You will join a specialized AI Platform team to build and scale shared infrastructure enabling safe, efficient AI integration across a massive global product. The role involves fine-tuning large language models, optimizing MLOps pipelines, and developing evaluation frameworks to ensure medical safety and high performance for over 70 million monthly users worldwide.
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AI/ML Engineer at Global Consumer Healthtech Platform
Join the world’s leading consumer health platform and help build the next generation of AI-powered digital health tools. As an AI/ML Engineer on the central platform team, you will design the infrastructure that enables safe, medical-grade AI at a scale of 77 million monthly users.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Confidential company
Role overview
About the company
Global consumer healthtech platform
What you will do
- Develop, fine-tune, and optimize proprietary and open-source large language models for domain-specific health applications.
- Design and maintain automated pipelines for model training, evaluation, and deployment across diverse AI workloads.
- Build LLM evaluation frameworks to measure model safety, medical accuracy, and overall performance at scale.
Who this is a fit for
- Has 4+ years of professional experience building and deploying production-grade AI/ML systems within a cloud environment.
- Possesses deep engineering experience with LLM infrastructure, including fine-tuning techniques like LoRA and SFT.
- Is proficient in Python and modern ML tools such as Databricks, MLflow, and experiment tracking systems.
Why this role is remarkable
- Work on a product with over 500 million downloads, directly impacting the health and wellness of a massive global user base.
- Join a unicorn-valuation organization backed by top-tier global private equity and venture capital firms.
- Lead the transition into a privacy-first, AI-powered future by building the central infrastructure that powers every product team's AI initiatives.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.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.
I recruit from Jack’s network and make the intro when I spot a great match.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.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
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 your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.