Member of Technical Staff (Software Engineer, Applied AI)

Perplexity
San Francisco, New York, Palo Alto
Workplace: OnsiteFull timeUSD 210,000 - 385,000 annuallyFunction: Data Science & Machine LearningExperience: 5+ yearsEducation: bachelorsSkills: ["Communication","Collaboration","Problem-solving","Teamwork"]

Applied ML Engineer to design, build, and iterate on cutting-edge AI models powering core experience, focusing on personalization, query understanding, and content discovery. Own end-to-end model lifecycle from research to production, collaborate with engineers, PMs, data scientists, and designers, and stay at the forefront of ML/AI innovations to drive meaningful product improvements for millions of users.

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FursaFursa
Perplexity
Perplexity
11 months ago

Member of Technical Staff (Software Engineer, Applied AI)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 9 hours agoStatus: Live

Job Summary

Applied ML Engineer to design, build, and iterate on cutting-edge AI models powering core experience, focusing on personalization, query understanding, and content discovery. Own end-to-end model lifecycle from research to production, collaborate with engineers, PMs, data scientists, and designers, and stay at the forefront of ML/AI innovations to drive meaningful product improvements for millions of users.
Location: San Francisco, New York, Palo Alto
Workplace: Onsite
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Apply state-of-the-art ML and LLM techniques to solve problems spanning personalization, query understanding, and content discovery.
  • •Rigorously evaluate LLM/ML models with offline and online techniques, designing experiments and metrics to 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.
  • •Collaborate cross-functionally with engineers, PMs, data scientists, and designers to ensure 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.

Pay and Benefits

Salary: USD 210,000 - 385,000 annually
Equity and Bonus:Equity

Key Requirements

  • •5+ years experience building and shipping robust ML/AI models for large-scale, user-facing or data-driven products
  • •Deep expertise in deep learning (PyTorch, TensorFlow, JAX), LLMs, information retrieval, content summarization, recommendation systems, NLP, and/or ranking
  • •Strong software engineering skills (Python, production-quality codebases, collaborative development)
  • •In-depth experience with the full ML lifecycle: data analysis, feature engineering, iterative model development, rigorous evaluation, and ongoing monitoring/improvement
  • •BS, MS, or PhD in Computer Science, Engineering, or related field (or equivalent experience)
Experience:5+ yearsAiMlInformation retrievalNlpRankingLlmsContent discovery
Education:Bachelor's in Computer Science
Skills:CommunicationCollaborationProblem-solvingTeamwork
Languages:English
Tech Stack:PyTorchTensorFlowJAXPythonLLMsNLPInformation retrievalRanking

Company Brief

Perplexity
Perplexity AI provides an AI-powered answer engine that returns conversational, citation-backed answers to user queries and offers Pro/Enterprise products and APIs for research, knowledge work, and search augmentation.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Revenue: USD 50M to 100M
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series D
Headquarters: San Francisco, United States
Founded: 2022
Glassdoor
Glassdoor: 4.6
WebsiteLinkedInGlassdoor