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Perplexity
Member Of Technical Staff
London, Belgrade · Hybrid · Full time · Mid level
About the role
Protect products, users, and infrastructure from fraud and abuse across the lifecycle. Own services end to end and collaborate with fraud analysts, ML engineers, and product teams.
What you’ll do
• Design and operate backend services for fraud detection. • Build data pipelines and real-time feature computation. • Collect and process trust signals. • Integrate fraud decisions into product and payment flows. • Own reliability of production services and incident response.
What you’ll bring
• 5+ years in high-throughput backend systems. • Strong systems programming skills in Rust, Go, or C++. • Experience with Kubernetes, Terraform, cloud infrastructure. • Solid data fundamentals in stream and batch computations. • Ownership-driven approach with incremental shipping.