Member of Technical Staff (AI Researcher)

Perplexity
San Francisco, Palo Alto
Workplace: OnsiteFull timeUSD 210,000 - 470,000 annuallyFunction: Research & Scientific (R&D)Skills: ["Python","PyTorch","Megatron","Reinforcement learning","SFT"]

Seeking AI Research Scientists and Engineers to advance AI-powered search and agent capabilities. Work across three teams (Core Research, Agent Products, Comet Agent) to develop base models, fine-tune architectures, and build scalable training/inference pipelines. Collaborate with product and engineering teams to deploy SOTA LLMs, optimize personalization, and push the boundaries of large-scale AI systems used by millions of queries.

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FursaFursa
Perplexity
Perplexity
11 months ago

Member of Technical Staff (AI Researcher)

✓ Verified Job

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

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

Job Summary

Seeking AI Research Scientists and Engineers to advance AI-powered search and agent capabilities. Work across three teams (Core Research, Agent Products, Comet Agent) to develop base models, fine-tune architectures, and build scalable training/inference pipelines. Collaborate with product and engineering teams to deploy SOTA LLMs, optimize personalization, and push the boundaries of large-scale AI systems used by millions of queries.
Location: San Francisco, Palo Alto
Workplace: Onsite
Employment Type: Full time
Job Function: Research & Scientific (R&D)

Key Responsibilities

  • •Turn research ideas into algorithms and run experiments to launch new models.
  • •Own full-stack data, training, and evaluation pipelines required for model development.
  • •Build robust and effective training frameworks (on top of Megatron/PyTorch) for post-training LLMs.
  • •Implement necessary infrastructure and components to support cutting-edge model training at scale.
  • •Collaborate with engineering teams to integrate models into Perplexity's product suite.

Pay and Benefits

Salary: USD 210,000 - 470,000 annually
Equity and Bonus:Equity

Key Requirements

  • •Proven experience with large-scale LLMs and Deep Learning systems
Experience:AIMachine learningLLMsDeep learning
Skills:PythonPyTorchMegatronReinforcement learningSFT
Tech Stack:PythonPyTorchMegatronCUDA

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