Architect/ Senior Lead React Native (Mobile Apps)

Hello,

My name is Sreeja and I represent TestingXperts Inc. TestingXperts is a Specialist QA & Software Testing Company, and an Independent Software Testing division of Damco Group, which is a leading IT Solutions and Services company working with Fortune Enterprises globally. Inheriting the virtues of job quality and optimal user satisfaction from Damco Group, TestingXperts aims at promoting the ethics of connected innovation, thereby seeding the integral values in our employees and achieving unmatched contentment in our clients. To know more about Testingxperts Inc., please visit our website .

If you are interested in the opportunity listed below, please forward your updated resume along with current contact information, or perhaps you can recommend someone who would be interested in this position

Job Title: Architect/ Senior Lead React Native (Mobile Apps)
Location: Framingham, MA (Onsite from day one, remote not allowed)
Duration: 1 Year

Mandatory Skills: React Native, TypeScript, Expo, and modern mobile architecture patterns.

Job Description: We're looking for a Senior Lead Engineer React Native with deep experience designing and building scalable, high-performance mobile applications using React Native, TypeScript, Expo, and modern mobile architecture patterns. This role will play a critical part in shaping the technical direction of our mobile platform, driving architecture decisions, optimizing performance, and delivering enterprise-grade mobile experiences.

Key Responsibilities:
Provide technical leadership and oversee the daily mobile engineering operations.
Define and drive the mobile architecture strategy aligned with business goals.
Lead the design and development of scalable, high-performance mobile applications using React Native and TypeScript.
Architect modular, reusable component systems and scalable state management solutions (Redux, Zustand, Context API, etc.).
Design clean navigation, deep linking, and mobile routing strategies (React Navigation, Expo Router).
Implement secure authentication flows (OAuth/OIDC, biometrics, secure storage, token lifecycle management).
Drive native module integrations (Swift, Kotlin) for SDKs such as payments, fraud detection, analytics, push notifications, and device security.
Optimize mobile performance (startup time, bundle size, memory usage, rendering performance, offline caching).
Establish CI/CD pipelines for mobile (Fastlane, EAS Build, App Store Connect, Google Play Console).
Lead app release management, versioning strategy, and store compliance.
Ensure adherence to mobile security best practices, privacy compliance, and accessibility standards.
Partner with backend teams to define API contracts and optimize mobile-backend interactions.
Champion automated testing (Jest, React Native Testing Library, Detox) and code quality standards.
Participate in architecture reviews and roadmap planning for long-term mobile platform scalability.

Basic Qualifications
10+ years of software development experience.
6+ years of hands-on mobile development experience.
4+ years leading React Native applications in production environments.
Proven experience delivering apps to both Apple App Store and Google Play Store.
Experience working with cloud-based backends (Azure, AWS, or Google Cloud Platform).
Strong experience with CI/CD pipelines, automated testing, and DevOps best practices.
Strong hands-on experience building production-grade apps using React Native and TypeScript.
Deep understanding of Expo ecosystem (EAS, OTA updates, build pipelines, native configuration).
Expertise in mobile architecture patterns (Clean Architecture, MVVM, modular architecture).
Experience integrating native iOS (Swift) and Android (Kotlin) modules into React Native apps.
Strong understanding of app lifecycle, memory management, threading, and performance tuning.
Experience implementing push notifications, deep linking, analytics SDKs, and mobile security frameworks.
Experience with API integrations (REST, GraphQL) and handling network resiliency/offline-first design.