Mobile Architect

Careernet; Chennai District; On-site; INR 1,800,000 - 2,500,000; Full time

Job summary

Careernet is seeking a Senior Lead Engineer React Native to design and build scalable mobile applications. You will collaborate with various teams and lead mobile engineering operations.

The ideal candidate will have extensive experience in React Native and mobile architecture, coupled with strong leadership skills. This role involves driving architectural decisions to optimize application performance and contributing to the technical direction of the mobile platform.

Qualifications

• 10+ years of software development experience.
• 6+ years of hands-on mobile application development.
• 4+ years leading React Native applications in production environments.

Responsibilities

• Provide technical leadership and oversee day-to-day mobile engineering operations.
• Define and drive the mobile architecture strategy aligned with business and product goals.
• Lead the design and development of scalable, high-performance mobile applications.

Skills

React Native Development

TypeScript

Mobile Architecture Patterns

CI/CD Pipelines

Agile Development

Education

Bachelor's or Master's degree in Computer Science, Engineering, or related field

Tools

Expo

Swift

Kotlin

Jest

Job description

Role Overview: We are seeking a Senior Lead Engineer React Native with deep expertise in designing and building scalable, high-performance mobile applications using React Native, TypeScript, Expo, and modern mobile architecture patterns. This role will play a key part in shaping the technical direction of our mobile platform, driving architectural decisions, optimizing application performance, and delivering enterprise-grade mobile experiences. You will work closely with Engineering, Product, Design, Backend, and DevOps teams to build highly responsive, secure, and maintainable iOS and Android applications. We are looking for a leader who can operate strategically while remaining hands‑on someone who enjoys solving complex mobile challenges while influencing long‑term platform evolution.

Key Responsibilities

• Provide technical leadership and oversee day‑to‑day mobile engineering operations.
• Define and drive the mobile architecture strategy aligned with business and product 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 robust navigation, deep linking, and mobile routing strategies using React Navigation or Expo Router.
• Implement secure authentication flows including OAuth/OIDC, biometrics, secure storage, and token lifecycle management.
• Drive native module integrations using Swift (iOS) and Kotlin (Android) for SDKs such as payments, fraud detection, analytics, push notifications, and device security.
• Optimize mobile performance including startup time, bundle size, memory usage, rendering performance, and offline caching.
• Establish CI/CD pipelines for mobile applications using tools such as Fastlane, Expo Application Services (EAS), App Store Connect, and Google Play Console.
• Lead application release management, versioning strategy, and app store compliance.
• Ensure adherence to mobile security best practices, privacy compliance, and accessibility standards.
• Collaborate with backend teams to define API contracts and optimize mobile‑backend interactions.
• Champion automated testing practices using Jest, React Native Testing Library, and Detox to maintain high code quality.
• Mentor engineers and foster a culture of ownership, craftsmanship, and continuous improvement.
• Participate in architecture reviews and long‑term roadmap planning for mobile platform scalability.

Required Skills & Expertise

• Strong hands‑on experience building production‑grade applications using React Native and TypeScript.
• Deep understanding of the Expo ecosystem, including EAS, OTA updates, build pipelines, and native configuration.
• Expertise in mobile architecture patterns such as Clean Architecture, MVVM, and modular architectures.
• Experience integrating native iOS (Swift) and Android (Kotlin) modules within React Native applications.
• Strong knowledge of mobile application lifecycle, memory management, threading, and performance optimization.
• Experience implementing push notifications, deep linking, analytics SDKs, and mobile security frameworks.
• Familiarity with modern authentication protocols including OIDC, PKCE, and secure token handling.
• Experience integrating APIs (REST, GraphQL) and implementing resilient networking and offline‑first application design.
• Strong knowledge of mobile DevOps, CI/CD pipelines, and release governance.
• Proven ability to collaborate within Agile development environments and influence cross‑functional stakeholders.
• Ability to balance hands‑on development with strategic architectural leadership.

Basic Qualifications

• Bachelors or Masters degree in Computer Science, Engineering, or a related field, or equivalent professional experience.
• 10+ years of software development experience.
• 6+ years of hands‑on mobile application development.
• 4+ years leading React Native applications in production environments.
• Proven experience publishing applications to both Apple App Store and Google Play Store.
• Experience working with cloud‑based backend platforms such as Azure, AWS, or GCP.
• Strong experience with CI/CD pipelines, automated testing frameworks, and DevOps practices.
• Demonstrated leadership experience mentoring engineers and guiding technical direction.
• Strong analytical and problem‑solving skills with the ability to make strategic architectural decisions balancing business and technical requirements.