Software Engineer - Agent Infra at Perplexity AI

Palo Alto, California, United States

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Not SpecifiedCompensation

Senior (5 to 8 years)Experience Level

Full TimeJob Type

UnknownVisa

AI, TechnologyIndustries

Requirements

6+ years of industry experience building large scale systems or platforms
Experience building agent applications with tool calling, context engineering, or open connector integrations
Strong coding skills in one or more of: Python, Java, Go. Comfortable with service design, APIs, and data models for high throughput systems
Working knowledge of containers, virtualization, and sandboxing. Familiar with metrics, tracing, on call, and incident practices
Bias to own problems across layers, collaborate in fast moving teams, and ship

Responsibilities

Design and implement a highly reliable and scalable agent runtime: orchestration, shared state and memory, tool calling interfaces, and scheduling for cost, latency, and quality
Build secure sandboxed execution for agent actions and code. Optimize cold start, isolation, and observability
Ship unified interfaces for multiple model sizes and providers. Integrate with open tool ecosystems such as MCP style connectors for data and actions
Develop an evaluation platform for online and offline assessments, A/B tests, safety checks, and regression gates that improve agent reliability over time
Partner with Research, Inference, and Search to land new agent capabilities end to end, from prototype to production

Skills

Key technologies and capabilities for this role

tool callingcontext engineeringorchestrationsandboxed executionobservabilityevaluation platformA/B testinglarge scale systemsagent runtimemodel integration

Questions & Answers

Common questions about this position

What is the cash compensation range for this Software Engineer role?

The cash compensation range is $200,000 - $300,000, with final offers determined by factors like experience and expertise.

Is this Software Engineer position remote or does it require office work?

This information is not specified in the job description.

What skills are required for the Software Engineer - Agent Infra role?

Candidates need 6+ years building large scale systems, experience with agent applications involving tool calling or integrations, strong coding in Python, Java, or Go, and knowledge of containers, virtualization, sandboxing, metrics, tracing, and on-call practices.

What is the company culture like at Perplexity AI?

Perplexity emphasizes collaboration in fast-moving teams, a bias to own problems across layers, and shipping quickly, within a rapidly growing AI platform driven by curiosity.

What makes a strong candidate for this Software Engineer position?

Strong candidates have 6+ years of experience building large-scale systems, agent application expertise, proficiency in Python, Java, or Go, and a proactive approach to owning problems and collaborating in fast-paced teams.

Perplexity AI

Advanced answer engine providing reliable information

About Perplexity AI

Perplexity AI provides an advanced answer engine that delivers accurate and reliable responses to user queries. The platform uses current sources to ensure the information is both precise and relevant. It caters to a wide audience, including individuals looking for quick answers and businesses needing detailed information. Unlike many competitors, Perplexity AI emphasizes high-quality, source-backed answers, making it a valuable resource for users seeking trustworthy data. The company's goal is to meet the increasing demand for immediate access to reliable information, generating revenue through subscription fees, advertising, and partnerships.

San Francisco, CaliforniaHeadquarters

2022Year Founded

$890MTotal Funding

LATE_VCCompany Stage

Data & Analytics, Consumer SoftwareIndustries

201-500Employees

Benefits

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Company Equity

Risks

Pending copyright infringement class action poses legal and financial challenges.

Competition from Google's AI Mode could impact user retention and market share.

Otterly.AI's brand visibility tool may pressure Perplexity to maintain high performance.

Differentiation

Perplexity AI integrates large language models with search engines for precise responses.

The platform offers an open-source environment, enhancing public access to AI tools.

Perplexity's strategic acquisition of Carbon boosts its data connectivity capabilities.

Upsides

Partnership with Tripadvisor enhances travel planning with personalized recommendations.

$500M funding round increases valuation to $9 billion, supporting growth and innovation.

Integration with FactSet attracts financial clients with enhanced data accessibility.

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