Perplexity · 3 hours ago
Software Engineer, AI Platform
Palo Alto, CA
Full-time
Onsite
Senior Level
$210K/yr - $385K/yr
5+ years expPerplexity is seeking an experienced Software Engineer focusing on building the next-gen AI Foundation & Platform to help revolutionize the way people search and interact online. In this role, you'll help build Perplexity’s end-to-end AI data, evaluation and personalization infrastructure and flywheel which powers almost all agent products.
Artificial Intelligence (AI)ChatbotMachine LearningNatural Language ProcessingSearch Engine
Responsibilities
Collaborate closely with AI Product, Applied ML, Post-Training, and Data Science teams to design, build, and maintain scalable data pipelines and data lakes
Develop high-performance infrastructure that powers personalization features including memory, discover, and agentic products
Create a scalable, multi-modal evaluation platform for all Perplexity AI products, including personalization, pro search, labs, deep research, and Comet
Design tools and abstractions on foundational infrastructure to enhance personalization, analytics, recommendations, AI products, and post-training capabilities
Holistically improve engineering foundation to support rapid growth of Perplexity products and international user base
Qualification
Required
Strong programming and data engineering skills, with proficiency in open source & distributed framework(AWS, Spark, Flink, Iceberg, DynamoDB)
Familiarity with cloud-based data services (e.g., AWS, RDS, DynamoDB), containerized infrastructure (e.g., EKS, Docker), and data streaming (Flink, Spark streaming, CDC)
Strong quantitative and engineering skills with experience in estimating performance at high scale
Experience supporting various ML/AI engineering teams to build scalable frameworks to accelerate R&D for frontier models and AI products
Experience iterating on improving LLM responses and set up proper evaluation framework or Judges to analysis performance holistically
Self-motivated with a strong sense of ownership of systems and designs
5+ years of industry experience in distributed systems or AI infrastructure
Company
Perplexity
Perplexity is an AI-powered answer engine designed to provide accurate, real-time responses to user queries.
201-500 employees
H1B Sponsorship
Perplexity has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (12)
2024 (7)
2023 (2)
Funding
Current Stage
Late StageTotal Funding
$1.48BKey Investors
Cristiano RonaldoNuVenturesAccel
2025-12-05Undisclosed
2025-09-10Series Unknown· $200M
2025-08-15Secondary Market
Leadership Team
Aravind Srinivas
Cofounder, President, CEO
Denis Yarats
Co-Founder & CTO
Recent News
2026-01-16
Business News: Pasadena Star-News
2026-01-16
Company data provided by crunchbase