Senior Applied MLE at Series A AI context infrastructure startup

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.She will pick the best candidates from Jack's network.The next step is to speak to Jack: https://www.jackandjill.ai/jobs/senior-applied-mle-at-series-a-ai-context-infrastructure-startup-c1be05e8-cfcc-4d78-898a-370b74a7223c/apply?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_c1be05e8-cfcc-4d78-898a-370b74a7223c.Job TitleSenior Applied Machine Learning EngineerSalaryNot DisclosedCompany DescriptionSeries A AI context infrastructure startup founded by ex-Visa and LinkedIn data veteransJob DescriptionYou will build the semantic layer essential for the next generation of autonomous enterprise agents. By extracting knowledge from fragmented data and constructing real-time AI Data Graphs, you’ll solve the context gap that causes 95% of AI pilots to fail, working directly with a world-class team of industry pioneers.Location:San Mateo, USAWhy This Role Is Remarkable Work under a founding team featuring the former Chief Architect of Visa’s AI Platform and the architect of LinkedIn’s massive production Skills Graph. Solve the industry's most pressing bottleneck—enterprise domain intelligence—by building the infrastructure that sits between raw data lakes and autonomous agents. Join a high-growth Series A startup already deploying with Fortune 500 leaders across the insurance, travel, and technology sectors.What You Will Do Design and deploy state-of-the-art models to extract structured domain knowledge from heterogeneous and disconnected enterprise data sources. Develop, evaluate, and scale AI Data Graphs and semantic systems that provide the reasoning foundation for high-precision autonomous agents. Fine-tune large and small language models (LLMs/SLMs) with domain-specific context to ensure production-grade accuracy and reduced inference costs.The Ideal Candidate Holds an MS or PhD in Computer Science or ML with 4+ years of hands-on experience in NLP, knowledge extraction, or retrieval. Demonstrates a proven track record of shipping and maintaining ML models in production environments, specifically using BERT, LLMs, or embedding-based retrieval. Possesses a builder mindset with previous startup experience, thriving in fast-paced environments where they can influence core infrastructure from day one.Who are Jack & Jill?:Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.Next StepsStep 1. Visit the job listing: https://www.jackandjill.ai/jobs/senior-applied-mle-at-series-a-ai-context-infrastructure-startup-c1be05e8-cfcc-4d78-898a-370b74a7223c?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_c1be05e8-cfcc-4d78-898a-370b74a7223c.Step 2. Click 'Talk to Jack', or go straight there: https://www.jackandjill.ai/jobs/senior-applied-mle-at-series-a-ai-context-infrastructure-startup-c1be05e8-cfcc-4d78-898a-370b74a7223c/apply?utm_source=linkedin&utm_medium=job_post&utm_campaign=featured_role_c1be05e8-cfcc-4d78-898a-370b74a7223cStep 3. Talk to Jack so he can understand your experience and ambitions.Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.Step 6. If not, Jack will find you excellent alternatives. All for free.We Never Post Fake JobsThis isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.We appreciate this can make them look a bit suspect, but there isn't much we can do about it.Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.