ReactJS Developer

Job highlights

• Required Skills & Expertise
• Improve Core Web Vitals (FCP,LCP,CLS,TTI) for SEO and user experience. . Use lazy loading,code splitting,and CDN caching for performance. . Monitor performance via dashboards and analytics tools.
• Expertise in Redux and state management libraries. . Hands-on experience with Firebase (Auth,Firestore,Hosting,Messaging).
• . Good to Have

Position Overview

We are seeking a highly skilled ReactJS Developer to design, develop, and optimize web applications with a focus on performance, analytics, payments, and location-based solutions. The ideal candidate will have strong expertise in ReactJS, Firebase, GA4, Google Maps, CDN integration, payments, and dashboards, with a proven ability to deliver secure, scalable, and high-performing applications. You will work closely with product managers, designers, and backend engineers to build seamless user experiences while optimizing Core Web Vitals (FCP, LCP, CLS) and ensuring top-class security for sessions, storage, and token-based authentication.

Key Responsibilities

• Build and maintain modern, scalable ReactJS applications with reusable components.

• Implement state management using Redux for predictable application flow.

• Develop responsive dashboards with real-time data visualization.

• Integrate Firebase services (authentication, Firestore, cloud functions, hosting, push notifications).

• Configure and track user events using Google Analytics 4 (GA4).

• Implement Google Maps API for maps rendering, routing, geocoding, and custom markers.

• Set up CDN integration (Cloudflare, Akamai, AWS CloudFront) for faster delivery.

• Build and consume RESTful APIs for data exchange and microservice integrations.

• Implement payment gateways ( Razorpay, PayPal, UPI, digital wallets, subscriptions).

• Handle secure sessions, tokens (JWT/OAuth2), and encrypted storage.

• Ensure compliance with PCI DSS and other payment security standards.

• Integrate location tracking for real-time services.

• Build geofencing and proximity-based solutions.

• Optimize user experiences with location-based personalization.

• Improve Core Web Vitals (FCP, LCP, CLS, TTI) for SEO and user experience.

• Use lazy loading, code splitting, and CDN caching for performance.

• Monitor performance via dashboards and analytics tools.

• Apply Tailwind CSS and Material Design frameworks for modern, responsive UI.

• Ensure cross-browser compatibility and accessibility standards (WCAG).

Required Skills & Expertise

• Strong proficiency in ReactJS (hooks, functional components, lifecycle).

• Expertise in Redux and state management libraries.

• Hands-on experience with Firebase (Auth, Firestore, Hosting, Messaging).

• Knowledge of GA4 integration and event-driven analytics.

• Practical experience with Google Maps API (maps, routes, geolocation).

• Knowledge of payment gateways and digital payment systems.

• CDN integration experience for performance optimization.

• Strong skills in HTML5, CSS3, JavaScript (ES6+), Tailwind CSS, Material UI.

• Good understanding of sessions, tokens, and secure storage.

• Experience with RESTful APIs and JSON-based integrations.

• Familiarity with Core Web Vitals optimization strategies.

• Understanding of analytics dashboards and reporting tools.

Good to Have

• js experience (SSR, SSG, SEO).

• Knowledge of TypeScript.

• Familiarity with GraphQL.

• Experience with testing frameworks (Jest, Cypress, RTL).

• Knowledge of CI/CD pipelines and DevOps practices.

• Experience with location-based notifications and IoT integrations.

Soft Skills

• Strong analytical and problem-solving mindset.

• Excellent communication and teamwork abilities.

• Attention to detail with a strong focus on UI/UX.

• Ability to thrive in agile and fast-paced environments.

• Experience with Cursor or similar AI-powe'red coding assistants.

• Familiarity with AI-based developer productivity tools.