Applied AI Engineer - Full Stack jobs in United States
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Perplexity · 5 hours ago

Applied AI Engineer - Full Stack

positionUnited States
timeFull-time
remoteRemote
seniorityMid, Senior Level
money$200K/yr - $300K/yr
date4+ years exp

Perplexity is seeking full stack applied AI engineers to revolutionize the way people search and interact with information online by building next generation AI products and frontier models. In this role, you'll build scalable and innovative E2E solutions which powers Perplexity’s wide span of AI applications, including discovery, research agents, eval platforms, monetization and integration with different 3rd party and Sonar LLMs.

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

Responsibilities

Design and deliver scalable, end-to-end AI features that power core user experiences such as discovery, deep research, and monetization across Perplexity’s products
Build and evolve full stack systems that integrate multiple third-party and in-house Sonar models, ensuring seamless orchestration, robustness, and observability in production
Develop and maintain evaluation and experimentation platforms to measure answer quality, model performance, and product impact, supporting both online and offline workflows
Collaborate closely with research, product, design, and infra teams to translate frontier model capabilities into shipped user-facing features and internal tools
Continuously improve performance, reliability, and cost efficiency of AI-powered applications through thoughtful system design, instrumentation, and iteration

Qualification

Production AI applicationsBackendSystems designModern web stacksIntegration with LLM APIsSelf-directedHigh agencyImpactful product work

Required

Hands-on experience building production AI or agentic applications end to end, including tool calling, context engineering, and integration with modern LLM APIs
Strong backend and systems design skills, with a track record of making practical tradeoffs between cost, latency, reliability, and quality in real-world systems
Proficiency with modern web or product stacks (e.g., Python plus a frontend framework) and comfort working across the stack from data and infra to UI
Self-directed and high agency, with 4+ years of industry experience in software or AI engineering and a bias toward shipping impactful product work

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