Appealia Health
Founding Founding Data Engineer | Equity-Based AI Health Platform Startup Opportunity
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About Appealia Health
Appealia Limited is a UK-based health technology company developing Appealia Health, a patent-pending AI-powered preventive health intelligence infrastructure designed to help transform healthcare from reactive treatment towards continuous, personalised and preventive care. Our first commercial product, Guiden, is currently in active development and scheduled to launch in Autumn 2026. Guiden represents the first commercial application built on our patent-pending AI-powered Longitudinal Health Intelligence Infrastructure, providing the first commercial validation of the underlying technology while accelerating the evolution of the infrastructure that will support our future healthcare products.
Beyond Guiden, our long-term roadmap includes:
- Appealia Care – AI-enabled Personalised Health Companion & Concierge
- Appealia Health – Provider Intelligence Software Platform (SaaS)
As we enter this next phase of growth, we are looking for an exceptional founding AI engineer to help accelerate the evolution of our infrastructure and become one of the technical leaders shaping the future of Appealia Health.
The Opportunity
This is not a traditional Machine Learning Engineer role. As our Founding AI Engineer – Preventive Health Intelligence, you will become one of the Core Team Builders responsible for accelerating the AI-powered Longitudinal Health Intelligence Infrastructure that underpins the entire Appealia Health ecosystem. Working directly alongside the Founding team, you will help accelerate the next generation of our infrastructure, delivering the intelligence capabilities that power Guiden while accelerating the evolution of the shared infrastructure that underpins Appealia Care and the broader Appealia Health ecosystem. This is an opportunity to help build a category-defining AI Health Intelligence Infrastructure with the potential to transform preventive healthcare, rather than simply developing another machine learning application.
Key Responsibilities
AI Platform Engineering
- Accelerate the evolution of our AI-powered Longitudinal Health Intelligence Infrastructure
- Design and implement production-ready AI capabilities supporting longitudinal health intelligence
- Build scalable AI services, reusable intelligence components and production-ready AI capabilities
- Contribute to platform architecture, scalability and long-term technical direction
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Machine Learning & Data Engineering
- Design and optimise machine learning pipelines supporting longitudinal intelligence
- Build robust data pipelines across longitudinal health intelligence
- Develop feature engineering and representation learning approaches
- Evaluate, optimise and deploy production AI models
- Design explainable AI capabilities appropriate for healthcare applications
Research & Innovation
- Evaluate emerging AI techniques and research relevant to preventive healthcare
- Explore modern AI approaches including deep learning, sequence modelling, retrieval techniques and foundation models where appropriate
- Translate research into scalable production capabilities
- Continuously improve AI performance through experimentation and evaluation
Collaboration
- Work closely with the Founding Team
- Translate product strategy into scalable AI capabilities
- Collaborate with clinical and domain experts where appropriate
- Help establish engineering standards, documentation and technical best practices
- Contribute to the future growth of the AI engineering team
What We are Looking For
Essential
- 3+ years of experience building AI or Machine Learning systems.
- Strong Python software engineering skills.
- Experience with PyTorch, TensorFlow or equivalent frameworks.
- Experience building and deploying production AI or Machine Learning solutions.
- Experience designing scalable data pipelines and feature engineering workflows.
- Strong understanding of Machine Learning, Deep Learning and statistical modelling.
- Experience designing, evaluating and improving production AI systems using measurable performance metrics
- Experience working with cloud platforms such as AWS, Azure or Google Cloud.
- Excellent software engineering and problem-solving skills
- Ability to thrive in an early-stage startup environment where ownership and adaptability are essential
- Excellent communication, and collaboration skills
- Passionate about applying AI and Intelligence to preventive healthcare and making a meaningful difference in people's lives
Highly Desirable
- Experience developing AI-powered products
- Experience working with longitudinal series data
- Healthcare, MedTech or Digital Health experience
- Experience with Explainable AI or Responsible AI
- Experience with knowledge graph
- Experience with LLM Observability Tools
- Experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and modern AI frameworks and architectures
- Knowledge of healthcare interoperability standards such as FHIR, HL7 or SNOMED CT
- Previous startup or founding team experience
- Experience mentoring or leading technical teams
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What Success Looks Like
- Successfully deliver the AI capabilities supporting Guiden's commercial launch.
- Accelerate the evolution of our AI-powered preventive health intelligence infrastructure
- Build scalable AI services supporting the future development of Appealia Care and Appealia Health
- Establish robust AI engineering standards, evaluation frameworks and technical best practices
Why Join Appealia Health?
This is a rare opportunity to become one of the founding technical leaders of a company building AI with the ambition to transform how healthcare understands, supports and guides people over time.
You will have the opportunity to:
- Become one of the Core Builders shaping the future of Appealia Health.
- Work directly with the Founding Team
- Help accelerate the evolution of a patent-pending AI-powered Longitudinal Health Intelligence Infrastructure with the ambition to transform preventive healthcare
- Contribute to the commercial launch of Guiden and the evolution of future preventive healthcare products
- Influence architecture, engineering standards and AI strategy from day one.
- Grow into a senior AI leadership role as the company scales
- Share in the long-term success of the business through meaningful equity participation
Compensation
This is an equity-based founding opportunity for individuals who are excited about building a category-defining AI health technology company from the ground up. Equity participation will be offered based on experience, commitment and anticipated contribution. As the company progresses through funding milestones, the role is expected to transition into a salaried position alongside long-term leadership opportunities. If you're passionate about applying AI to solve meaningful healthcare challenges and want to help shape the future of preventive healthcare, we would love to hear from you.
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