Member of Technical Staff (Software Engineer, Agent Capabilities)

Stack

Responsibilities

• ▹Investigate emerging frontier-model behaviors and turn them into product capabilities
• ▹Help define how advances in reasoning, planning, memory, learning and agent collaboration appear in the product
• ▹Build and evolve Skills, Workflows and Artifacts into a coherent ecosystem
• ▹Shape the architecture and abstractions that let users and agents compose complex solutions
• ▹Own capabilities end-to-end, from user-facing interfaces to backend services, evaluation and production operations
• ▹Build scalable platform infrastructure powering capability execution and lifecycle management
• ▹Collaborate with PM, Design, Data Science, Sales and Research to validate new capabilities
• ▹Set technical direction on ambiguous problems, mentor others through design reviews

Requirements

• ▹Typically 8+ years of professional software engineering experience, with a track record of owning complex products/systems end-to-end
• ▹Strong full-stack fundamentals: user-facing products, backend services, scalable distributed systems at high traffic
• ▹Strong product judgment; ability to turn vague needs into simple, reliable systems
• ▹Comfort with data-informed decisions, defining metrics and evals
• ▹Experience designing abstractions, platforms or reusable systems for engineers, users or automated systems
• ▹Genuine interest in frontier AI capabilities and agent systems

Nice to have

• ▹Experience building agentic systems (tool calling, subagents, long-running or autonomous task execution)
• ▹Experience building developer platforms or reusable-capability primitives (SDKs, plugin systems, workflow engines)
• ▹Experience with evaluation, benchmarking or quality systems for ML/LLM-powered products
• ▹Time spent at a fast-growing startup or on a high-ownership engineering team

Soft skills

About the company

Perplexity is an AI-powered answer engine that combines multiple leading models with real-time web search to deliver fast, trustworthy, citation-backed answers. In 2026 it launched Computer, a general-purpose agentic AI product used by millions to turn knowledge into action.