Member Of Technical Staff (Software Engineer, AI Platform)
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 almo
What this role actually needs.
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 almo 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. Requirements: - 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 Company context: Perplexity is an answer engine — an AI-native search product used by millions of professionals daily.
Day-to-day expectations
Perplexity lists these responsibilities for the Member Of Technical Staff (Software Engineer, AI Platform) role.
- 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.
What a strong candidate brings
These requirements are extracted from the source listing and normalized for UpJobz readers.
- 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
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Member Of Technical Staff (Software Engineer, AI Platform) is framed against UpJobz source checks, country scope, compensation visibility, and work-authorization signals so candidates can make a faster go/no-go decision.
United States tech market
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Compensation read
$220K - $405K is visible before the click, so candidates can compare the role against local market expectations before applying.
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Current extracted signal: Open to TN, H-1B, and OPT candidates already in the United States. UpJobz treats this as a search signal, not legal advice, and links visa-sensitive roles back to the relevant visa hub where possible.
Location read
On-site roles in San Francisco should be compared against commute, local salary bands, and nearby employer demand.
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Source: jobs.ashbyhq.com · Source ID: 8673866c-f624-4b58-b171-752cf003630e · Confidence: 94/100 · Last checked: May 7, 2026
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