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We're hiring software engineers for the Model Behavior team to help shape how Perplexity’s AI products behave: the style of their responses, and the way they use tools, skills, and memory. The team designs prompt and context engineering strategies to deliver high-quality user experiences across multiple domains and models.

This role leads the team behind the AI platforms the whole enterprise relies on — the GenAI tools people use every day and the coding platforms our engineers build on — and the enterprise's self-service AI chat agents for Tier 1 IT and HR support. This is one of the highest-impact roles in the organization. These platforms are how the company gets work done and how our engineers ship code, and we're not dipping our toes in — we're leading the way with a platform of choice, so people reach for th

Headquartered in New York City since 2007, Persistent Systems, LLC is a global communications technology company which develops, manufactures, and integrates a patented and secure Mobile Ad Hoc Networking (MANET) system: Wave Relay®. The company’s industry leading R&D team has designed wireless networking protocols to support their cutting-edge Wave Relay® system and technology. Wave Relay® is capable of running data, video, voice and other applications under the most difficult and unpredictable