Founding Engineer: Wearables, Data & Personalization

Healf; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

Healf, Europe\'s fastest-growing company, is hiring a Founding Engineer for the Deeper Engagement team. You will define the technical architecture and own integrations of wearable data, behavioural signals, and personalised engagement at scale.

This is a 0-to-1 role with direct access to the CTO and founder. Work closely with the CTO and founder to shape a 0-to-1 platform, make critical infrastructure decisions, and set the standards for how the team builds, ships, and evolves as the product

Qualifications

• 0-to-1 experience: built something from scratch and taken ownership.
• Strong Python backend engineering.
• React Native or equivalent mobile development experience.

Responsibilities

• Define and build the technical architecture for the Deeper Engagement team from the ground up.
• Own wearable data integrations, backend APIs, and the mobile experience end-to-end.
• Make the hard infrastructure decisions: stack, data model, and system design choices for long-term product growth.
• Partner with product and the CTO to translate the engagement vision into a production system that improves continuously.
• Set the standard for how the team builds, ships, and iterates as it grows.

Skills

Python backend

React Native

Ownership mindset

Ambiguity tolerance

Job description

Healf, Europe\'s fastest-growing company, is hiring a Founding Engineer for the Deeper Engagement team. You will define the technical architecture and own integrations of wearable data, behavioural signals, and personalised engagement at scale.

This is a 0-to-1 role with direct access to the CTO and founder. Work closely with the CTO and founder to shape a 0-to-1 platform, make critical infrastructure decisions, and set the standards for how the team builds, ships, and evolves as the product