San FranciscoUSAFullTimeashby2026-10-31
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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BelgradeUSAFullTimeashby2026-10-31
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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TorontoCanadaFullTimeashby2026-10-31
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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United StatesCanadaFullTimeashby2026-10-31
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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CanadaCanadaInternashby2026-10-31
Why this is a real AI job: The role explicitly focuses on designing, training, and deploying cutting-edge machine learning models. The description details tasks directly related to ML research, development, and implementation, with a strong emphasis on NLP and large-scale model trainin…
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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LondonCanadaFullTimeashby2026-10-31
Why this is a real AI job: The role is explicitly focused on managing programs within a Generative Machine Learning organization, building and improving core generative models. The requirements clearly state experience working directly on AI/ML, specifically foundation models, and deep…
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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London, UKUSAgreenhouse2026-10-31
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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Remote (Growth only)USAgreenhouse2026-10-31
Why this is a real AI job: The role explicitly focuses on designing, evaluating, and optimizing ML models, contributing to research publications, and working with cutting-edge AI systems. The core responsibilities are deeply rooted in AI/ML engineering and research.
About the Collective The Human Frontier Collective (HFC) ’s mission is to bring the world's best minds to shape the future of AI – because the future of AI depends not only on powerful models, but on the people who teach them to think. We bring together researchers, academics, and domain leaders ac…
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Remote (Growth only)USAgreenhouse2026-10-31
Why this is a real AI job: The role explicitly focuses on designing, evaluating, and optimizing advanced generative AI systems and ML models. The fellow will be directly involved in ML projects, research publications, and advising on AI-related technologies. The description heavily emp…
About the Collective The Human Frontier Collective (HFC) ’s mission is to bring the world's best minds to shape the future of AI – because the future of AI depends not only on powerful models, but on the people who teach them to think. We bring together researchers, academics, and domain leaders ac…
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San Francisco, CAUSAgreenhouse2026-10-31
Why this is a real AI job: The role explicitly focuses on research and development of post-training techniques for LLMs, including SFT, RLHF, and reward modeling. The job description highlights the application of these techniques to enhance LLM capabilities and solve core AI problems.
Scale works with the industry’s leading AI labs to provide high quality data and accelerate progress in GenAI research. We are looking for Research Scientists and Research Engineers with expertise in LLM post-training (SFT, RLHF, reward modeling). This role will focus on optimizing data curation an…
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