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Ai2

Ai2

Seattle, WA

Research Scientist, Agents for Science
$167k+/yrOn-siteAI Research

Leads foundational research on agentic AI systems for scientific reasoning, including literature synthesis, hypothesis formation, coding, experiments, and data analysis. Requires PhD in ML/NLP/reasoning with expertise in language models or reinforcement learning.

Ai2

Ai2

Berkeley, CA

Young Investigator, FlexOlmo
$160k+/yrRemoteAI Research

Postdoctoral researcher leading high-impact AI projects on Mixture-of-Experts and long-context language models, training/releasing models, building open-source tools, publishing papers, and mentoring juniors. Requires recent PhD in CS/ML with strong publication record and PyTorch expertise.

Tavus

Tavus

Remote

Conversational Modelling Research Engineer
No salary listedRemoteAI Research

AI Researcher develops and fine-tunes large multimodal models for real-time conversational avatars, modeling verbal/non-verbal behaviors with low latency. Requires PhD or equivalent, hands-on experience with VLMs, PyTorch, and deep learning.

Applied Intuition

Applied Intuition

Sunnyvale, CA

Research Scientist - World-Action Foundation Model, Robotics
$126k+/yrOn-siteAI Research

Conducts research on world-action foundation models for robotics and autonomous driving, focusing on 3D vision, multi-modal pretraining, and Gaussian splatting. Requires MSc/PhD in ML/CV, strong publication record, and expertise in Python/PyTorch.

Bland AI

Bland AI

San Francisco, CA

Machine Learning Researcher, Multimodal LLMs
$140k+/yrRemoteAI Research

Develops next-generation multimodal LLMs integrating speech, text, tools, and real-time reasoning for conversational AI agents. Requires strong background in LLMs, multimodal models, fast experimentation, and production deployment experience.

Datology AI

Datology AI

Redwood City, CA
Research Scientist
$180k+/yrHybrid3+ YOEAI Research

Research Scientist investigates training data interventions to improve deep learning model quality and behavior. Sources ideas from literature, conducts customer-grounded research, and collaborates with engineers to deliver impact. Requires 3+ years deep learning research and PyTorch proficiency.

Bland AI

Bland AI

San Francisco, CA

Copy of Machine Learning Researcher, Audio
$140k+/yrRemoteAI Research

Conducts foundational research and develops scalable ML models for speech-to-text, text-to-speech, and neural audio codecs in real-time voice AI agents. Requires deep expertise in voice modeling, self-supervised learning, and production deployment at enterprise scale.

Spotify

Spotify

New York, NY
Senior Research Scientist - Personalization
No salary listedHybrid2+ YOEAI Research

Conduct original ML/AI research focused on large-scale foundation models and generative AI to advance Spotify's personalization systems like Discover Weekly. Requires PhD or Master's with publication track record in top conferences, 2+ years research experience, and expertise in recommender systems or representation learning.

Cerebras Systems

Cerebras Systems

Sunnyvale, CA

Advanced Technology: AI/ML Research Scientist
No salary listedOn-siteAI Research

Designs novel AI models and training methodologies from first principles on wafer-scale hardware, integrating computational science techniques. Requires PhD-level expertise in ML or related fields, strong publication record, and proficiency in PyTorch/Python.

Hedra

Hedra

San Francisco, CA

Research Scientist
$200k+/yrOn-siteAI Research

Leads original research in action-conditioned world models, physical AI, and generative modeling for embodied systems. Requires PhD in ML/CS/Robotics with top publications and expertise in generative models and large-scale training.

Webflow

Webflow

United States

Senior Staff Machine Learning Scientist, Assets
$194k+/yrRemote8+ YOEAI Research

Leads research in computer vision, multimodal understanding, and visual generation. Develops novel models and methodologies, translates research to production, and mentors teams. Requires PhD preferred, 8+ years experience, and expertise in PyTorch, TensorFlow, transformers.

Polymath

Polymath

San Francisco, CA

Member of Technical Staff - Research
$200k+/yrOn-siteAI Research

Conducts applied research on long-horizon autonomous AI agents, focusing on evaluation, post-training, environment design, and benchmarks to improve frontier models. Builds simulations, runs experiments, ships production code, and publishes findings.

AfterQuery

AfterQuery

San Francisco, CA

Research Scientist - Post Training
$150k+/yrOn-siteAI Research

Design and run SFT/RL experiments to measure dataset impact on LLM performance, capabilities, and alignment. Collaborate with labs to provide evidence of improvements; requires strong LLM training knowledge and fast experimentation, ideally undergrad/master's research background.

