Sr. React JS Developer

✦ Position Summary: Sr. React JS Developer

✦ Location: Sec-64, Noida

✦ Position Summary:

modern software solutions

✦ Duties and Responsibilities:

• Participate in the 

  design, development, customization

  , and 

  maintenance

   of software applications.
• Collaborate with backend, mobile, design, and product teams to rapidly develop and ship features in 

  2-3 week sprints

  .
• Design and develop 

  secure

  , 

  high-performance

  , and 

  scalable frontend applications

  .
• Translate business and technical requirements into well-structured, 

  reusable

  , and 

  testable components

  .
• Implement features in 

  React.js, Next.js, and TypeScript

   using modern frontend engineering practices.
• Design 

  highly responsive user interfaces

   with attention to detail and performance.

• Optimize performance

   and 

  improve rendering efficiency

   across multiple devices and browsers.
• Work with 

  RESTful APIs

  , HTML, CSS, and JavaScript to create seamless experiences.
• Write 

  clean, well-documented code

   and participate in 

  code reviews and refactoring

  .
• Integrate frontend with backend APIs, cloud services, and external tools.
• Work closely with the 

  Engineering Manager

   on all aspects of the product lifecycle.
• Demonstrate the ability to work independently in a fast-paced environment with tight deadlines and multiple projects.

✦ Required Skills and Qualifications:

• 6–10 years of experience

   in frontend development.
• Proficient in 

  JavaScript

   (ES6+), 

  TypeScript

  , and modern JavaScript concepts like closures, callbacks, and IIFE.
• Deep understanding of 

  React.js

   and its core principles.
• Experience with 

  Next.js

   for server-side rendering and optimized frontend performance.
• Proficient in frontend technologies: 

  HTML5

  , 

  CSS3

  , 

  SASS

  , 

  Bootstrap

  , and 

  Tailwind CSS

   (if applicable).
• Strong experience with 

  React state management

   libraries like 

  Redux

   or 

  Context API

  .
• Experience building 

  reusable components

   and 

  frontend libraries

  .
• Ability to work with 

  RESTful APIs

  , authentication, and secure frontend development using 

  JWT (JSON Web Tokens)

  .
• Knowledge of 

  frontend build tools

   and bundlers like Webpack, Babel, and NPM.
• Familiarity with 

  Git

  , Azure Repos, or other code versioning tools.
• Experience with 

  testing tools

   such as Jest, Enzyme, Zest, React Testing Library.
• Good experience in 

  code optimization

  , 

  debugging

  , and 

  refactoring

   for performance.
• Working experience with 

  CI/CD pipelines

  , Agile methodologies (Scrum), and DevOps culture.
• Proficiency with 

  cloud platforms

   (Azure, AWS, GCP) and deploying frontend apps to cloud infrastructure.

✦ Micro frontend Architecture

• Practical experience implementing 

  Micro frontend architecture

   in large-scale applications.
• Ability to 

  split monolithic applications

   into modular, independently deployable micro-apps.
• Hands-on experience with 

  module federation (Webpack 5)

  , 

  Single-SPA

  , 

  Nx

  , or similar tools.
• Knowledge of 

  container applications

  , cross-team collaboration, and integration strategies.
• Experience enabling 

  independent release cycles

  , ownership per module, and fault isolation.
• Comfortable working in an 

  enterprise environment

   with 

  cross-functional teams

   maintaining different parts of a unified application.

✦ React Performance Optimization

• Deep expertise in identifying and fixing 

  performance bottlenecks

   in React applications.
• Experience with tools like 

  React DevTools

  , 

  Chrome Performance Profiler

  , and 

  Lighthouse

  .
• Knowledge of 

  virtual DOM diffing

  , reconciliation, and 

  render optimization

   strategies.
• Implementation of 

  memoization techniques

   (React.memo, useMemo, useCallback) for avoiding unnecessary renders.
• Hands-on experience in 

  code splitting

  , 

  lazy loading

   (React.lazy, Suspense), and 

  tree shaking

   to reduce bundle size.
• Optimizing 

  Core Web Vitals

   such as FCP, TTI, and LCP for better user experience.
• Familiarity with 

  virtualized lists

   (react-window, react-virtualized) for large data rendering.
• Experience in 

  resource loading optimization

   (image compression, asset prefetching, browser caching, service workers).

✦ Nice to Have Skills and Qualifications:

• Prior experience working in 

  start-up culture

   or 

  fast-growing tech companies

  .
• Experience in 

  Agile Safe frameworks

  , including 

  PI Planning

  .
• Exposure to 

  Ed-Tech

   or 

  E-Learning

   platforms and digital education products.
• Any 

  Frontend Developer Certification

   (e.g., React, JavaScript, Azure frontend tools).

✦ Professional and Behavioural Competencies:

• Strong interpersonal skills and ability to influence decisions across teams.
• Ability to communicate clearly and effectively with both technical and non-technical stakeholders.
• Excellent 

  analytical and problem-solving skills

   with a structured approach to tasks.
• Strong 

  customer-centric mindset

   and focus on creating optimal user experiences.
• Self-starter who is 

  detail-oriented

  , 

  organized

  , and 

  delivery-focused

  .
• Strong ability to multitask and manage competing priorities in a dynamic environment.
• Cross-cultural awareness and experience working with 

  global teams

   and 

  international clients

  .

✦ Educational Qualifications:

• Bachelor’s or Master’s Degree

   in Computer Science, Engineering, or a related field.