Perplexity AI

Perplexity is seeking experienced ML engineers to design, build, and optimize recommendation systems that power core experiences. We are reimagining recommendation systems for the LLM era, combining frontier LLMs, personalization context from product usage, and modern recommendation system capabilities. Our systems draw on past context and connected data sources to deeply understand user needs and recommend actions that help them get the most out of Perplexity. We value craftsmanship, ownership, entrepreneurship, scholarship, and partnership.

Perplexity is seeking a growth engineer to join their team and own product loops that drive user discovery, adoption, and habit formation around their AI experiences. This role involves working across the entire user funnel, from activation and onboarding to retention and paid upgrades, while also developing applied AI systems to enhance these experiences. Engineers will manage end-to-end projects, including training and deploying classifiers to identify high-intent users, personalizing value discovery, and integrating new AI capabilities to achieve measurable adoption and revenue outcomes. The growth team collaborates closely with product, design, data science, and applied AI teams, translating behavioral signals and model outputs into robust product surfaces. This position offers the opportunity to move fast, run numerous experiments concurrently, and take full ownership of outcomes in a fast-growing startup environment.

The Storage Platform team is responsible for the infrastructure that enables Perplexity to persist, retrieve, and manage data across all systems. This team ensures high availability, performance, and cost-efficiency for all products and AI workloads. They manage the full spectrum of storage technologies, including relational databases, vector databases, custom storage solutions, and the associated tooling for provisioning, monitoring, and optimization at scale. By building robust abstractions and maintaining operational excellence in storage, the team allows other engineers to concentrate on product innovation, confident in the speed, reliability, and accessibility of their data.

The Cloud Infrastructure team is responsible for the foundational cloud primitives and deployment models that power Perplexity's products. This includes multi-tenant public cloud solutions as well as single-tenant and on-premises options for enterprise clients. As Perplexity expands its Computer and Enterprise products, this team will build and manage the security, isolation, and compliance layers essential for customer trust. They provide the deployment topologies, multi-region infrastructure, and core services that ensure Perplexity operates reliably and efficiently for both consumer traffic and large enterprises.

Perplexity is seeking a Member of Technical Staff (Software Engineer, Monetization) to own the critical billing platform and monetization systems that power their agentic AI products, including Computer. This role is foundational to Perplexity's revenue streams, responsible for metering agent actions, enforcing credit budgets, and settling costs. You will design and build abstractions that enable product teams to easily introduce new SKUs, run pricing experiments, and convert users to paying customers, ensuring all revenue paths are reliable, observable, and extensible across subscriptions, usage-based billing, and enterprise contracts.

Perplexity is seeking builders to join its highly leveraged engineering team to create innovative products that accelerate human productivity. As an engineer, you will build products and systems that define how AI empowers humans to think, decide, and act. You will ship fast and work across product, infrastructure, and frontier-level advancements in technology, focusing on craftsmanship, ownership, entrepreneurship, scholarship, and partnership. This role is for individuals who identify problems, design solutions, and ship them, acting with urgency and a founder's mindset to deliver for users.

Perplexity is seeking product managers to join a small, highly leveraged team focused on building innovative products that accelerate human productivity. Building on the success of Computer, a defining product for the new era of agentic AI, we are transforming how millions of users interact with AI for research, shopping, investing, and curiosity, moving towards a paradigm where AI translates knowledge into action. Product managers will collaborate closely with design and engineering, concentrating on the core Computer and search experience. The ideal candidate will possess strong communication and writing skills, the ability to envision innovative technology, and a drive to reimagine work for greater efficiency and creativity. A passion for a specific industry, where you can act as a domain expert and drive innovation, is highly valued.

Perplexity is seeking a Member of Technical Staff to join the Answer Quality team. This role focuses on building and improving the technical foundations that support answer quality across Perplexity's LLM-first search engine. You will develop evaluation systems that are fast, reliable, production-faithful, and actionable, including shared evaluation infrastructure and a platform for replaying and analyzing agent traces. You will collaborate with data scientists, engineers, and product teams to identify quality issues, measure their impact, and translate findings into product enhancements, directly shaping how Perplexity measures and improves answer quality.

We are seeking an AI Infrastructure Engineer to join our expanding team. In this role, you will collaborate closely with our Inference and Research teams to construct, deploy, and enhance our extensive AI training and inference clusters. Your work will involve managing Kubernetes and Slurm environments, optimizing distributed training for large language models, and developing robust orchestration systems. This position offers the opportunity to significantly impact the performance and scalability of our AI infrastructure.

