Data Science Jobs – Page 18

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 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 explicitly focuses on building, training, and deploying machine learning models for ranking in a search engine. The responsibilities are heavily centered around AI/ML techniques and productionizing them.

Perplexity is seeking an experienced Machine Learning Engineer to improve search quality across the middle and later stages of ranking. We are looking for a strong ranking generalist who can own ambiguous problems end to end and brings exceptional depth in either neural ranking or production rankin…

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Why this is a real AI job: The role is explicitly focused on building and improving agent capabilities powered by frontier AI models. The job description heavily emphasizes AI/ML techniques, model evaluation, and productionizing AI solutions. The core responsibilities revolve around AI…

Perplexity Computer is one of the defining products of the new era of agentic AI. Millions of people use Perplexity to transform knowledge into action, and the Agent Capabilities team sits at the intersection of frontier AI research and product innovation, building the foundations that shape how us…

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Why this is a real AI job: The role explicitly focuses on building and improving core AI components like LLM post-training, reinforcement learning for agents, search and retrieval systems, and multi-agent systems. The responsibilities are heavily weighted towards AI/ML engineering and…

Perplexity is seeking an experienced Machine Learning Engineer to advance how AI systems search, reason, and work together to solve complex problems. Our work spans search and retrieval, LLM post-training, multi-agent training, and the harnesses that make these systems effective. We control the ful…

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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…

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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 building and deploying AI applications, generating training data for LLMs, and upskilling in AI. The required experience includes applying AI/ML in production environments. The core responsibilities are heavily AI-focused.

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data for national LLMs…

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