AI Engineer
Core
Develop, fine-tune, and productionize AI models that power mobile apps for hundreds of thousands of users.
Role type
Senior IC machine-learning engineer (mobile apps)
Builds
AI-powered mobile applications (Invoice Fly, Summary AI)
Domain
Mobile applications + Generative AI / Foundation Models
Deliverable
production ML models
Required skills
Deep learning model training and fine-tuning, Python, PyTorch or JAX, full model lifecycle management (data curation, experimentation, evaluation, deployment), modern model architectures, Hugging Face ecosystem
Preferred skills
On-device/edge inference optimization (quantization, distillation, ONNX), mobile ML integration, published research or open-source contributions
Technologies
PyTorch, JAX, Hugging Face (Transformers, Datasets, Hub), ONNX
Responsibilities
Research and design models for specific product needs, fine-tune open-source and foundation models, own the full model lifecycle from data to deployment, collaborate with mobile and backend engineers to integrate models, define and track quality metrics
Seniority
Senior, hands-on IC
