Member of Technical Staff (Software Engineer, Model Platform)

Perplexity
San Francisco, Palo Alto
Workplace: HybridFull timeUSD 220,000 - 405,000 annuallyFunction: Software EngineeringExperience: 2+ yearsEducation: bachelorsSkills: ["Ownership","Product judgment","Collaboration","Craftsmanship"]

Build and evolve the core agent harness that powers Perplexity’s flagship answer experience. Apply single- and multi-agent engineering to improve orchestration, context management, performance, and reliability. Help establish reliable agents at global scale through strong observability, rigorous evaluation, and developer experience that enables failures to be reproduced and fixed autonomously. The harness also supports training and evaluation of new models via a tight feedback loop from production to model improvement.

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Perplexity
Perplexity
2 days ago

Member of Technical Staff (Software Engineer, Model Platform)

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Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Build and evolve the core agent harness that powers Perplexity’s flagship answer experience. Apply single- and multi-agent engineering to improve orchestration, context management, performance, and reliability. Help establish reliable agents at global scale through strong observability, rigorous evaluation, and developer experience that enables failures to be reproduced and fixed autonomously. The harness also supports training and evaluation of new models via a tight feedback loop from production to model improvement.
Location: San Francisco, Palo Alto
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Evolve the core agent harness that powers Perplexity’s flagship answer experience.
  • •Apply single- and multi-agent engineering paradigms to build and improve the agent.
  • •Translate user needs and quantitative insights into improvements to orchestration, context management, performance, and reliability.
  • •Drive observability, rigorous evaluation, and developer experience so failures are easy to reproduce and fix autonomously (e.g., via autoresearch).
  • •Use the harness to power training and evaluation of new models, creating a feedback loop between production and model improvement.

Pay and Benefits

Salary: USD 220,000 - 405,000 annually
Equity and Bonus:Equity

Key Requirements

  • •2+ years building and shipping large-scale AI systems and services with high reliability, availability, and performance.
  • •Strong software engineering craft focused on developer experience and future-proof system design.
  • •Proficiency with Python.
  • •BS, MS, or PhD in Computer Science, Engineering, or related fields (or equivalent experience).
  • •Bonus: familiarity with Rust and cloud infrastructure (AWS, Kubernetes).
Experience:2+ yearsAI systemsLarge-scale services
Education:Bachelor's in Computer Science, Engineering, or related fields
Skills:OwnershipProduct judgmentCollaborationCraftsmanship
Tech Stack:PythonRustAWSKubernetes

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