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Backend Software Engineer (Member of Technical Staff)

Perplexity AI

full-remoteseniorpermanentbackend Full remote - London, GB 131 days ago via WTTJ

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Tags

Backend EngineeringPythonDistributed SystemsStreaming PipelinesSystem DesignCloud InfrastructureAWSGCPDatabasesObservability

About the role

Role Overview

Join Perplexity AI as a Backend Software Engineer (Member of Technical Staff). You’ll build foundational backend systems that power core AI products, with emphasis on reliability, scalability, and operational excellence.

Key Responsibilities

  • Design and operate systems that connect models, data, product surfaces, and infrastructure into a reliable large-scale platform.
  • Build and maintain critical backend infrastructure, including:
    • Authentication and authorization systems
    • Real-time data flows
    • Service orchestration
  • Ensure high standards for code quality, system design, and operational excellence.
  • Take end-to-end ownership of what you build, from design through deployment and ongoing operation.

What You’ll Work On

  • Backend teams such as Cloud Infrastructure, Storage Platform, and Backend Platform.

Requirements

  • Strong backend fundamentals and experience building scalable distributed systems in production.
  • Experience with large-scale data systems, streaming pipelines, or orchestration platforms.
  • Deep hands-on experience with:
    • Cloud infrastructure (AWS, GCP, or Azure)
    • Databases (relational and NoSQL)
    • Caching systems
    • Observability tooling
  • Proficiency in Python or similar backend languages (e.g., Go, Rust, Java) and ability to ramp up on new technologies.
  • 4+ years of professional software engineering experience, shipping backend systems used at scale.
  • Ability to thrive when requirements evolve quickly and to collaborate closely with product managers, AI researchers, and cross-functional teams.

Nice to Have

  • Comfort with the performance/reliability/cost tradeoffs inherent in large-scale streaming and orchestration systems.

About Perplexity AI

Perplexity AI is a cutting-edge AI company building products powered by large-scale AI models and data systems. The role focuses on backend engineering that connects models, data, and product experiences through reliable, scalable infrastructure.

Scraped 5/17/2026