
Member of Technical Staff (Site Reliability Engineer, Crawler)
Perplexity3 days ago
London, United KingdomSenior
Responsibilities
- Operate and optimize Kubernetes workloads and supporting infrastructure for crawler fetching and rendering services.
- Build and maintain infrastructure as code and CI/CD pipelines with safe rollouts, validation, and fast rollback.
- Define SLOs and build monitoring, alerting, and observability for availability, latency, throughput, and resource saturation.
- Own capacity planning and resource efficiency while diagnosing queue backlogs, network failures, and resource bottlenecks.
- Participate in on-call rotations, lead incident response, and convert blameless postmortems into durable reliability improvements.
- Write production software to automate diagnosis and routine remediation with validation and approval gates for high-impact actions.
Requirements
- At least 5 years of experience in SRE, production engineering, or infrastructure-heavy backend roles.
- Strong programming skills in Python, C++, Rust, or Go.
- Hands-on experience with cloud infrastructure, production Kubernetes, infrastructure as code such as Terraform, and automated deployment workflows.
- Strong Linux and networking fundamentals, including TCP/IP, DNS, TLS, HTTP, and load balancing.
- Experience building observability with Datadog, Prometheus, or Grafana and using SLOs to guide reliability improvements.
- Proven ability to diagnose distributed-system failures, lead production incidents, and improve system performance or resource efficiency.
- Experience operating web crawlers, search infrastructure, or browser fleets at scale is a plus.
- Experience with distributed queues, backpressure, workload isolation, or multi-region recovery is a plus.
About Perplexity
Perplexity builds an AI-powered answer engine for web and mobile and an enterprise product, Perplexity Computer, for AI-driven workflows across tools and apps. The company monetizes through individual subscriptions (Perplexity Pro) and enterprise plans. Founded in 2022 and headquartered in San Francisco, it operates as a privately held company.