San Francisco, California, United States · On-site
$220k–$405k/yr
Perplexity is seeking energetic researchers and engineers to join our Secure Intelligence Institute (SII), Perplexity's flagship research center for advancing security, privacy, and trust in frontier intelligence. SII’s …
Skills: AI Security, Privacy Research, Threat Modeling, Python, Systems Security
San Francisco, California, United States · On-site
$200k–$330k/yr
Perplexity is seeking an intrepid, polymathic Member of Technical Staff to take on one of the AI industry's most unique engineering roles. You'll work directly with Perplexity's senior leadership to spearhead a broad por…
Skills: Software Engineering, AI Policy, Regulatory Research, Legal Analysis, Privacy Systems
San Francisco, California, United States · On-site
$220k–$405k/yr
Perplexity is seeking energetic engineers to join our highly driven Agents engineering team. The Agents team consists of backend, full-stack, and AI/ML engineers who collaborate to build delightful agentic experiences wi…
Skills: Python, TypeScript, Go, Rust, Context Engineering
London, England, United Kingdom · Hybrid
Perplexity is revolutionizing how people discover and interact with information through AI-powered search and knowledge tools. As we expand our global footprint, we're establishing a strategic presence in London to drive…
Skills: Infrastructure Leadership, AI Infrastructure, Distributed Systems, Cloud Platforms, Kubernetes
San Francisco, California, United States · On-site
$150k–$185k/yr
At Perplexity AI, we are building products that push the boundaries of how people find, reason, and learn information. The scale and speed of our mission demand a team that thrives in environments of rapid iteration and …
Skills: Technical Sourcing, Talent Mapping, AI Automation, Candidate Engagement, Pipeline Management
San Francisco, California, United States · On-site
$100k–$125k/yr
We're looking for a dynamic, highly organized Recruiting Coordinator to help us scale our team without ever compromising on experience. This is a high-velocity role at the heart of our hiring engine. You'll keep dozens o…
Skills: Interview Scheduling, Candidate Experience, Calendar Management, Applicant Tracking Systems, Process Improvement
San Francisco, California, United States · Hybrid
$220k–$290k/yr
Perplexity is revolutionizing how companies get work done, and increasingly, how developers build the next generation of AI-native products on top of our search and answer infrastructure. We are seeking a Product Marketi…
Skills: Product Marketing, Developer Marketing, API Strategy, Technical Storytelling, Campaign Management
San Francisco, California, United States · On-site
$220k–$405k/yr
Perplexity API Platform Perplexity innovates at the frontier of AI infrastructure, search, and orchestration to serve the world's most discerning users. The Perplexity API Platform brings our technology to the world's mo…
Skills: Developer Relations, API Design, Community Building, Technical Writing, Public Speaking
San Francisco, California, United States · Hybrid
$220k–$405k/yr
About the Role The Connector Platform team builds the data layer that lets Perplexity's agents reach into the world's software. This team owns the systems that turn hundreds of heterogeneous integrations (native, MCP, CL…
Skills: System Design, Backend Development, Python, Go, Rust
San Francisco, California, United States · Remote OK
$200k–$400k/yr
Perplexity AI is looking for experienced Generalist Software Engineers to join our Comet and Perplexity native application teams. Our team is reshaping knowledge work through our high-impact Comet and Computer native app…
Skills: Chromium, Rust, Kotlin, Swift, Typescript
San Francisco, California, United States · Hybrid
$220k–$405k/yr
In 2026, we launched Computer, the defining product for the new era of agentic AI. Millions of people now use Perplexity to transform knowledge into action, and every action an agent takes is metered, budgeted, and settl…
Skills: Python, Go, PostgreSQL, DynamoDB, Aws
San Francisco, California, United States · On-site
$300k–$405k/yr
Perplexity API Platform Perplexity innovates at the frontier of AI infrastructure, search, and orchestration to serve the world's most discerning users. The Perplexity API Platform brings our technology to the world's mo…
Skills: Technical Leadership, API Design, Python, Distributed Systems, Performance Optimization
San Francisco, California, United States · On-site
$220k–$405k/yr
Perplexity API Platform Perplexity innovates at the frontier of AI infrastructure, search, and orchestration to serve the world's most discerning users. The Perplexity API Platform brings our technology to the world's mo…
Skills: Python, Go, Rust, API Design, AWS
San Francisco, California, United States • On-site
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Conduct original research to improve the security and privacy of frontier AI systems and translate these findings into practical product improvements. Develop threat models, novel defenses, and evaluation frameworks to protect Perplexity's users and infrastructure.
Requires a PhD or equivalent research experience in Computer Science or a related field with a focus on security and privacy. Candidates must have a track record of publishing at top security conferences and deep expertise in systems or software security.
Perplexity is seeking energetic researchers and engineers to join our Secure Intelligence Institute (SII), Perplexity's flagship research center for advancing security, privacy, and trust in frontier intelligence. SII’s goals are to advance frontier AI security research, translate those advances into concrete improvements in Perplexity's systems, and share knowledge and resources that strengthen the broader AI ecosystem.
As a member of SII, you'll conduct original and impactful research on improving the security and privacy of frontier intelligence systems. Your goal will be to conduct research that is not only rigorous in theory, but practical enough to improve the systems people rely on every day. This work will be informed by the realities of operating general-purpose AI systems used by millions of people and thousands of enterprises, and you'll be expected to translate both your own research and advances from the broader community to practical improvements that protect and defend Perplexity's users.
Develop threat models for emerging attack surfaces in AI-native products, including browser, search, and autonomous agents.
Identify and analyze security and privacy threats across AI systems, infrastructure, and user-facing products.
Develop novel defenses, mitigations, and detection mechanisms for security and privacy in AI-native products.
Build security evaluation frameworks, benchmarks, and datasets to measure the effectiveness of different defense mechanisms.
Partner with Perplexity’s Security Engineering team to translate state of the art research into shipped security features and hardened system architectures.
Collaborate with top-tier academic and industry researchers in SII's external research network.
Publish findings at premier venues and contribute to the broader security research community.
Hold a PhD (or equivalent research experience) in Computer Science, Computer Engineering, or a related field, with a primary focus on security and/or privacy.
Experience publishing at top security conferences (IEEE S&P, USENIX Security, ACM CCS, NDSS) demonstrating original, impactful research contributions.
Deep expertise in one or more of: security of agentic systems, systems security, web and applications security, program analysis, and software security.
Proficiency in Python (bonus points for TypeScript, Go, and/or Rust).
Ability to operate with high independence, willing to dive in and take ownership, and comfortable in a fast-paced environment where research directly informs product.
Clear and concise communcation, translating complex attack narratives into actionable insights for engineering and leadership.
The most powerful answer engine. Powering curiosity with answers backed by up-to-date sources. This is where knowledge begins.
Offices: 115 Sansome St, Suite 900, San Francisco, California 94104, US
The most powerful answer engine. Powering curiosity with answers backed by up-to-date sources. This is where knowledge begins.
Offices: 115 Sansome St, Suite 900, San Francisco, California 94104, US
