Perplexity · 2 weeks ago
AI Software Engineer - Comet Agents
San Francisco, CA
Full-time
Onsite
Mid, Senior Level
$210K/yr - $385K/yrPerplexity is seeking an energetic engineer to join their Comet Agents engineering team, which focuses on building AI agent experiences. The role involves designing AI agents, training models, and collaborating with various teams to enhance user interactions across multiple platforms.
Artificial Intelligence (AI)ChatbotMachine LearningNatural Language ProcessingSearch Engine
Responsibilities
Drive cutting-edge AI capabilities across multiple layers of a rapidly growing product in the AI agents space
Develop and leverage cutting-edge AI models, infrastructure, and browser technologies to advance the capability frontier and scale those capabilities for a rapidly growing userbase
Ensure a high craft and quality bar, in both AI agent performance and user experience
Collaborate with fellow engineers, designers, product managers, data scientists, and others across the company to integrate core Perplexity functionality into Comet agents and vice-versa
Contribute to product reliability, code quality, AI evaluation, testing, and maintenance across the broader team
Qualification
Required
Strong foundational familiarity with the full AI product stack
Proficiency in Python (bonus points for TypeScript, Go, and/or Rust)
Significant experience in at least one of the following areas: Context engineering and tool interfaces for frontier AI models, Post-training and reinforcement learning (particularly for multimodal models), Browser technologies (CDP, Playwright, extension development, etc.)
Strong product intuition and taste for user experience excellence
Comfortable working with a small, fast-moving team, must be willing to dive in and take ownership
A passion for shipping products that surprise and delight
Company
Perplexity
Perplexity is an AI-powered answer engine designed to provide accurate, real-time responses to user queries.
Founded in 2022
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
2026-01-24
2026-01-24
Android Headlines
2026-01-22
Company data provided by crunchbase