Bjak

Build and improve AI phone capabilities by evaluating, adapting, and fine-tuning open-weight language models for phone-specific workflows. The role focuses on model quality, agent task execution, synthetic data, and production-relevant evaluation.

Build and improve machine-learning models for an AI-native phone, focusing on fine-tuning, evaluation, tool use, and reliable multi-step task execution. You will compare open-weight and cloud models and translate experiments into measurable improvements in real agent workflows.

Build and optimize on-device AI/ML systems for next-generation Android phones, enabling fast, power-efficient local intelligence. You will evaluate models, integrate them into mobile systems, and design hybrid local/cloud inference workflows.

Build and optimize on-device AI systems for an AI-native phone, bringing advanced models to mobile hardware with low latency, memory, and power usage. You will integrate local models into Android applications, system services, and agent runtimes.

Design and implement the security and privacy architecture for an AI-native Android phone, protecting user data while enabling AI agents to interact safely with system services and applications. The role focuses on permissions, sandboxing, access control, privacy, and AI-specific security threats.

Design and implement the security and privacy architecture for an AI-native Android phone, protecting sensitive user data and controlling AI-agent access to system services. The role combines mobile platform security, privacy engineering, threat modeling, and AI-agent risk mitigation.

Build integrations that let AI agents interact with everyday applications, execute structured actions, and coordinate cross-application workflows. This role combines API development, authentication, asynchronous systems, and mobile application access.

Build integrations that let AI agents access and act across everyday applications, enabling search, updates, messaging, workflows, and other structured actions. This role combines API development, application interoperability, authentication, and Android system access.