Member of Technical Staff (Software Engineer, Model Platform)

About the Position

Member of Technical Staff (Software Engineer, Model Platform)

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Location

San Francisco, California; Palo Alto, California

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Employment Type

Full time

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Department

AI Research & Systems

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Compensation

• $220K – $405K • Offers Equity

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About Perplexity AI

In 2026, we launched Computer, the defining product for the new era of agentic AI. We’ve scaled beyond the millions of people using Perplexity every day for research, shopping, investing, and curiosity into a new paradigm of using AI to transform knowledge into action.

As an engineer at Perplexity, your role will be to build products and systems that define how AI empowers humans to think, decide, and act. You’ll ship fast and work between both product and infrastructure advancements in our technology.

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Why Perplexity is Different

• Craftsmanship. We build high-quality, tasteful products targeting both the AI native and AI curious.
• Ownership. You identify the problem, design the solution, and ship it.
• Entrepreneurship. We think like founders, act with urgency, and hustle to deliver for each other and our users.
• Scholarship. Work among highly talented peers, pursuing knowledge and truth, upleveling ourselves, our teams, and our products.
• Partnership. We amplify each other's strengths, break down silos, and give selflessly to help our colleagues deliver excellence.

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About the Role

Perplexity is looking for a deeply technical software engineer to own and evolve our model serving platform, which is responsible for connecting our products and research systems with our inference layers. This mission-critical system gives teams one fast, reliable interface across providers.

You will work at the intersection of distributed systems, AI products, and infrastructure. You will make it dramatically easier for teams across Perplexity to adopt new models, run rigorous experiments, and ship dependable products.

The ideal candidate combines sound technical judgment forged in production systems with active curiosity around the rapidly changing capabilities and failure modes of frontier models. You will design core abstractions, lead high-conviction technical decisions, and write production Rust and Python for a service that serves hundreds of millions of model requests per day.

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Responsibilities

• Design and develop scalable backend services
• Ensure high reliability, availability, and performance
• Collaborate with cross-functional teams to integrate AI models into products
• Write clean, maintainable code in Rust and Python
• Lead technical decisions and mentor junior engineers

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Requirements

• 5+ years of experience building and shipping large-scale systems and services with high reliability, availability, and performance.
• Strong software engineering craft, with special care for developer experience and designing future-proof systems that can evolve along with a rapidly advancing AI landscape.
• Proficiency with a general-purpose backend language (Python, Rust, C++, Go) and cloud infrastructure (AWS, Kubernetes).
• BS, MS, or PhD in Computer Science, Engineering, or related fields (or equivalent experience).

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We Offer

• Competitive salary range: $220K - $405K
• Comprehensive benefits program including equity, health, dental, vision, retirement, fitness, commuter, and dependent care accounts.
• Opportunity to work in a cutting-edge AI environment
• Collaborative and innovative company culture

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About the Company

In 2026, we launched Computer, the defining product for the new era of agentic AI. We’ve scaled beyond the millions of people using Perplexity every day for research, shopping, investing, and curiosity into a new paradigm of using AI to transform knowledge into action.

As an engineer at Perplexity, your role will be to build products and systems that define how AI empowers humans to think, decide, and act. You’ll ship fast and work between both product and infrastructure advancements in our technology.