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Member of Technical Staff (Software Engineer, Applied AI)

Perplexity· AI Research & Systems
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San Francisco, Palo Alto, New York City$220k - $405kFull-timePosted 11mo ago

About the role

Applied AI Engineer to design, build, and iterate on agents powering Perplexity Computer, focusing on frontier context layer applications and helping millions of users through context-aware ML/LLM solutions.

Responsibilities

  • Apply state-of-the-art ML and LLM techniques to solve problems spanning: Personalization (LLM memory, context summarization, retrieval and ranking); Contextual recommendations and Monetization applications; Build frontier agent capabilities on top of Perplexity Computer
  • Build auto research harness for offline and online techniques, designing experiments and metrics that provide deep insight into quality and impact
  • Own the entire model lifecycle from research to production: data analysis, modeling, evaluation, offline/online A/B testing, and iterative improvement and build autonomous harness for agent squad to explore different problem spaces
  • Collaborate cross-functionally with engineers, PMs, data scientists, and designers to ensure our AI drives meaningful product improvements
  • Stay at the forefront of ML/AI innovation by evaluating and incorporating emerging research and algorithms into the product lifecycle.

Qualifications

  • 5+ years experience building and shipping robust AI products for large-scale, user-facing or data-driven products
  • Strong software engineering skills (Python, production-quality codebases, collaborative development) and experience using agentic coding tools for large scale parallel developments
  • In-depth experience with the full AI lifecycle: data analysis, rigorous evaluation, and ongoing monitoring/improvement
  • Proven collaborator and communicator; excels in high-velocity, cross-functional teams
  • Curious, driven by end-user/product impact, and passionate about advancing the state of applied ML and AI
  • BS, MS, or PhD in Computer Science, Engineering, or related field (or equivalent experience)

Skills

Required:PythonAgentic coding toolsFull AI lifecycleCommunication and collaboration

Benefits

  • Full-time U.S. benefits program including equity, health, dental, vision, retirement, fitness, commuter and dependent care accounts, and more
  • International benefits tailored to region of residence
Last updated Sep 9, 2026. Interested? Apply on the company site.

About Perplexity

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Company profileWebsite

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