Data Science Jobs – Page 15

Why this is a real AI job: The role explicitly focuses on AI research and development, specifically large language models (LLMs) and their application to Perplexity's core products. The responsibilities are heavily centered around model training, optimization, and implementation, indic…

Perplexity is seeking top-tier AI Research Scientists and Engineers to advance our AI products and capabilities. We're building the future of AI-powered search and agent experiences through our Sonar models, Deep Research Agent, Comet Agent, and Search products. Join us in creating SOTA experiences…

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Why this is a real AI job: The role explicitly focuses on building and improving search technologies using machine learning models, including retrieval, ranking, and LLM-based approaches. The responsibilities are heavily centered around ML model development, training, and deployment.

Perplexity is looking for a Search Machine Learning Engineer Intern to help build the next generation of advanced search technologies, with a focus on retrieval and ranking. You will work closely with experienced engineers to improve search quality, experiment with new models, and ship features tha…

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Why this is a real AI job: The role is explicitly focused on improving the quality of an LLM-first search engine through data science, metric design, and analysis of user interactions. The responsibilities directly involve working with LLMs and building data pipelines to support model…

Perplexity serves tens of millions of users daily with reliable, high-quality answers grounded in an LLM-first search engine and specialized data sources. The Answer Quality team ensures that our prompts, tools, search, and specialized datasets, combined with both frontier and in-house models, crea…

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Why this is a real AI job: The role is explicitly focused on building AI systems to automate and enhance data science workflows. The description heavily emphasizes AI agents, LLMs, and AI-native approaches. The core responsibilities are centered around AI development and deployment.

Perplexity is AI for people who expect more. This role brings that same standard to how our data team works - with AI at the center of everything we do. We're looking for someone who's been a great data scientist, analytics engineer, or data engineer - the kind of person who knows which metric actu…

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Why this is a real AI job: The role explicitly focuses on building and improving search technologies using machine learning models, including retrieval, ranking, and LLM-based approaches. The responsibilities are heavily centered around ML model development, training, deployment, and e…

Perplexity is looking for a Search Machine Learning Engineer Intern to help build the next generation of advanced search technologies, with a focus on retrieval and ranking. You will work closely with experienced engineers to improve search quality, experiment with new models, and ship features tha…

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Why this is a real AI job: The role explicitly focuses on building and optimizing recommendation systems powered by LLMs, requiring deep ML expertise. The job description heavily emphasizes ML fundamentals, model building, and data foundations for learning and improvement.

Perplexity is seeking experienced ML engineers to design, build, and optimize the recommendation systems that power core experiences on Perplexity. Perplexity builds AI for those who expect more. Our products are designed to help people find answers, make their most consequential decisions, and com…

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Why this is a real AI job: The role is explicitly focused on building and deploying AI models, leading experimentation programs, and driving go-to-market strategy for AI products. The core responsibilities are deeply rooted in data science and machine learning.

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe th…

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Why this is a real AI job: The role explicitly focuses on designing, building, and deploying LLM-powered agents for enterprise customers. The job description heavily emphasizes AI/ML concepts and technologies as the core responsibilities.

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe th…

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Why this is a real AI job: The role explicitly focuses on building and deploying LLM-powered agents for enterprise customers, requiring deep expertise in agentic architectures, LLM orchestration, and evaluation. The job description heavily emphasizes AI/ML concepts and their practical…

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe th…

Details Open source / apply

Why this is a real AI job: The role is explicitly focused on researching, developing, and implementing new evaluation methods for large language models (LLMs). The core responsibilities revolve around advancing the state-of-the-art in LLM evaluation, building tools for model performanc…

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe th…

Details Open source / apply