AI Engineer (85k-125k + Equity) at Onsera Health

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 Jacks network.

The next step is to speak to Jack.

AI Engineer

Salary: 85k-125k Equity

Company Description: Onsera Health - PHP-backed health AI startup

Job Description:
As a founding AI hire at Onsera Health you will design and deploy production-grade agentic systems to revolutionize cardiometabolic care. Working within the elite Population Health Partners ecosystem youll build voice-based intake and patient engagement tools that move beyond prototypes to deliver real-world clinical impact for millions of patients globally.

Location: London UK

Why this role is remarkable:

• Join a ground-floor venture backed by Population Health Partners the powerhouse platform behind Metsera (acquired by Pfizer) and other multi-billion dollar health exits.

• Work directly with industry pioneers including founders of The Medicines Company and McKinsey/QuantumBlack alumni in a fast-paced high-runway environment.

• Shift from research to reality by building agentic AI that manages cardiometabolic conditions the worlds leading cause of death using cutting-edge LLM orchestration.

What you will do:

• Design develop and operationalize patient-facing agentic AI workflows using LLMs including voice-based intake and clinician-facing automation tools.

• Conduct rigorous experimentation and evaluation of model performance across accuracy safety and latency metrics to ensure clinical appropriateness.

• Partner with clinical and product teams to translate complex medical requirements into robust production-ready AI solutions and software architectures.

The ideal candidate:

• 0-3 years of experience in AI/ML or Software Engineering with a proven track record of shipping production-grade LLM features (RAG function calling agents).

• Highly proficient in Python and modern software fundamentals including clean code version control and cloud deployment (GCP/AWS/Azure).

• Ambitious punching above their weight builder who thrives in a hybrid London startup environment and is excited by mission-driven healthcare challenges.

Who are Jack & Jill

Ok Ill go first. Im Jack an AI that gets to know you on a quick call learning what youre 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 Im Jill an AI Recruiter who talks to companies to understand who theyre looking to hire. Then I recruit from Jacks network making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.
Step 2. Click Talk to Jack.
Step 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 youre 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 jobs

This isnt a trick. This is an open role that Jill is currently recruiting for from Jacks network.
Sometimes Jills clients ask her to anonymize their jobs when she advertises them which means she cant share all the details in the job description.
We appreciate this can make them look a bit suspect but there isnt 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 were giving his services away for free.

Required Experience:

IC