You will be one of the first hires at a mission-driven startup redefining personalized healthcare. By leveraging rich voice and text data, you will build and fine-tune machine learning models and LLM-integrated APIs. Your work will bridge the gap between cutting-edge AI and human care to empower providers and patients.
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Senior Machine Learning Engineer at VC-backed healthtech startup
Are you ready to be a foundational hire at a mission-driven startup? We are looking for a Senior ML Engineer to bridge the gap between cutting-edge AI and human healthcare. You will build core systems from scratch, fine-tune LLMs using unique voice and text data, and help shape a platform that delivers personalized medical advisory services at scale. If you thrive in fast-paced environments and want to see your code directly improve patient lives, this high-impact role in London or Helsinki offers the autonomy and equity you've been searching for.
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Location
London, United Kingdom
Compensation
Not Disclosed + Equity
Company
Confidential company
Role overview
About the company
VC-backed healthtech startup
What you will do
- Develop and prototype new machine learning systems and LLM applications using unique proprietary healthcare datasets.
- Fine-tune existing models to optimize performance for specific clinical contexts and secure API integrations.
- Collaborate with cross-functional teams to ship impactful features quickly while ensuring safety and technical rigor.
Who this is a fit for
- Strong background in Python and ML libraries like PyTorch or TensorFlow, with experience in supervised and reinforcement learning.
- Hands-on expertise in fine-tuning Large Language Models, prompt engineering, and deploying models within cloud environments like AWS.
- Proactive startup mindset with a demonstrated ability to solve complex, real-world problems and communicate technical concepts clearly.
Why this role is remarkable
- Join as a foundational hire with the autonomy to shape the core technical infrastructure of a growing business from the ground up.
- Work on a product that genuinely improves lives by blending human medical wisdom with the frontier of generative AI technology.
- Supported by top-tier VCs, you will enjoy a high-growth environment with significant stock options and the chance to lead R&D efforts.
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.