Software Engineer, AI Platform

PerplexitySan Francisco, California

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Overview

Schedule

Full-time

Career level

Senior-level

Job Description

Perplexity is seeking an experienced Software Engineer focusing on building the next-gen AI Foundation & Platform to help revolutionize the way people search and interact online. In this role, you'll help build Perplexity’s end-to-end AI data, evaluation and personalization infrastructure and flywheel which powers almost all agent products.

Perplexity is rapidly scaling both in number of use cases and number of users. Perplexity’s data stack powers scalable, personalized and fast answers for millions of people worldwide.

Responsibilities

Collaborate closely with AI Product, Applied ML, Post-Training, and Data Science teams to design, build, and maintain scalable data pipelines and data lakes
Develop high-performance infrastructure that powers personalization features including memory, discover, and agentic products
Create a scalable, multi-modal evaluation platform for all Perplexity AI products, including personalization, pro search, labs, deep research, and Comet
Design tools and abstractions on foundational infrastructure to enhance personalization, analytics, recommendations, AI products, and post-training capabilities
Holistically improve engineering foundation to support rapid growth of Perplexity products and international user base.

Qualifications

Strong programming and data engineering skills, with proficiency in open source & distributed framework(AWS, Spark, Flink, Iceberg, DynamoDB)
Familiarity with cloud-based data services (e.g., AWS, RDS, DynamoDB), containerized infrastructure (e.g., EKS, Docker), and data streaming (Flink, Spark streaming, CDC)
Strong quantitative and engineering skills with experience in estimating performance at high scale
Experience supporting various ML/AI engineering teams to build scalable frameworks to accelerate R&D for frontier models and AI products
Experience iterating on improving LLM responses and set up proper evaluation framework or Judges to analysis performance holistically.
Self-motivated with a strong sense of ownership of systems and designs
5+ years of industry experience in distributed systems or AI infrastructure

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FAQs About Software Engineer, AI Platform Jobs at Perplexity

What is the work location for this position at Perplexity?

This job at Perplexity is located in San Francisco, California, according to the details provided by the employer. Some roles may also include multiple work locations depending on the requirement.

What pay range can candidates expect for this role at Perplexity?

Employer has not shared pay details for this role.

What employment applies to this position at Perplexity?

Perplexity lists this role as a Full-time position.

What experience level is required for this role at Perplexity?

Perplexity is looking for a candidate with "Senior-level" experience level.

What is the process to apply for this position at Perplexity?

You can apply for this role at Perplexity either through Sonara's automated application system, which helps you submit applications 10X faster with minimal effort, or by applying manually using the direct link on the job page.