We are seeking an AI Infrastructure Engineer to join our expanding team. In this role, you will collaborate closely with our Inference and Research teams to construct, deploy, and enhance our large-scale AI training and inference clusters. Our work involves Kubernetes, Slurm, Python, C++, PyTorch, and primarily operates on AWS.

We are seeking an engineer to join our team responsible for building and running the inference engine behind Perplexity's queries. This role involves deploying dozens of model architectures at scale, managing tight latency and cost budgets, and working with a stack including Rust, Python, CUDA, and CuTe DSL. You will contribute to supporting new models, migrating GPU kernels, developing a Rust-native serving runtime, optimizing performance, and enhancing reliability and observability.

We are seeking an AI Inference Engineer to join our dynamic team. This role is central to Perplexity's operations, as you will build and manage the inference engine that powers every query. You will deploy a variety of model architectures at scale, focusing on meeting stringent latency and cost requirements. Our technology stack includes Rust, Python, CUDA, and the CuTe DSL.

Perplexity is seeking a Search Machine Learning Engineer Intern to contribute to the development of next-generation search technologies, specifically focusing on retrieval and ranking. This internship offers a hands-on opportunity to collaborate with experienced engineers, enhance search quality, experiment with novel models, and implement features that directly influence user search and information discovery experiences. The program is designed for a 12-24 week full-time engagement, conducted in person at our London office.

$12k - $24k

Perplexity is seeking an IT Systems Administrator to join our San Francisco office. This is a high-impact role focused on building and automating the technology infrastructure that supports our fast-growing company. You will leverage Perplexity's AI tools to create automations, custom skills, and IT workflows that reduce repetitive tasks and improve efficiency. The goal is to move beyond simply responding to tickets and instead proactively eliminate them through intelligent systems and automation.

Perplexity is looking for a skilled Offensive Security Engineer to join its security team. This role involves taking an adversarial approach to protect Perplexity's infrastructure, applications, and AI systems. You will be responsible for planning and executing red team operations, penetration tests, and attack simulations across various environments, including cloud infrastructure, web and mobile applications, and the AI/ML pipeline. The goal is to identify vulnerabilities before malicious actors do and collaborate with engineering teams to ensure effective remediation.

Perplexity is seeking a Data Scientist to translate product questions into clear, actionable decisions. This role involves collaborating across product, engineering, growth, design, and user research teams to analyze user behavior, establish key metrics, design experiments, and identify high-impact opportunities for the company. The data team operates with an AI-native approach, leveraging AI tools to enhance analysis, coding, hypothesis exploration, documentation, and workflow automation. The core of the role emphasizes critical judgment in asking the right questions, selecting appropriate metrics, designing effective tests, and determining when findings are sufficient to guide action.

Perplexity is seeking an Analytics Engineer or Data Engineer to build the foundational systems for an AI-native data organization. This role involves designing and maintaining core data models, pipelines, semantic layers, data quality systems, and governance practices that empower the entire company. You will ensure these systems are secure, privacy-aware, and accessible to AI agents, data scientists, and other stakeholders, enabling strategic decision-making and efficient operations with trusted data. The ideal candidate operates at the intersection of analytics engineering, data engineering, data governance, and internal product development, with a strong focus on dimensional modeling, dbt standards, cost-aware warehouse design, and data trustworthiness, while believing AI can enhance the data stack's speed, maintainability, and accessibility.

Perplexity is seeking a Search Machine Learning Engineer Intern to contribute to the development of next-generation search technologies, with a specific emphasis on retrieval and ranking. Interns will collaborate with seasoned engineers to enhance search quality, explore novel models, and implement features that directly influence user search and information discovery experiences. This internship program offers a duration of 12-24 weeks, operating on a full-time or part-time basis, and requires in-person attendance at our Belgrade office.

$12k - $24k

Perplexity is looking for a hands-on Software Engineer to develop and enhance the software, automations, and systems that support our security operations. This role involves engineering security tools and internal AI-driven agents to improve detection, response, vulnerability management, and the overall security posture of our products and infrastructure.

We are seeking an experienced Enterprise Customer Success Manager to join our Enterprise team. In this crucial role, you will be responsible for executing onboarding and adoption strategies through key client ownership across our Enterprise clientele. The ideal candidate will have a proven track record in tech of driving enterprise-level engagement, retention, and growth. You will work closely with other members of the Enterprise team, making strong communication and collaboration skills vital. A core sense of conviction and a “can-do” attitude are prerequisites. Your success will play a crucial part in expanding Perplexity's market presence and contributing to the company's overall success.

$170k - $220k