Multimodal AI Research Engineer at Series B-backed AI research lab

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. Job Title Multimodal AI Research Engineer Salary Not Disclosed Company Description Series B-backed AI research lab Job Description As a Research Engineer, you will develop state-of-the-art multimodal foundation models to power next-generation interactive digital interfaces. You'll focus on the intersection of audio, vision, and language to create low-latency, expressive systems. This role offers the unique opportunity to conduct high-level research while shipping impactful technology to a global user base at scale. Location San Francisco, USA; London, UK; or Remote Why this role is remarkable • Work on cutting-edge foundation models that bridge generative video and real-time interaction at the frontier of AI. • Join a well-funded Series B startup backed by premier global venture capital firms with a high-growth trajectory. • Transition research directly into production systems, seeing your work reach millions of users rather than staying in papers. What You Will Do • Research and develop multimodal conversational models to control expressive digital behaviors in real-time with sub-second latency. • Fine-tune audio-visual foundation models to improve responsiveness, controllable expressions, and task-specific performance. • Partner with applied machine learning teams to migrate research prototypes into high-performance, scalable production pipelines. The ideal candidate • PhD or equivalent research experience in Deep Learning, specializing in Large Multimodal Models or Generative AI. • Expert-level proficiency in PyTorch and experience building complex deep learning pipelines for audio or video understanding. • Proven track record of high-impact research, ideally with a history of publications at top-tier venues like NeurIPS, CVPR, or ICLR. 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. How does this work? • Jack's an AI agent for job searching and career coaching. He works for you. • Jill is the AI recruiter working for the company. She recruits from Jack's network. • If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives. We never post fake jobs This 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.