Staff/Senior Software Engineer - Infrastructure

at Perplexity AI
📍 London, United Kingdom
📍 New York City, United States
📍 Palo Alto, United States
📍 San Francisco, United States
USD 200,000-300,000 per year
SENIOR
✅ On-site

SCRAPED

Used Tools & Technologies

Not specified

Required Skills & Competences ?

Security @ 4 Go @ 4 Redis @ 4 TypeScript @ 4 Python @ 4 GitHub @ 4 CI/CD @ 4 Hiring @ 4 AWS @ 4 FastAPI @ 4 Networking @ 4 PostgreSQL @ 4 React @ 4 API @ 4

Details

Perplexity is an AI-powered answer engine founded in December 2022 and growing rapidly as one of the world’s leading AI platforms. Perplexity has raised over $1B in venture investment and powers hundreds of millions of queries per month.

Perplexity is looking for experienced Infrastructure Engineers to join a small team revolutionizing the way people search and interact with the internet. You will lead the design, implementation, and scaling of tools, systems, and platforms that empower web, mobile, and browser engineers to build state-of-the-art products. You will play a critical role in enabling product, AI, and developer teams to innovate quickly while ensuring reliability, security, and performance at scale.

Responsibilities

  • Lead design, implementation, and scaling of infrastructure tools, systems, and platforms that enable product and engineering teams.
  • Build and maintain critical backend systems such as authentication, real-time data flows, and service orchestration.
  • Develop frontend frameworks and developer-facing tooling to ensure fast, reliable, and secure user experiences.
  • Improve developer productivity by owning internal platforms for source control, build, test, and deployment (CI/CD), onboarding, and developer tools.
  • Architect and operate cloud infrastructure for high-throughput, low-latency workloads, including compute, storage, and networking.
  • Design and secure high-performance APIs used by internal teams, user-facing apps, and third parties.
  • Collaborate deeply with product, AI research, security, and other engineering teams to maintain availability, reliability, and performance at scale.

Teams Hiring (focus areas)

  • Platform: backend systems, frontend frameworks, authentication, real-time data flows, service orchestration, developer productivity and reliability standards.
  • DevX (Developer Experience): source control, build, test, deployment, CI/CD, onboarding, and internal developer tooling.
  • Cloud Infra: cloud architecture and operations for compute, storage, and networking to support high-throughput, low-latency workloads.
  • API: design, build, secure, and document high-performance APIs for internal and external use.

Tech Stack

  • Python, Go, TypeScript
  • PostgreSQL, DynamoDB, Redis
  • FastAPI, React
  • Bazel, GitHub
  • AWS

Requirements

  • Experienced infrastructure engineer capable of designing and scaling systems and developer platforms.
  • Experience or familiarity with technologies listed in the tech stack and with building reliable, secure, and performant infrastructure.
  • Strong collaboration with product, AI, security, and other engineering teams.

(Notes: the posting lists the technologies and team responsibilities above; specific years of experience, degrees, or certifications were not specified in the original listing.)

Benefits

  • Cash compensation range: $200,000 - $300,000
  • Equity may be part of the total compensation package
  • Comprehensive health, dental, and vision insurance for you and your dependents
  • 401(k) plan