AI Frontier · AI search
Currently tracking 30 active AI roles, up 77% versus the prior 4 weeks. Primary focus: Agent · Engineering. Salary range $175k–$485k (avg $328k).
| Title | Stage | AI score |
|---|---|---|
| Member of Technical Staff (AI Inference Engineer) AI Inference Engineer responsible for building and running the inference engine for Perplexity's models, focusing on performance, reliability, and cost-efficiency across various model architectures and GPU hardware. The role involves migrating CUDA kernels to CuTe DSL, developing a Rust-based serving runtime, and optimizing performance from network ingress to GPU kernels. | Serve | 9 |
| Member of Technical Staff (AI Infrastructure Engineer) AI Infrastructure Engineer responsible for building, deploying, and optimizing large-scale AI training and inference clusters using Kubernetes and Slurm on AWS. The role involves managing HPC environments, developing orchestration systems, implementing resource scheduling, and building monitoring solutions for ML workloads. | ServeData |
| 8 |
| Internship - Search Machine Learning Engineer Internship role focused on improving search quality through retrieval, ranking, and RAG pipelines, involving model experimentation, implementation, training, and deployment support. | AgentServe | 8 |
| Member of Technical Staff (Data Scientist, Evals) This role focuses on building and maintaining automated evaluation pipelines to assess the quality of answers generated by LLMs in Perplexity's search engine and other products. It involves designing evaluation sets, developing VLM-based solutions for visual rendering assessment, and adapting public benchmarks. The goal is to directly shape product changes by providing key evaluation metrics. | Eval Gate | 8 |
| Engineering Site Lead Engineering Site Lead for Perplexity in London, responsible for establishing and scaling the office, building and managing infrastructure and AI infrastructure teams, and driving technical excellence in AI systems. The role involves direct people management, setting technical direction, and ensuring robust systems for AI/ML workloads. | ServeAgent | 8 |
| Member of Technical Staff (Software Engineer, Data Flywheel) Software Engineer, Data Flywheel role focused on building systems and pipelines for accessing and utilizing eval verdicts, turning raw signals into datasets, and creating a simulator pipeline for user interactions. This role emphasizes data trust through monitoring and quality checks, operating within a high-impact team to improve Answer Quality. | Eval GateData | 7 |
| UK Internship Program Internship program focused on improving the AI inference engine and serving stack for Perplexity products, optimizing latency and throughput on large GPU clusters, and supporting new models and inference optimizations. | Serve | 7 |
| Member of Technical Staff (Backend Software Engineer) Infrastructure Engineer role focused on building and scaling the systems that support AI product development and deployment. The role involves designing, implementing, and maintaining tools, systems, and platforms for web, mobile, and browser engineers, ensuring reliability, security, and performance. Specific teams include Platform, DevX, and Cloud Infra, all contributing to the backbone of Perplexity's product and AI capabilities. | — | 5 |