coframe · SF Bay Area
ABOUT COFRAME: At Coframe, we are building a future where user and agent interfaces can adapt, evolve, and personalize themselves. We are generating revenue, growing rapidly, and trusted by companies you definitely know. Coframe is a primarily in-person company based in San Francisco, well-capitalized with backing from Khosla Ventures, Nat Friedman, the founder of Android, and others. Our team is small and talent-dense, consisting of competitive programmers, former founders (including our founder who previously co-founded a unicorn), and AI researchers from top institutions who have created some of the most popular open-source code generation projects. ABOUT THE ROLE: As a Machine Learning Engineer, you’ll build the models that power performance optimization at Coframe. You’ll train both foundation models and customer-specific models that predict and improve how users engage, click, and convert, and you’ll own each model’s lifecycle end to end: from initial idea, through research and training, to the infrastructure that deploys it. YOU’RE A GREAT FIT IF YOU HAVE: - Experience fine-tuning vision-language models (VLMs) or large language models (LLMs) - Experience training ranking, click-through rate (CTR), conversion, or engagement models - Strong ML infrastructure experience, including training pipelines, data systems, and model serving - The ability to own models end to end, from research and experimentation to production deployment - Strong software engineering fundamentals and experience shipping reliable production systems - The ability to translate business metrics into modeling objectives and rigorous evaluations - Curiosity, pragmatism, and excitement about working on problems with no established playbook - A track record of exceptional achievement, whether in industry, research, or academics - Experience building agent loops, edge or low-latency model serving, and working with e-commerce, growth, or experimentation teams WHAT YOU’LL DO: - Build foundation mod…
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