Lifecycle Health
Co-founder - CTO
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Founding CTO / Technical Co-Founder — Lifecycle Health
Location: UK/EU-based
Type: Co-founder / full-time
Compensation: Equity share available, with salary dependent on funding stage
Lifecycle Health is looking for a Founding CTO / Technical Co-Founder to help build the next stage of our privacy-first health data platform.
Lifecycle Health turns scattered health signals from wearables, body composition, nutrition, activity, sleep, and recovery into clear weekly progress reviews for individuals, coaches, personal trainers, gyms, wellness businesses, and future specialist-care settings.
Most people already collect more health data than ever. The problem is that it lives across different apps, devices, exports, and dashboards. Lifecycle Health brings those signals together, structures them, and helps users understand what changed, what matters, and what to focus on next.
The platform already has a working product foundation, including subscription flows, data import, weekly summaries, coach/client workflows, and AI-assisted review capability. We are now looking for a technical leader who can take ownership of the architecture, integrations, data model, security, scalability, and long-term product roadmap.
This is a hands-on founding role, not a corporate CTO position. You should be comfortable moving between strategy, architecture, product thinking, and hands-on delivery.
What you’ll lead
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- Technical strategy, architecture, and roadmap for the Lifecycle Health platform
- Health data import and normalization across sources such as Apple Health, Garmin, Fitbit, Withings, Oura, WHOOP, and other wearable/nutrition platforms
- The evolution from manual Drop Zone imports to connected-source sync, OAuth integrations, and future mobile companion capability
- Secure handling of sensitive health, wellness, and client data
- AI-assisted weekly review workflows, including privacy-safe summaries and non-medical insight generation
- Coach, trainer, gym, and future specialist-care dashboards
- Build-versus-buy decisions across infrastructure, authentication, payments, AI, data storage, and integrations
- Engineering standards, testing, deployment process, and technical governance
- Recruitment and leadership of the future engineering team
What we’re looking for
- Strong software engineering and architecture background
- Experience building scalable SaaS platforms
- Strong understanding of APIs, integrations, data pipelines, and normalized data models
- Experience with privacy, security, and sensitive user data
- Practical understanding of GDPR and data protection in EU markets
- Experience with AI-enabled products, LLM integrations, or applied data intelligence would be a major advantage
- Experience with health, fitness, wearable, wellness, digital health, or healthcare technology would be highly valuable
- Comfortable working in an early-stage startup where priorities move quickly
- Able to translate product and commercial goals into clear technical decisions
- Strong product instincts, not just engineering instincts
- Willing to work closely with founders, partners, coaches, users, and early customers
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Nice to have
- Experience with React / TypeScript / Node / modern cloud infrastructure
- Experience with wearable or health-data APIs
- Experience with OAuth-based data sync
- Experience with Apple HealthKit, Google Health Connect, or mobile companion apps
- Experience with Stripe subscription platforms
- Experience building privacy-safe AI workflows
- Experience operating in regulated or compliance-sensitive environments
Important
Lifecycle Health is not a diagnostic, prescribing, or emergency-monitoring platform. We are building a privacy-first health-data intelligence layer that helps people, coaches, and organizations make better sense of the data they already collect.
This role must be based in the UK/EU.
Equity share is available for the right person. We are looking for someone who wants to help build the company, not just take a technical brief.
If you are excited by health data, AI-assisted insight, wearables, behavior change, coaching workflows, and the opportunity to build a serious platform from the ground up, we would love to talk.
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