS Engineer you will join a small, high‑autonomy team to shape the core macOS experience of this AI‑driven platform.

Key responsibilities

  • Own large parts of the Lemon macOS app using Swift and SwiftUI, extending functionality to cross‑platform solutions.
  • Develop and maintain audio pipelines, accessibility APIs, and system‑level integrations.
  • Implement pixel‑perfect UI, animations, and 60 fps overlays while profiling memory, cold‑start time, and audio latency.
  • Work with low‑level Apple frameworks such as AVFoundation, CoreAudio, Accessibility (AX), CoreGraphics, NSWindow/NSPanel.
  • Collaborate with backend services (REST, JWT auth, multipart uploads, Supabase) and contribute to cross‑platform/Electron/TypeScript efforts.

Required profile

  • 4+ years of production macOS or iOS development in Swift.
  • Deep experience with SwiftUI‑AppKit interop and low‑level Apple frameworks.
  • Strong UI portfolio showcasing animations, micro‑interactions, and design sensibility.
  • Daily use of AI‑assisted coding tools (Claude Code, Cursor, Codex) and a solid understanding of modern backend APIs.
  • Experience in startup or early‑stage environments is a plus.

Required skills

  • Swift
  • SwiftUI
  • AppKit
  • AVFoundation
  • CoreAudio
  • Accessibility (AX)
  • CoreGraphics
  • NSWindow / NSPanel
  • REST APIs
  • JWT authentication
  • Supabase (or similar BaaS)
  • Electron
  • TypeScript
  • Core ML / on‑device ML
  • Audio processing

What we offer

  • Top‑end salary paid in USD
  • Equity participation (ESOP) based on impact
  • Access to cutting‑edge AI tooling and research
  • High‑autonomy environment with real ownership
  • Fast career acceleration and global exposure

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Published 1 hour ago

Expires 1 month from now

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Lemon

Islamabad