Architect/ Senior Lead

ob 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 GCP).
•    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.