Member of Technical Staff (Software Engineer, Applied AI)

Навыки

• A/B-тесты
• Анализ данных
• Решения на данных
• LLM
• Machine Learning
• Python

О компании и продукте

• Perplexity is looking for an Applied AI Engineer to design, build, and iterate on cutting-edge agents powering our core experience in Perplexity Computer. Working in this mission critical team, you will develop frontier context layer applications - fulfilling the curiosity of millions of users across the globe.

Задачи

• Personalization (LLM memory, context summarization, retrieval and ranking)
• Contextual recommendations and Monetization applications
• Build frontier agent capabilities on top of Perplexity Computer
• Build auto research harness for both offline and online techniques, designing experiments and metrics that provide deep insight into quality and impact
• Own the entire model lifecycle from research to production: data analysis, modeling, evaluation, offline/online A/B testing, and iterative improvement and build autonomous harness for agent squad to explore different problem spaces
• Collaborate cross-functionally with engineers, PMs, data scientists, and designers to ensure our AI drives meaningful product improvements
• Stay at the forefront of ML/AI innovation by evaluating and incorporating emerging research and algorithms into the product lifecycle

Требования

• 5+ years experience building and shipping robust AI products for large-scale, user-facing or data-driven products

Будет плюсом

• Strong software engineering skills (Python, production-quality codebases, collaborative development) and experience using agentic coding tools for large scale parallel developments
• In-depth experience with the full AI lifecycle: data analysis, rigorous evaluation, and ongoing monitoring/improvement
• Proven collaborator and communicator
• excels in high-velocity, cross-functional teams
• Curious, driven by end-user/product impact, and passionate about advancing the state of applied ML and AI
• BS, MS, or PhD in Computer Science, Engineering, or related field (or equivalent experience)
• Experience with LLM context engineering or harness engineering
• Experience in mid-training or post-training frontier open source models
• Experience in large scale user-centric and content-centric personalization challenges (user modeling, retrieval, content ranking, etc)

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