Full-Stack Mobile Engineer (React Native & Node.js) - Blue Health Informatics

This job is with Blue Health Informatics. Blue Health builds healthcare technology and select complementary products that make a real difference. We move fast, learn continuously, and care deeply about the people who use our products and the teammates who build them.

Overview:

We are seeking a React Native Developer with strong backend experience to build and maintain secure, scalable, and high-performance mobile applications. This role combines mobile frontend development with a strong backend focus , where the engineer will work on APIs, integrations, cloud infrastructure, and services that power mobile experiences.

The ideal candidate is comfortable working across the mobile application layer and backend systems , with a strong emphasis on Node.js or similar backend technologies , and experience building secure, cloud-native applications.

Key Responsibilities

Backend Development (Primary Focus)

• Design, develop, and maintain backend services and APIs using Node.js (Express) or other approved backend technologies such as Python (FastAPI/Django) or Go.
• Build scalable, secure, and reliable backend systems that support mobile applications.
• Develop and maintain RESTful and/or GraphQL APIs consumed by mobile clients.
• Implement authentication, authorization, secure data handling, and compliance-aligned workflows.
• Work with Azure cloud services, including:
• Azure Functions
• Azure App Service
• Azure API Management
• Azure Cosmos DB
• Azure Event Grid / Service Bus
• Design backend pipelines supporting mobile use cases such as offline sync, caching, session handling, and telemetry.
  
  
  

Mobile Application Development (Secondary Focus)

• Build and maintain mobile applications using React Native.
• Implement mobile application logic, data flows, API integrations, and authentication flows.
• Handle mobile networking, error handling, offline support, and secure client-side data storage.
• Integrate third-party mobile services such as push notifications, analytics, identity providers, and messaging platforms.
• Support app deployment and updates for iOS and Android.
  
  
  

Quality, Performance & Collaboration

• Ensure high performance, reliability, and observability across backend and mobile systems.
• Write unit, integration, and end-to-end tests.
• Participate in CI/CD pipelines and automated testing workflows.
• Collaborate closely with product, design, frontend, and platform teams to deliver features and improvements.
  
  
  

Required Qualifications

• 3+ years of backend development experience using Node.js or similar backend technologies (Python, Go).
• Hands-on experience with React Native for mobile application development.
• Strong understanding of API design, microservices, and distributed systems.
• Experience with relational and NoSQL databases, such as PostgreSQL, MongoDB, or Cosmos DB.
• Solid knowledge of authentication, authorization, and secure data handling.
• Experience working with Azure cloud services or willingness to work extensively with Azure.
• Familiarity with CI/CD pipelines, testing frameworks, and monitoring/logging tools.
  
  
  

Preferred Qualifications

• Strong experience with Azure serverless architecture.
• Experience with IOS App Store and Google Play deployments.
• Familiarity with mobile testing frameworks (Jest, Detox, XCTest, Espresso).
• Knowledge of architectural patterns such as Clean Architecture or MVVM.
• Experience building event-driven or real-time systems using messaging services.
  
  
  

Why Join Us

• Work on impactful, real-world mobile and backend systems
• Build scalable, cloud-native applications
• Collaborate with a growing engineering team
• Work with US clients
• Opportunity to own features end-to-end across mobile and backend