Senior iOS Engineer – AI Platform

This is a fully remote position, open to applicants in Poland.

📋 Description

• Take full ownership of the iOS SDK from start to finish, including architecture, public API, distribution, and versioning.

• Develop and sustain the iOS runtime that facilitates AI inference using the Apple Neural Engine.

• Ensure optimal performance that is fast, energy-efficient, and thermally stable under sustained load.

• Properly manage the iOS lifecycle in accordance with Apple's background execution guidelines.

• Collaborate with the Android engineer to ensure feature parity across both platforms.

• Deliver to production and refine based on real-world telemetry data.

⛳️ Requirements

• A minimum of 6 years of experience in iOS engineering.

• Proficient in Swift and comfortable with C++ and Objective-C interoperability.

• In-depth knowledge of the iOS lifecycle, background execution, and the App Store review process.

• Familiarity with system-level constraints such as battery usage, thermal management, and memory pressure.

• Proven track record of shipping production code that operates across a diverse range of hardware.

• Experience with on-device machine learning technologies (CoreML, MLX, ExecuTorch, llama.cpp on iOS) is a plus.

• Expertise in optimizing for the Apple Neural Engine and using quantized model formats (INT4 / INT8, GGUF) is advantageous.

• Experience in delivering a public SDK or library utilized by other developers is desirable.

• Understanding of cryptography fundamentals, including end-to-end encryption, attestation, and secure enclave is a bonus.

• Contributions to open-source machine learning inference projects are considered a plus.

🏝️ Benefits

• Competitive senior-level compensation.

• Opportunities for equity participation.