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Lead Mobile/Firmware EngineerVital Growth Management Ltd • New York, New York, United States
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Lead Mobile/Firmware Engineer

Vital Growth Management Ltd
  • US
    New York, New York, United States
  • US
    New York, New York, United States
Apply Now

About

InhaleH2 is building a next‑generation wellness ecosystem centered around a smart hydrogen inhalation device and a companion mobile application. Our hydrogen gas inhalation unit delivers therapeutic H₂ mixed with purified air, and the InhaleH2 app will provide users with real‑time insights, session history, personalized wellness recommendations, and integrations with other personal health devices. Similar in concept to Fitbit, Oura, or Garmin.
We are a small team building a new platform from scratch and we are looking for a Lead Full‑Stack Engineer who will help define architecture, build major features, and guide future development.
Role Overview We’re seeking a versatile, experienced full‑stack engineer who is comfortable working across frontend, backend, mobile, and cloud architecture. You will lead development of the InhaleH2 app and ecosystem. This role is hands‑on and leadership oriented – you will write code daily while also mentoring future hires and driving engineering best practices.
What You’ll Work On
Build the InhaleH2 wellness app (React Native or similar) for iOS and Android
Develop responsive web features for account management and dashboards
Implement user onboarding, authentication, and device setup flows
Device Connectivity & Data
Integrate with the hydrogen inhalation device over Bluetooth and Wi‑Fi
Build telemetry systems for device status, usage logs, alerts, and sensor data
Enable cloud sync for session data and user history
Implement firmware update flows
Health & Wellness Features
Session tracking, real‑time monitoring, and usage analytics
Personalized insights, patterns, and wellness scoring
Integration with Apple Health, Google Fit, and other health platforms
Notifications and habit‑building features (reminders, streaks, progress points)
Architect and maintain backend services and APIs
Design data models and database schema
Build secure, scalable cloud components (AWS)
Implement CI/CD pipelines and monitoring tools
Collaborate with product and design from ideation through deployment
Establish engineering best practices, code review processes, and documentation
Mentor junior developers and help grow the engineering team
Participate in planning, scoping, and roadmap discussions
What We’re Looking For
7+ years of full‑stack engineering experience
Strong experience with modern frontend frameworks (React / React Native preferred)
Strong backend experience (Node.js, Python, or similar)
Experience building and scaling mobile applications
Solid foundation in database design and API architecture
Comfort integrating with hardware devices (Bluetooth, Wi‑Fi, or IoT protocols)
Experience with cloud platforms (AWS) and DevOps best practices
Ability to take a feature from concept to production independently
Strong communication skills and leadership qualities
Thrives in an early‑stage startup environment with fast iteration cycles
Nice to Have
Experience with health/wellness apps or wearable tech
Background in sensor data processing or biometrics
Experience integrating third‑party health data sources
Prior experience in an early‑stage startup role
PTO and paid holidays
Fully remote work environment
Opportunity to grow into senior leadership
Compensation
Competitive salary commensurate with experience
Bonuses based on performance
Royalties potential for early employees
Seniority level Mid‑Senior level
Employment type Full‑time
Job function Engineering and Information Technology
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  • New York, New York, United States

Languages

  • English
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