Member of Technical Staff (backend Software Engineer)

Perplexity Perplexity · AI Frontier · London, United Kingdom · Platform & Infrastructure

Infrastructure Engineer role focused on building and scaling the systems that support AI product development and deployment. The role involves designing, implementing, and maintaining tools, systems, and platforms for web, mobile, and browser engineers, ensuring reliability, security, and performance. Specific teams include Platform, DevX, and Cloud Infra, all contributing to the backbone of Perplexity's product and AI capabilities.

What you'd actually do

  1. Leading the design, implementation, and scaling of tools, systems, and platforms that empower web, mobile, and browser engineers to build state-of-the-art products.
  2. Play a critical role in enabling our product, AI, and developer teams to innovate quickly while ensuring reliability, security, and performance at scale.
  3. Builds and maintains critical infrastructure—from backend systems such as authentication, real-time data flows, and service orchestration to frontend frameworks that ensure fast, reliable, and secure user experiences.
  4. Owns internal platforms for source control, build, test, and deployment—removing friction from every step of product development.
  5. Designs and scales compute, storage, and networking systems for high-throughput, low-latency workloads, blending a mix of proactive project work and operational support.

Skills

Required

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

What the JD emphasized

  • scaling
  • high-throughput, low-latency workloads