Labelbox

Labelbox

San Francisco, CA

Forward Deployed Research Scientist
$140k+/yrHybridAI Research

Forward Deployed Research Scientist collaborates with frontier AI labs on data strategies, fine-tunes open-weight LLMs, runs ablation studies, and validates data impact for client projects. Requires MS/PhD in ML/NLP/CS, hands-on LLM fine-tuning, and fast-paced experimental rigor.

Anthropic

Anthropic

San Francisco, CA

Anthropic Fellows Program — AI Safety
No salary listedRemoteAI Research

Fellows conduct research on AI safety, collaborating with Anthropic researchers to develop evaluation methods and alignment techniques. Requires strong interest in AI safety, CS/math background, and ML experience.

Machinify

Machinify

United States

NLP Scientist
$180k+/yrRemoteAI Research

Develops state-of-the-art Visual Question Answering systems for medical records using advanced NLP and Computer Vision techniques. Requires expertise in these fields, strong software engineering skills, and ability to work with noisy data to achieve production-scale model performance.

Origin

Origin

San Francisco, CA

Founding AI Research Engineer - Robot Learning
No salary listedOn-siteAI Research

Develops and deploys vision-language-action models and world models for autonomous robot finishing tasks in construction. Owns full lifecycle from data collection via teleoperation to edge deployment on Jetson hardware, requiring strong ML on robotics experience.

Astera

Astera

Machine Learning Researcher - Springtail
$150k+/yrHybridAI Research

Conducts fundamental research on data-efficient ML architectures, including bootstrapped program synthesis and self-synthesizing learning systems. Requires Master's in ML/math, PyTorch fluency, and research experience.

Snowflake

Snowflake

Staff Research Scientist, AI Agents & LLMs
$236k+/yrHybridAI Research

Leads research in agentic AI and LLMs, developing models for enterprise reasoning, autonomous agents with tool use, and production systems. Requires PhD, expertise in LLM training/fine-tuning, agent systems, and technical leadership.

Scale AI

Scale AI

San Francisco, CA
Research Scientist, Frontier Risk Evaluations
$197k+/yrOn-site3+ YOEAI Research

Designs evaluation measures, harnesses, and datasets to assess risks from frontier AI systems, including dangerous capabilities testing. Collaborates with agencies, publishes methodologies for policymakers; requires 3+ years ML experience and publications in generative AI.

Scale AI

Scale AI

San Francisco, CA
Research Scientist, AI Controls and Monitoring
$197k+/yrHybrid3+ YOEAI Research

Designs methods, systems, and experiments for AI controls and monitoring to ensure alignment in high-stakes environments, including real-time tracking, fail-safes, and red-team simulations. Requires 3+ years ML experience, published research in generative AI, and strong prototyping skills.

Scale AI

Scale AI

San Francisco, CA
Research Scientist, Agent Robustness
$197k+/yrHybrid3+ YOEAI Research

Research Scientist focuses on agent robustness, developing tests, exploits, and mitigations for safe AI agents. Requires 3+ years ML experience, RL techniques like RLHF/DPO, and published research in generative AI.

Baseten

Baseten

San Francisco, CA

Post-Training Research Scientist
$210k+/yrHybridAI Research

Conducts research on post-training methodologies and performant inference for AI models, balancing pure research with applied work for production systems. Requires PhD in ML with top publications and ability to design rigorous experiments at scale.

Adaption Labs

Adaption Labs

New York, NY

Research Scientist / Research Engineer
No salary listedRemote4+ YOEAI Research

Conducts research on efficient AI systems focusing on real-time adaptation, model efficiency, and cross-stack optimization. Requires PhD or equivalent, 4-5+ years industry experience, and deep ML expertise including PyTorch/JAX and optimization techniques.

Granica

Granica

San Francisco, CA

Research Scientist – Tabular & Structured Machine Learning
$160k+/yrOn-siteAI Research

Conduct research and build foundational ML models for structured and tabular data, combining statistical learning theory, probabilistic modeling, and large-scale systems. Requires a PhD and strong experience in tabular/relational ML.

OpenAI

OpenAI

San Francisco, CA

Research Engineer/Scientist - Human Alignment, Consumer Devices
$380k+/yrHybridAI Research

Develops RLHF and post-training methods for personalized, multimodal AI systems on consumer devices, focusing on reward modeling, preference learning, long-horizon evaluation, and alignment with user values. Requires strong ML research background in RLHF and related areas.

