Backend Software Engineer

Perplexity is looking for an experienced Backend Engineer to join our small team revolutionizing the way people search and interact with the internet. You will be responsible for leading design, implementation, and scaling of backend systems that power web, mobile, and browser products.Tech Stack: Python | Go | Rust | TypeScript | FastAPI | PostgreSQL | Redis | Docker | vLLM | AWS Teams HiringFile AgentThe File Agent team builds and owns the intelligent, scalable, and secure platform that enables agentic file editing and processing across Perplexity products. They design the infrastructure and APIs that allow agents to autonomously modify, restructure, and generate files across formats and storage systems. The team delivers capabilities and performance improvements for both human-in-the-loop and automated file processing.Enterprise GrowthThe Enterprise Growth team builds the core platform capabilities that make Perplexity a secure, reliable, and adoption-driving product for enterprise customers, owning end-to-end experiences across enterprise authentication (SSO, SCIM, RBAC), org creation and onboarding (white-glove and self-serve flows, invitations, discovery of existing orgs), and admin control and visibility (feature/model/connector controls, Comet controls, audit logs, usage analytics, and growth-related upsell surfaces) to ensure enterprises can confidently deploy Perplexity at scale and realize measurable business impact.GrowthThe Growth team shapes how millions of people experience Perplexity. We rapidly experiment and launch new ideas across all user-facing surfaces at Perplexity including onboarding, verticals like Students, and premium Max Tier. We build AI-powered features such as personalized prompts, auto-generated study guides, and contextual upsell nudges, driving user activation, retention, and revenue across all platforms. We own Perplexity’s growth platform, including experimentation framework, feature flagging, and notifications, to mobilize impactful feature development across the company. Engineers have outsized impact, building both the product and the platform that power our company’s growth.CommerceThe Commerce team owns the full commerce stack: payments infrastructure, agentic commerce capabilities, and emerging monetization opportunities as we explore what's possible. The team builds and scales billing infrastructure across consumer subscriptions, enterprise plans, API usage (Sonar), and premium features. We also develop and maintain secure, scalable systems—including agentic payments that autonomously interact with payment platforms—ensuring reliable financial transactions for millions of users worldwide. By shaping both user experience and revenue infrastructure, the Commerce team sits at the core of Perplexity’s growth and sustainability.Core ExperienceThe Core Experience team designs and builds the refined human‑machine interface at the heart of Perplexity: the core asking experience across web, mobile, and Comet. We own the cross-platform foundations that make querying feel effortless—expressive UX patterns, tight frontend interactions, and clear information hierarchy—while maintaining the clean abstractions and performant APIs that client platform teams rely on. This team is engineering-led and highly technical, working closely with platform owners to solve hard cross-cutting problems and uphold uncompromising standards for design, architecture, and craft. We obsess over core quality—latency, reliability, and extensibility—so Perplexity stays fast, consistent, and scalable as LLMs and agents evolve.Live EventsWith AI-powered exploration and browsing, personalization and memory, live data visualization, comparison, and checkout, Perplexity is reimagining the consumer experience across verticals such as travel, shopping, health, real estate, finance, sports, live events and ticketing, and more. Each of these verticals represents an opportunity for Perplexity to disrupt massive markets dominated by ... (truncated, view full listing at source)