Full-stack app developer

Full-Stack App Developer - HiWoxAbout HiWox

HiWox is a next-generation personalised healthcare and wellness intelligence ecosystem built around a Healthcare Operating System (HOS).

We are building a system that collects and structures data across 9 wellness dimensions, processes it through proprietary rule-based intelligence, and generates explainable, evidence-backed and consultant-validated personalised recommendations, rituals and wellness programs.

Role

Full-Stack App Developer - Equity-Based Founding Role

We are looking for a Full-Stack App Developer who can take ownership of building and scaling the technology infrastructure behind HiWoxs mobile and web ecosystem.

This is an equity-only founding-team opportunity, designed for someone who wants long-term ownership in building the product rather than working as a conventional salaried developer.

Key Responsibilities

• Mobile & Web Application Development

  • Build, maintain and improve HiWoxs mobile and web applications.
  • Develop scalable frontend and backend systems.
  • Build clean, responsive and reliable user experiences.

• Backend & APIs

  • Design and develop APIs, backend services and business logic.
  • Build secure authentication, user management and role-based access.
  • Develop database structures and data-management systems.

• HiWox 9-Domain Ecosystem

  • Build technology structures for collecting and managing data across all 9 wellness dimensions.
  • Support assessments, consultations, wellness scores, recommendations, rituals and personalised programs.
  • Ensure different wellness datasets can work together within a unified architecture.

• Dashboards & User Journeys

  • Develop dashboards for clients, consultants, HiWox Captains, partners and internal teams.
  • Build workflows covering onboarding, assessment, data collection, consultation, recommendations, progress tracking and reporting.
  • Implement compliance, engagement and transformation tracking.

• Intelligence & Data Integration

  • Integrate HiWoxs rule-based recommendation and intelligence systems into the product.
  • Work with Data Scientists and Healthcare Scientists to convert intelligence frameworks into functional product features.
  • Build systems for structured data collection, processing and recommendation delivery.

• Devices & Integrations

  • Integrate healthcare devices, wearables, sensors and third-party APIs.
  • Build reliable pipelines for collecting and displaying biometric and wellness data.
  • Support future expansion toward phone sensors, wearables and connected-health technologies.

• Security & Scalability

  • Implement appropriate healthcare data privacy and security practices.
  • Optimise application performance, reliability and scalability.
  • Design architecture capable of supporting growing users, partners and data volumes.

• Testing, Deployment & Maintenance

  • Debug, test and continuously improve applications.
  • Manage deployment, monitoring and technical documentation.
  • Establish development practices that allow the product and engineering team to scale.

• Cross-Functional Product Development

  • Work closely with the Product Owner, UI/UX team, Data Scientists, Healthcare Scientists and Wellness Consultants.
  • Translate product and healthcare requirements into functional technology solutions.
  • Participate in product validation and continuously improve the platform based on user feedback.

Ideal Candidate

• Strong experience in full-stack application development.
• Experience with mobile and/or web application development.
• Strong understanding of frontend, backend, APIs and databases.
• Experience with technologies such as React/React Native, Node.js, Python, SQL/NoSQL and cloud platforms is preferred.
• Understanding of authentication, APIs, integrations and scalable architecture.
• Experience working with data-driven, AI/ML, HealthTech, FinTech or other complex products is an advantage.
• Strong problem-solving and ownership mindset.
• Comfortable working in an early-stage startup environment.
• Willingness to contribute strategically, not just execute assigned tickets.

Engagement

• Position: Full-Stack App Developer
• Nature: Equity-Only Founding Role
• Time Commitment: Part-time, approximately 20-25 hours/week
• Location: Remote / Hybrid
• Compensation: Equity only at the current stage
• Fixed salary: Planned after fundraising and revenue stabilisation
• Equity: Based on contribution, technical expertise, responsibility, commitment and long-term ownership
• Vesting: 5-year vesting for core founding members

What You Will Build

You will be responsible for helping build the technology backbone of HiWox - from user onboarding and wellness assessments to data collection, dashboards, consultations, rule-based intelligence, personalised recommendations, progress tracking and healthcare-device integrations.

This is an opportunity to become a technology owner within the founding team and help build HiWox from its early product stage into a scalable healthcare and wellness intelligence platform.

Disclaimer: This job posting and Location has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.