Anthropic

Anthropic

San Francisco, CA

Transformative AI Research Economist, Economic Research 
$300k+/yrHybridAI Research

Builds macroeconomic models and scenario-based forecasting tools for transformative AI impacts on growth, labor markets, and income distribution. Requires PhD in Economics, expertise in macro modeling, computational methods, and grounding in real-world AI usage data.

Kastle

Kastle

Remote

AI Trainer (Part-time)
$30+/hrRemote5+ YOEAI Research

Part-time AI Trainer annotates mortgage conversation data, provides feedback on AI responses, and tests system quality for mortgage servicing calls. Requires 5+ years mortgage customer service experience and industry knowledge.

PointClickCare

PointClickCare

Canada

Senior Applied Researcher AI/ML
CA$159k+/yrRemote5+ YOEAI Research

The Senior Applied Researcher develops and evaluates AI/ML model systems for healthcare SaaS products, working with structured and unstructured clinical data. The role requires advanced graduate education, industry healthcare ML experience, and hands-on expertise in LLMs, cloud platforms, data engineering, and production deployment.

PointClickCare

PointClickCare

United States

Senior Applied Researcher AI/ML (US)
$178k+/yrRemoteAI Research

Senior Applied Researcher develops AI/ML solutions for healthcare challenges, applying GenAI, LLMs, and techniques like RAG to build production-ready models in SaaS environments. Requires Master's in relevant field, healthcare data experience, Python proficiency, and ML frameworks expertise.

Luma AI

Luma AI

Palo Alto, CA

Research Scientist / Engineer – Foundation Model: Core Research
$250k+/yrHybridAI Research

Conducts core research on multimodal foundation models for world-simulations, bridging modeling, data, systems, and evaluation. Requires advanced degree in CS/ML, first-principles scaling intuition, and experience with large-scale GPU training.

Astera

Astera

Research Scientist: Hierarchical Sensorimotor Perception
$150k+/yrHybridAI Research

Develops bi-directional/recurrent architectures for hierarchical sensorimotor perception inspired by brain principles to advance AGI. Requires PhD-level expertise in deep learning frameworks like PyTorch/JAX, theoretical rigor, and passion for biological intelligence.

Astera

Astera

Research Scientist: Hierarchical RL Agents
$150k+/yrHybridAI Research

Conducts fundamental research on hierarchical RL agents, developing architectures for world modeling, planning, and ethologically constrained learning. Collaborates cross-functionally to translate brain-inspired principles into scalable AGI systems; requires PhD-level expertise in AI/ML and strong coding skills.

Astera

Astera

Research Scientist/Engineer
$150k+/yrHybridAI Research

Conducts fundamental research on brain-inspired world models and AGI architectures, designing experiments on cognition, causal representations, and unsupervised learning. Collaborates with neuroscientists and engineers; requires PhD-level expertise in deep learning frameworks like PyTorch/JAX.

Astera

Astera

Research Scientist: Energy Based Models
$150k+/yrHybridAI Research

Conducts fundamental research on neuroscience-inspired energy-based models and hierarchical latent variable models for AGI. Designs experiments on cognition and collaborates cross-functionally to build scalable systems. Requires PhD-level expertise in deep learning and PyTorch/JAX.

Eightsleep

Eightsleep

San Francisco, CA

ML Research Scientist (Health & Sensing)
No salary listedOn-site3+ YOEAI Research

Develops AI/ML models to transform sensor data into personalized health and sleep insights, focusing on thermoregulation, foundation models, and behavioral simulations using vast sleep datasets. Requires PhD in ML/AI-related field, 3+ years practical ML experience, and strong publications.

Postman

Postman

San Francisco, CA

Applied AI Scientist, Small Language Model and AI Training
$219k+/yrHybridAI Research

Leads R&D on small language models and AI training, developing efficient architectures, optimizing performance, and ensuring safety. Collaborates with research, engineering, and product teams using Python, PyTorch, TensorFlow, or JAX.

Taste Labs

Taste Labs

San Francisco, CA

AI Engineer
$175k+/yrOn-siteAI Research

Build AI systems, agent harnesses, evaluation pipelines, retrieval infrastructure, crawling systems, and inference APIs that make subjective design quality measurable. The role requires experience building AI-forward products or systems, strong technical judgment, and comfort solving ambiguous startup problems.

