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.

Teams Hiring

File Agent

The 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 Growth

The 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.

Growth

The 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.

Agentic Commerce

The Commerce team owns the billing platform that powers monetization across all Perplexity products — from consumer subscriptions and enterprise contracts to the usage-based billing system that is the foundation monetizing Perplexity Computer and our agentic products. We build and scale the abstractions that let product teams launch new paid offerings, run pricing experiments, and convert users into paying customers. As AI agents begin to browse, shop, and transact on behalf of users, the billing platform must keep pace — metering every action in real time, enforcing credit budgets, and settling costs across entirely new interaction models. The Commerce team sits at the core of Perplexity's growth and sustainability.

Core Experience

The Core Experience team designs and builds the refined human‑machine interface at the heart of Perplexity: the core asking experience across web, mobile, Comet and Computer. 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 Events

With 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 slower-moving incumbents. Agentic actions powered by Comet unlock novel consumer experiences such as automated shopping and travel purchases, restaurant reservations, complete travel itineraries planned and booked from scratch, automated investing and financial analysis, and more.

Senior/Staff Platform

The Platform team is the backbone of Perplexity's product reliability, scalability, and performance, enabling every product and AI team to build with confidence. This small, high-impact group builds and maintains critical infrastructure—from backend systems such as authentication, real-time data flows, and service orchestration to frontend frameworks that ensure fast, reliable, and secure user experiences. By setting rigorous standards for code quality, uptime, and developer productivity, the Platform team ensures everyone at Perplexity can innovate at speed on top of a robust, well-architected foundation.

Senior/Staff Data Platform

The Data Platform team builds the backbone for how data is ingested, processed, stored, and served across Perplexity, enabling product features, analytics, experimentation, AI workloads, and the company's data lake. This is a highly technical, high-leverage team responsible for shaping the architecture of our batch and streaming systems, orchestration and observability stack, and self-serve data platform, while making thoughtful use of external platforms like Databricks and Snowflake alongside open-source technologies such as Spark, Kafka, Flink, Airflow, Dagster, dbt, Iceberg, Delta Lake, and ClickHouse. Experience building data products or contributing to open-source data infrastructure is a strong plus.

Senior/Staff DevX

DevX (Developer Experience) empowers engineers across Perplexity to build, ship, and iterate faster than ever. The team owns internal platforms for source control, build, test, and deployment—removing friction from every step of product development. They architect seamless onboarding, blazing-fast CI/CD, and developer tools that unlock creativity and safety at scale. Through deep collaboration and high autonomy, the DevX team amplifies the impact of every engineer, making rapid, reliable innovation possible across the company.

Senior/Staff Cloud Infra

The Cloud Infra team architects and operates the mission-critical cloud infrastructure behind Perplexity's global platform. This team designs and scales compute, storage, and networking systems for high-throughput, low-latency workloads, blending a mix of proactive project work and operational support. The team collaborates closely with product, AI research, security, and the rest of Perplexity's teams to ensure our services are always available, reliable, and as fast as curiosity demands—building infrastructure that grows in lockstep with user and model scale.

Responsibilities

Build scalable systems that ingest and process data from the web, files, and other sources.
Optimize interfaces that interact with databases and caching systems.
Collaborate with PMs, frontend engineers, and other stakeholders to understand product requirements.
Work closely with AI, Search, and Data Science teams to iterate on non-deterministic systems.
Manage a complex orchestration system with many moving parts and interfaces.
Scale, optimize, and load balance multiple services with rapidly changing needs.

Qualifications

Strong experience with Python
Strong experience with databases and caching
Experience with AWS cloud infrastructure at scale
Experience working with high-scale data and non-deterministic systems like LLMs
4+ years of engineering experience

AI is at the heart of what we build, and using it effectively is an expectation for every role here. During interviews, we want to see how you think and make decisions—qualities that will directly influence our AI development. With that in mind, please avoid using AI tools throughout the process unless we indicate otherwise.

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