AI Software Engineer - Comet Agents jobs in United States
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Perplexity · 1 day ago

AI Software Engineer - Comet Agents

positionSan Francisco, CA
timeFull-time
remoteOnsite
seniorityMid, Senior Level
money$200K/yr - $300K/yr

Perplexity is seeking an energetic engineer to join their Comet Agents engineering team, which focuses on building AI agents that enhance user interactions within their Comet ecosystem. The role involves designing AI agents, training models, and developing secure agentic capabilities to provide excellent user experiences across various platforms.

Artificial Intelligence (AI)ChatbotMachine LearningNatural Language ProcessingSearch Engine
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H1B Sponsor Likelynote

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

AI product stackPythonPost-training learningContext engineeringBrowser technologiesUser experience excellenceProduct shipping passionTeam collaboration

Required

Strong foundational familiarity with the full AI product stack
Proficiency in Python
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

Preferred

TypeScript
Go
Rust
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.)

Company

Perplexity

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Perplexity is an AI-powered answer engine designed to provide accurate, real-time responses to user queries.
dateFounded in 2022
location
San Francisco, California, USA
people-size201-500 employees
web-link
https://www.perplexity.ai

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 Stage
Total Funding
$1.48B
Key Investors
Cristiano RonaldoNuVenturesAccel
2025-12-05Undisclosed
2025-09-10Series Unknown· $200M
2025-08-15Secondary Market

Leadership Team

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Aravind Srinivas
Cofounder, President, CEO
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Denis Yarats
Co-Founder & CTO
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Company data provided by crunchbase