Senior Mobile Application Developer

Gravity IT Resources; New York (NY); Remote; USD 130,000 - 160,000; Full time

Job summary

A tech-driven health solutions company is seeking a Senior Mobile Application Developer to lead the architecture and development of a cutting-edge mobile platform aimed at obesity and chronic disease management. The ideal candidate will have extensive experience in mobile app development, particularly with React Native, and a strong passion for user-centric design. This remote or NYC-based role includes ensuring HIPAA compliance and integrating health data APIs.

Qualifications

• 7-10+ years of mobile app development experience.
• Experience shipping consumer-facing wellness or health apps.
• Strong UX sensibility and user-centric design passion.

Responsibilities

• Architect and maintain the cross-platform React Native application.
• Integrate health data APIs and ensure HIPAA compliance.
• Create and iterate design solutions using Figma.

Skills

Mobile app development

UX design

React Native

Node.js

Tools

Figma

AWS

GitHub

Job description

Job Title: Senior Mobile Application Developer

Location: Remote or NYC-based
Type: Full-Time

Company Mission
Developing a cutting-edge, data-driven mobile platform that integrates GLP-1 medication management, personalized nutrition, exercise, and AI-powered health coaching to address obesity and chronic disease treatment.

Key Responsibilities
This role requires a versatile developer who will essentially own the entire technical ecosystem, including:

• Architect and maintain the cross-platform React Native application (iOS & Android)
• Own the entire codebase including admin dashboard and APIs
• Ensure HIPAA compliance across all features
• Integrate health data APIs (Apple HealthKit, Google Fit, InBody, wearable devices)

Feature Development

• Build gamification features (streaks, XP, badges, progress visualization)
• Develop habit tracking and smart health coaching modules
• Implement GLP-1 medication management features
• Create real-time messaging and voice/text coaching capabilities

Design & UX

• Create and iterate design solutions in Figma (wireframes, prototypes, visual assets)
• Translate clinical and wellness goals into intuitive app features
• Balance user experience with clinical effectiveness

Strategic Impact

• Solve low utilization rates through intelligent automation
• Build scalable solutions for corporate client onboarding
• Create meaningful health metrics for employer reporting
• Support competitive differentiation through data-driven features

Current Tech Stack Context
Based on the handoff documents, the existing infrastructure includes:

• Frontend: React Native (cross-platform)
• Backend: Node.js + TypeScript (monolithic)
• Database: AWS RDS MySQL
• Infrastructure: AWS (ECR, ECS, ALB, S3, CloudFront, Route53)
• Authentication: AWS Cognito
• CI/CD: AWS CodePipeline
• Monitoring: CloudWatch

Admin Dashboard/AI Features

• Frontend: React, TypeScript, Tailwind CSS (Vercel)
• Backend: Flask API (Python) on AWS Lambda
• Database: PostgreSQL
• AI Integration: OpenAI (with BAA), ElevenLabs (with BAA)

Required Tech Stack Expertise

• React Native (iOS/Swift & Android/Kotlin)
• Firebase / Supabase / AWS
• Node.js / TypeScript backend
• RESTful APIs / GraphQL
• Figma for design
• GitHub, CI/CD pipelines

Qualifications
Required:

• 7-10+ years of mobile app development experience
• Experience shipping consumer-facing wellness, health, or fitness apps
• Strong UX sensibility and user-centric design passion
• Ability to thrive in fast-paced startup environments

Strong Plus:

• Real-time chat, audio/voice interfaces experience
• Health integrations experience
• Healthcare data, HIPAA compliance, or digital therapeutics background

Key Challenges & Opportunities

1. Integration Complexity: Merging two existing tech stacks (ILABS Node.js/MySQL and Morningside Flask/PostgreSQL)
2. Full Ownership: This is essentially a solo or lead architect role with complete codebase responsibility
3. Regulatory Compliance: Maintaining HIPAA compliance across all new features
4. AI-Driven Engagement: Leveraging cutting-edge AI to improve user engagement and compliance
5. Corporate B2B2C Model: Building features that serve both end users and corporate clients

Equal Employment Opportunity Statement
Gravity IT Resources is an Equal Opportunity Employer. We are committed to creating an inclusive environment for all employees and applicants. We do not discriminate on the basis of race, color, religion, sex (including pregnancy, sexual orientation, or gender identity), national origin, age, disability, genetic information, veteran status, or any other legally protected characteristic. All employment decisions are based on qualifications, merit, and business needs.