Senior Mobile Engineer (React Native)

Binariks is looking for an experienced Senior Mobile Engineer (React Native) to embed directly within one of the client’s existing product teams. You will work side by side with in-house engineers, designers, QA specialists, and product managers to ship features that bring research-grade digital health products into the hands of patients, clinicians, and study participants.

• Build and ship state-of-the-art mobile features in React Native
• Develop, test, and review code
• Implement modules that connect to wearable sensors and devices via Bluetooth Low Energy (BLE)
• Contribute to the existing Wear OS companion app (Kotlin) where collaboration is required
• Engage with security, privacy, and regulatory requirements (GDPR, HIPAA) when handling patient or study data
• Collaborate closely with UX Design, Backend Engineering, QA, and Product Management

• 5+ years of professional experience as a mobile or frontend engineer
• 2+ years hands-on experience with React Native in production
• Experience shipping native or cross-platform mobile apps on Android
• Solid command of TypeScript / JavaScript, HTML, CSS, and the React ecosystem
• Experience integrating native modules and bridging to platform APIs
• Strong focus on performance, semantic markup, accessibility, and security
• Experience with mobile testing and CI/CD pipelines for mobile releases
• Experience in Healthcare projects (knowledge of GDPR, HIPAA)
• Professional written and spoken English