Member of Technical Staff (Software Engineer, Fraud Prevention)
Perplexity AI · London · Belgrade
Applied AIremote
At a glance
Highlights
- Own fraud services end to end from design to production operations.
- Build real-time decisioning platform for fraud detection and prevention.
- Make abuse expensive while keeping legitimate usage frictionless.
Ideal candidate
Ownership-driven engineer who thrives operating critical production systems, ships incrementally and measures impact, and is motivated to make fraud expensive while keeping products frictionless.
Requirements
- 5+ years building and operating high-throughput, latency-sensitive backend systems
- Strong systems programming skills in Rust, Go, or C++
- Hands-on experience with Kubernetes, Terraform and cloud infrastructure
- Solid data fundamentals across stream/batch, caching and storage trade-offs
- Pragmatic ownership-driven approach with incremental shipping and safe failure handling
Lab profile
About Perplexity AI
Builds AI search answers and agentic Computer to turn knowledge into action.
What they build
- Perplexity AI answer engine
- Perplexity Computer agentic assistant
- Comet AI browser and desktop apps
Known for
- Agentic AI and agent capabilities
- Applied AI product engineering
- Cross-platform apps across web, mobile and desktop
- Multimodal AI and integrations
Key facts
- Founded in 2022
- Headquartered in San Francisco, California
- Serves millions of users daily
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