AI Phone - On-device AI / ML Systems Engineer (Android)

Location: China; remote workplace

Company

hirify.global's ActAI - Realware department is building proactive AI-native applications and low-cost AI phones for everyday workflows.

What you will do

• Evaluate open-weight and commercial models for on-device execution and benchmark them on target mobile hardware.
• Integrate models into Android applications and system services.
• Optimize inference latency, memory consumption, and power usage through quantization, compression, and model distillation.
• Work with CPU, GPU, and NPU acceleration and evaluate local model capabilities for different workflows.
• Build hybrid local/cloud model routing and determine which tasks require local or cloud inference.
• Integrate local models into the agent runtime in collaboration with AI agent engineers.

Requirements

• Strong experience in ML systems or inference engineering.
• Experience deploying and optimizing models.
• Strong Python and C++ skills.
• Understanding of neural network inference, hardware constraints, and inference benchmarks.
• Experience with model quantization and performance optimization.

Nice to have

• Experience with on-device LLMs.
• Qualcomm QNN, MediaTek NeuroPilot, or similar acceleration frameworks.
• ONNX Runtime, LiteRT, TensorFlow Lite, or ExecuTorch.
• Android NDK.
• Mobile or edge AI deployment.
• Multimodal model optimization.

Culture & Benefits

• Full-time remote position associated with China.
• Work on proactive, intelligent, and low-cost AI phones and applications.