Research Engineer - San Francisco

Job Title: Research Engineer – AI Post‑Training, Safety & Alignment · Location: San Francisco, Bay Area · About Us · We're an independent research team working at the cutting edge of AI safety and post‑training technique development. Our mission is to make frontier models more re ...

Job Title: Research Engineer – AI Post‑Training, Safety & Alignment · Location: San Francisco, Bay Area · About Us · We're an independent research team working at the cutting edge of AI safety and post‑training technique development. Our mission is to make frontier models more re ...

A deep-tech startup on a mission to build a foundational AI model from scratch. Our team combines world-class research, cutting-edge engineering, and a bold vision: to create AI systems that are causal, interpretable, and scalable. · ...

Company Overview · At Skild AI, we are building the world's first general purpose robotic intelligence that is robust and adapts to unseen scenarios without failing. We believe massive scale through data-driven machine learning is the key to unlocking these capabilities for the w ...

This is a full-time, on-site role for a Research Engineer based in the San Francisco Bay Area. · We are building a next-generation cinematic video generation model and an advanced agentic workflow platform. ...

+This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. · Join a mission-driven AI company as a Research Engineer to bridge theoretical AI safety research with practical implementation. · +Build and maintain robust research infrastructure, ...

Job Title: Research Engineer – Foundation Model Training & Scaling · Location: San Francisco, CA · About Us · We're a tight‑knit group of engineers and researchers in San Francisco building frontier‑scale models from the ground up. We believe that deep understanding starts before ...

We are looking for passionate individuals who are eager to explore uncharted waters and contribute to our innovative projects at Skild AI. · ...

We are recruiting for an SF based deep-tech startup building foundation ML models for multi-physics simulation. · ...

Cloudglue - Video Understanding Infrastructure · Cloudglue is a Y Combinator-backed startup building developer APIs that turn video and audio into structured, searchable data. We handle the hard infrastructure - transcription, visual analysis, search, extraction - so developers c ...

Come join a frontier AI lab in the Bay Area that's developing large-scale foundation models, and already with high-impact breakthroughs across LLMs, RL and Multimodal AI. · ...

+As a Research Engineer at Magic you will work on training large AI models new inference-time compute techniques build internet-scale datasets and help prototype new research product ideas. · Strong general software engineering skills · Thorough knowledge of the deep learning lit ...

We're seeking an exceptional Research Engineer / Research Scientist to join our Life Science team at Anthropic. Our team likes to think across the whole model stack. · ...

We're partnering with a company building frontier-scale AI systems that automate large parts of software engineering and AI research. · ...

We seek an AI Research Engineer to help design train evaluate & optimize Chai's core models & infrastructure about · Develop all infrastructure tooling upon which our AI research depends. · Collaborate with AI researchers to understand implement & optimize new research direction ...

· The Center for AI Safety (CAIS) is a leading research and advocacy organization focused on mitigating societal-scale risks from AI. We address AI's toughest challenges through technical research, field-building initiatives, and policy engagement, along with our sister organiza ...

We're looking for a research engineer to work on the core multimodal retrieval and video reasoning systems that power Cloudglue. · This is a 50/50 research and engineering role - you'll design novel approaches to hard retrieval and understanding problems, and you'll ship them int ...

We are developing foundation models for physics simulations—generalizable, high-fidelity solvers that accelerate inverse design and enable scalable design space exploration. · Proven contributions to computational physics and scientific machine learning (through publications or i ...

We are hiring a Research Engineer (Machine Learning) to build the infrastructure that powers Aldea's multi-modal AI research. · This is a high-leverage role where your work directly enables breakthrough research. You'll build production-grade systems supporting rapid experimentat ...

We're seeking an exceptional Research Engineer / Research Scientist to join our Life Science team at Anthropic. Our team is organized around the north star goal of accelerating progress in the life sciences... · We believe that the highest-impact AI research will be big science. ...

This role sits at the intersection of AI research and engineering. · You will anticipate upcoming data needs at leading AI labs, · translate research signals into executable data projects, · and drive early pilots with teams working at the frontier.Anticipate future human data re ...