Member of Technical Staff (AI Inference Engineer)
Perplexity AI · London
Applied AIonsiteMid-level
At a glance
Highlights
- Build and run the inference engine behind every Perplexity query at scale.
- Support transformer, text-generation and multimodal models from loading to serving.
- Optimize latency and cost while keeping rapidly growing traffic reliable.
What they offer
- Equity
Ideal candidate
Self-directed systems builder who owns problems end-to-end and thrives in fast-moving environments. You care about low-latency, reliable production systems and turning research ideas into real-world impact.
Requirements
- 3+ years of professional software engineering experience with ML inference or high-performance systems
- Deep experience with GPU programming and performance work
- Understand modern LLM architectures and bring them up reliably in production
- Built and operated production distributed systems under real load
- Familiarity with at least one deep learning framework (PyTorch, JAX, TensorFlow)
- Understanding of GPU architectures, LLM architectures and inference optimization techniques
- Self-directed and comfortable owning problems end-to-end in fast-moving environments
Lab profile
About Perplexity AI
Builds AI search answers and agentic Computer to turn knowledge into action.
What they build
- Perplexity AI answer engine
- Perplexity Computer agentic assistant
- Comet AI browser and desktop apps
Known for
- Agentic AI and agent capabilities
- Applied AI product engineering
- Cross-platform apps across web, mobile and desktop
- Multimodal AI and integrations
Key facts
- Founded in 2022
- Headquartered in San Francisco, California
- Serves millions of users daily
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