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AI Systems Researcher/Engineer

Brave London 💼 Full-time🗓 2026-08-26 → 2026-09-26

Core

Shape and improve performance evaluations and optimizations for desktop and mobile AI systems, including browser ML models and on-device AI agents.

Role type

Senior IC AI systems researcher/engineer (performance & optimization)

Builds

Browser ML models, on-device AI agents, and performance evaluation frameworks for Brave browser.

Domain

Privacy-focused web browser, on-device AI, systems performance

Deliverable

production ML models | product features

Required skills

Python, C++, JavaScript, Rust, ML model optimization, performance evaluation, mobile/desktop system deployment, open-source development

Preferred skills

Confidential computing, security/privacy protocols, top-tier CS PhD, premier publications in systems/ML/performance

Technologies

PyTorch, TensorFlow, MLX, ONNX Runtime, Core ML, TensorRT

Responsibilities

Implement data-driven AI products, optimize ML models for on-device performance, collaborate with privacy/security researchers, deploy mobile/desktop applications

Seniority

Senior, hands-on IC

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