Founding Research Engineer - San Francisco

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 Foundations Research team works on high-risk, high-reward ideas that could shape the next decade of AI. · Lead research into embedding models and retrieval systems optimized for grounding, relevance, and adaptive reasoning. · ...

The Foundations Research team works on high-risk, high-reward ideas that could shape the next decade of AI. · We're looking for a technical research lead to grow and lead our embeddings-focused retrieval efforts.This includes designing new embedding training objectives, scalable ...

The Post-Training team is responsible for training and improving pre-trained models to be deployed into ChatGPT, the API, and potential future products. · ...

A company building frontier-scale AI models that automate software engineering and AI research are looking for a Research Engineer to join their team. · ...

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

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. ...

We're an AI research lab building internet-scale video understanding systems used by frontier AI labs Fortune 100s and fast-growing gen-AI startups. · In the last 3 months we've gone from $0 → $XXM in revenue growing 25% month-over-month with a team of just 13 people. · ...

A company building frontier-scale AI models that automate software engineering and AI research is looking for a Research Engineer. The role involves optimizing inference throughput for novel model architectures, contributing to frameworks used for research and production workload ...

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. · ...

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

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

We're looking for a Research Engineer to design experiments, build evaluation infrastructure, and drive model quality for our process conformance, productivity measurement, and AI impact analysis across Fortune 500 organisations. · ...

We're an independent research team working at the cutting edge of AI safety and post‑training technique development.We're looking for experienced research engineers to help us push that frontier. · ...

We want AI to be safe and beneficial for our users and for society as a whole. · We're an extremely collaborative group, · and we host frequent research discussions · to ensure that we are pursuing · the highest-impact work at any given time.Competitive compensation and benefits, ...

+Job summary · Make a meaningful impact on the future of AI safety by working on pressing challenges in alignment, interpretability, and robustness. · +Build and maintain robust research infrastructure... · ...

We are building the open superintelligence stack - from frontier agentic models to the infra that enables anyone to create, train, and deploy them. · We enable researchers, startups and enterprises to run end-to-end reinforcement learning at frontier scale, · adapting models to r ...

As a Research Engineer at Zyphra's AI Architecture Research Team you will be designing and rigorously testing novel model architectures and training methodologies. · ...

We are looking for Research Engineers to build AI systems that can perform previously impossible tasks or achieve unprecedented levels of performance. · Designing, implementing and improving massive-scale distributed machine learning systems · Bug-free machine learning code writi ...

+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, ...

We're looking for people with solid engineering skills designing large-scale distributed machine learning systems writing bug-free machine learning code building science behind algorithms employed. · ...