React Js Developer
Cognizant · Pune, Maharashtra, India
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Cognizant · Pune, Maharashtra, India
Job Summary This hybrid Senior Software Engineer role focuses on designing and delivering scalable micro frontend applications using Module Federation Next Js React Js and TypeScript while integrating with REST APIs and PostgreSQL. The role requires deep expertise in testing frameworks responsive web design and modern build tools to create robust digital experiences that advance enterprise product quality and reliability. Essential Skills: • Mobile - React Native + React.js • Frontend - React.js Nginx • Backend - NestJS Node.js Typescript TypeORM • DB - PostgreSQL Responsibilities • Design and develop complex micro frontend applications using Module Federation Next Js React Js and TypeScript to create modular scalable and maintainable user interfaces that align with enterprise product strategy and performance expectations. • Implement and optimize React based components with Material UI and LESS styling to deliver visually consistent responsive web design experiences that support accessibility usability and high quality interactions for diverse customer segments. • Consume and integrate REST API services in frontend and Node JS contexts to ensure reliable data flow robust error handling and secure communication across micro frontend boundaries and backend systems. • Configure and maintain WebPack and NxJs build setups to support efficient bundling code splitting shared libraries and optimized developer workflows across multiple micro frontend projects and applications. • Develop and maintain Node JS services that complement frontend capabilities by providing secure endpoints orchestration logic and integration with PostgreSQL data stores for end to end feature delivery. • Design and tune PostgreSQL database queries and schemas to support responsive data access patterns consistent transaction handling and scalable application performance for critical business features. • Create and maintain comprehensive unit tests using JEST and React Testing Library to validate components hooks and modules ensuring that changes are safe regressions are minimized and code quality standards are consistently met. • Use GitHub for version control code review and branch management practices that encourage collaborative development transparent change history and reliable release cycles within a hybrid work environment. • Apply responsive web design principles across layouts typography and interactive components to ensure optimal experiences across desktop tablet and mobile devices for global users and varied network conditions. • Collaborate with cross functional peers in product design and backend engineering to refine requirements break down features and deliver incremental value that aligns with company objectives and customer outcomes. • Investigate debug and resolve complex defects and performance issues across micro frontend modules REST integrations and Node JS services to maintain high availability and dependable user journeys. • Document architectural decisions coding patterns and testing strategies for micro frontend and Next Js applications to support knowledge sharing onboarding efficiency and long term maintainability. • Align day to day engineering activities with organizational goals by prioritizing scalable solutions quality driven development practices and reusable patterns that contribute to sustainable digital products for society. Qualifications • Apply extensive experience of at least seven years in full stack or frontend engineering roles using React Js Next Js TypeScript and Node JS to design robust application architectures for enterprise environments. • Utilize deep hands on expertise with Module Federation micro frontend patterns to build distributed user interfaces that support independent deployment shared components and cohesive customer experiences. • Demonstrate strong proficiency in consuming REST APIs from browser and server side contexts including request optimization error handling and secure access control to protect data integrity. • Use advanced skills in JEST and React Testing Library to define testing strategies create high coverage suites and integrate tests into continuous integration pipelines for stable releases. • Employ practical experience with NxJs WebPack and related tooling to structure monorepos configure build pipelines and streamline dependency management across multiple applications. • Leverage solid knowledge of PostgreSQL to design tables indexes and queries that support transactional and analytical workloads for modern web applications. • Exhibit strong familiarity with Material UI LESS and responsive design techniques to craft accessible and consistent interfaces that meet branding and user experience standards. • Apply disciplined use of GitHub for branching models pull request workflows and issue tracking to maintain codebase integrity and enable effective hybrid collaboration. • Showcase experience with hybrid work models and day shifts by coordinating effectively across locations maintaining clear communication and delivering outcomes without requiring travel.