Nuro

Nuro

Mountain View, CA

ML Research Scientist, Prediction & Smart Agents
$194k+/yrOn-site2+ YOEAI Research

Build state-of-the-art ML models to predict traffic behavior for autonomous driving, using generative sequence modeling and controllable agents for planning and simulation. Requires PhD preferred, 2+ years deploying ML systems, and expertise in PyTorch and robotics ML.

Scale AI

Scale AI

United States

Machine Learning Fellow - Human Frontier Collective (US)
Up to $166k/yrRemoteAI Research

Collaborate on high-impact AI research projects, design and review deep learning models in PyTorch, analyze GPU performance, and co-author publications. Requires PhD in CS/AI/ML and hands-on expertise with Transformers, CNNs, and diffusion models.

Scale AI

Scale AI

San Francisco, CA
Staff Machine Learning Research Engineer, Agent Post-training - Enterprise GenAI
$218k+/yrOn-site5+ YOEAI Research

Develops next-gen Agent RL training platform for enterprise GenAI, integrating cutting-edge research to train state-of-the-art models for complex use cases. Requires 5+ years LLM production experience, RLHF expertise, recent top publications, and advanced CS degree.

Scale AI

Scale AI

San Francisco, CA
Machine Learning Research Engineer, Agents - Enterprise GenAI
$218k+/yrOn-site1+ YOEAI Research

Develops and deploys state-of-the-art ML models and agents for enterprise GenAI using RL training and post-training algorithms. Requires 1-3 years LLM production experience, RLHF expertise, recent top publications, and advanced CS degree.

Scale AI

Scale AI

San Francisco, CA
Machine Learning Systems Research Engineer, Agent Post-training - Enterprise GenAI
$218k+/yrOn-site1+ YOEAI Research

Develops and optimizes post-training algorithms for agent RL platforms, focusing on LLM training, inference frameworks, and multi-agent systems. Requires 1-3 years production LLM experience, expertise in PyTorch/CUDA, RLHF/PPO, and advanced degree.

Scale AI

Scale AI

San Francisco, CA
Staff Machine Learning Research Scientist/ Engineer, Agents
$275k+/yrOn-siteAI Research

Conducts cutting-edge research on data for state-of-the-art AI agents like browser and SWE agents, develops prototypes using LLMs and frameworks like PyTorch/JAX, and publishes in top ML venues. Requires 3+ years ML experience and strong cross-functional communication.

Anthropic

Anthropic

San Francisco, CA
Research Engineer, Pretraining Scaling
$350k+/yrOn-siteAI Research

Research Engineer optimizes and scales production pretraining of frontier AI models, handling performance, debugging, experiments, and on-call incidents. Requires expertise in JAX, TPU, PyTorch, or large-scale ML systems with a 50/50 research-engineering balance.

Anthropic

Anthropic

San Francisco, CA

Research Engineer, Interpretability
$315k+/yrHybrid5+ YOEAI Research

Research Engineer focused on mechanistic interpretability, building tools and infrastructure to reverse-engineer neural networks for safer AI. Requires 5+ years software experience, Python proficiency, and AI research contributions.

Anthropic

Anthropic

San Francisco, CA

Research Engineer, Discovery
$350k+/yrHybrid6+ YOEAI Research

Builds large-scale infrastructure for AI scientist training, evaluation, and deployment, resolving bottlenecks in distributed systems for scientific AGI. Requires 6+ years in infrastructure engineering with expertise in ML stacks, containers, and data pipelines.

Anthropic

Anthropic

San Francisco, CA
Research Engineer, Universes
$500k+/yrHybridAI Research

Builds next-generation training environments and evaluations for agentic AI models, blending research in reinforcement learning with robust engineering implementation. Requires strong technical judgment, agency, and experience in ML systems.

Anthropic

Anthropic

San Francisco, CA
Research Engineer, Production Model Post Training
$350k+/yrHybridAI Research

Research Engineer implements and scales post-training techniques like Constitutional AI and RLHF for production AI models, optimizing capabilities, alignment, and safety. Requires strong Python skills, ML systems experience, and ability to handle complex distributed training pipelines.

Anthropic

Anthropic

San Francisco, CA

Staff Research Engineer, Discovery Team
$350k+/yrHybrid8+ YOEAI Research

Research Engineer works end-to-end to remove bottlenecks toward scientific AGI, focusing on long-horizon reasoning, computer use, and model capabilities. Requires 8+ years ML experience, expertise in language model pipelines, distributed systems, and collaborative problem-solving.