- OpenAI (San Francisco, CA)
- Research Engineer , Retrieval & Search , Applied Engineering Applied AI Engineering - San Francisco Careers About the Team We bring OpenAI's technology to ... unfettered growth. About the Role We are looking for an experienced Research Engineer to work on retrieval & search problems across our API and ChatGPT.… more
- OpenAI (San Francisco, CA)
- …AI research company in San Francisco seeks an experienced Research Engineer to advance retrieval and search capabilities across API and ChatGPT. ... This role involves collaboration with cross-functional teams to innovate search methodologies impacting millions of users. Ideal candidates have extensive experience… more
- OpenAI (San Francisco, CA)
- Software Engineer , Search Infrastructure Applied AI Engineering - San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer ... maintain scalable search infrastructure to support large‑scale data processing and retrieval . Optimize search algorithms and indexing processes to improve … more
- OpenAI (San Francisco, CA)
- A leading AI research firm in San Francisco is seeking a Software Engineer for Search Infrastructure. This role involves designing and maintaining scalable ... search systems to enhance information retrieval . Candidates should have strong experience with search technologies, a background in C++, and a passion for… more
- Fabrion (San Francisco, CA)
- ML/AI Research Engineer - Agentic AI Lab (Founding Team) Location: San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + meaningful equity ... ‑augmented generation (RAG), knowledge graphs, and multi‑tenant governance. We're looking for an ML/AI Research Engineer to join our AI Lab and lead the design,… more
- Menlo Ventures (San Francisco, CA)
- [Expression of Interest] Research Scientist/ Engineer , Honesty About Anthropic Anthropic's mission is to create reliable, interpretable, and steerable AI systems. ... build beneficial AI systems. About the role As a Research Scientist/ Engineer focused on honesty within the...to ground model outputs in verified information, such as search and retrieval -augmented generation (RAG) systems Design… more
- Resolve.Ai (San Francisco, CA)
- …(Professor, Stanford). What You'll Do Develop AI-powered workflows end-to-end, balancing research and engineering to create production-ready AI models. Build and ... Language Models (LLMs) for production engineering and reliability use cases. Research and experiment with novel techniques, including reinforcement learning, … more
- Pinterest (San Francisco, CA)
- …and improve ML models for various product surfaces (Homefeed, Ads, Growth, Shopping, and Search ), while gaining knowledge of how ML works in different areas Use data ... and leverage the unique properties of our data to improve candidates retrieval Work in a high-impact environment with quick experimentation and product launches… more
- Troveo Ai (San Francisco, CA)
- …content. Our end-to-end data pipeline connects creators, rights holders, and AI research labs, enabling scalable, compliant, and innovative uses of video across for ... venture backed by forward‑thinking investors, and we are seeking an innovative strategic engineer to help us scale. Role Overview The Senior Machine Learning … more
- Icon Ventures (San Francisco, CA)
- …activities and experiences that best fit their goals. We power recommendation and search systems across multiple surfaces, from home feed and search results ... and measurable learning outcomes. About the Role As a Senior Machine Learning Engineer on the Personalization & Recommendations team, you will design, build, and… more
- Icon Ventures (San Francisco, CA)
- …activities, and experiences that best fit their goals. We power recommendation and search systems across multiple surfaces, from home feed and search results ... the company. In this role, you'll architect and implement large‑scale retrieval , ranking and recommendation systems that directly shape the learner experience.… more
- Eloquent AI (San Francisco, CA)
- …to retrieve and generate knowledge in real time. Develop and optimize knowledge retrieval systems , fine‑tuning embeddings, vector search , and ranking models. ... of financial services. Your Role As a Senior AI Engineer , RAG at Eloquent AI, you will play a...play a critical role in designing, building, and optimizing Retrieval -Augmented Generation (RAG) systems that power our enterprise AI… more
- Icon Ventures (San Francisco, CA)
- …field (or equivalent experience) Experience building ranking/personalization or search systems ( retrieval , Two‑Tower/dual encoders, multi‑task rankers) ... as best‑in‑class. About the Role As an Applied AI Engineer , you will be working at the forefront of...of the two complementary domains: Personalization & Ranking - retrieval and ranking systems that match learners with the… more
- Quix Recruitment Group Ltd (San Francisco, CA)
- …a role for an engineer who thrives at the intersection of AI research and real-world systems, with the autonomy to innovate, experiment, and ship fast. Key ... or deploying LLMs / applied AI systems in production. Proven work with retrieval systems (RAG, vector search , knowledge graphs, embeddings). Strong understanding… more
- Synagi (San Francisco, CA)
- …are pushing the frontier of distributed and decentralised AI agents. Our research spans vector-driven retrieval systems, agentic swarms, and resource-efficient ... in check. Role As our Lead Backend & Cloud Engineer you will architect and own the entire high-throughput...Kubernetes. Your work is the foundation on which future research agents, and ultimately Synagi's vision of synergetic general… more
- MLabs (San Francisco, CA)
- Founding AI Engineer Location: San Francisco, CA (In-person) Employment Type: Full-time Compensation: $130K - $170K base salary + 0.5% - 1.5% equity . Automating the ... create meaningful moments together, and we need a founding engineer to lead the charge on our core AI...that handle emails, phone calls, web scraping, and deep research . You will sit at the center of our… more
- Synagi (San Francisco, CA)
- …are pushing the frontier of distributed and decentralised AI agents. Our research spans vector-driven retrieval systems, agentic swarms, and resource-efficient ... end-to-end retrieval workflows: query rewriting, hybrid BM25 + vector search , and re-ranking for fact-grounded answers. Model creation & fine-tuning - Train… more
- Onyx (San Francisco, CA)
- …(or even just interest) in AI (NLP, Deep Learning, GenAI) and information retrieval Previous founder or early engineer at seed/series‑A startup About the ... be: Building a consumer grade UI experience for the GenAI Chat, Enterprise Search , Agents, and Admin features Extending the backend functionalities and APIs (see… more
- Menlo Ventures (San Francisco, CA)
- …Ventures, Redpoint Ventures, and Sequoia Capital. About the role As a backend engineer on the Semgrep Managed Scanning team (SMS), you'll build systems that help ... and implementing Elasticsearch as a new layer in our infrastructure, building the search and analytics capabilities that will power the next generation of our… more
- Arcade (San Francisco, CA)
- …expression, and on‑demand manufacturing, and we're building fast. Role Summary As a Software Engineer at Arcade, you will work across our backend and AI systems to ... orchestration to caching layers to inference pipelines, and partner closely with AI research , product, and design to launch entirely new user experiences. This role… more
