Javascript Developer

Location: Noida (Onsite) Work Hours: 12:00 PM – 9:00 PM IST, Monday to Friday Experience: 2+ years (IT Services/Consulting domain) About the Role We’re seeking a Node.js + React Native Developer to build and maintain scalable back-end services and high-quality cross-platform mobile apps. You’ll work closely with designers, QA, and client stakeholders to deliver reliable solutions, with overlap for client collaboration during the 12–9 PM shift. Key Responsibilities Design, develop, and maintain REST/GraphQL APIs using Node.js (Express/Nest.js).

Build, ship, and maintain React Native apps for iOS and Android. Integrate third-party services and SDKs (payments, analytics, maps, push notifications). Write clean, testable, and reusable code; implement unit/integration tests (Jest/Mocha).

Optimize app performance, memory usage, and startup time; profile and fix bottlenecks. Manage app releases to App Store and Google Play; handle signing, certificates, and store listings. Collaborate with UI/UX for pixel-perfect, responsive UIs; implement React Navigation and deep linking.

Ensure security best practices (auth, secure storage, OWASP Mobile/Node guidelines). Participate in sprint planning, code reviews, and client demos; provide accurate estimates. Troubleshoot production issues, monitor logs/metrics, and drive root cause analysis.

Required Qualifications 2+ years of professional experience in IT services/consulting delivering client projects. Strong proficiency in JavaScript/TypeScript. Hands-on experience with: Node.js, Express or Nest.js, REST/GraphQL, JWT/OAuth.

React Native, Redux/RTK or Context API, React Navigation, native modules bridging. Mobile build tools: Xcode, Android Studio, Gradle, Fastlane (nice to have). Databases: PostgreSQL/MySQL and/or NoSQL (MongoDB), ORM/ODM (Prisma/TypeORM/Mongoose).

API integration, error handling, offline storage (AsyncStorage/SQLite/realm). Git, CI/CD (GitHub Actions/GitLab), and common DevOps workflows. Solid understanding of mobile app lifecycle, app store processes, and crash/analytics tools (Firebase, Sentry).

Experience working in Agile/Scrum teams with client communication. Strong problem-solving, attention to detail, and ownership mindset. Nice to Have Experience with WebSockets/real-time features.

Knowledge of React Native performance tooling (Flipper, Hermes). Familiarity with Docker, containerized Node services, and cloud platforms (AWS/GCP/Azure). Experience with payments, subscriptions, and in-app purchases.

Basic knowledge of native iOS/Android (Swift/Kotlin) for custom modules. What We Offer Competitive salary and performance incentives. Opportunity to work on diverse client projects in a collaborative environment.

Learning budget, certifications, and mentorship. 5-day work week aligned to 12–9 PM IST for client overlap. How to Apply Send your resume, GitHub/portfolio links, and a brief note on your most impactful Node.js/React Native project to [email protected] with subject “Application: Node.js + React Native Developer – Noida”. Please include your notice period and current CTC.