React.js & Angular Developer (with WebSocket Expertise)

Gapblue Software Labs; Kochi; On-site; INR 12,00,000 - 15,00,000; Full time

Job summary

A tech company is seeking a highly skilled Front-End Developer with 6+ years of experience in building scalable web applications using React.js and Angular. Responsibilities include developing high-performance applications, managing WebSocket connections for real-time communication, and collaborating with backend teams for API integration. Ideal candidates should possess a strong proficiency in JavaScript, TypeScript, and React workflows. This role offers an exciting opportunity to work on dynamic, real-time applications in a flexible environment.

Qualifications

• 6+ years of professional experience in front-end development.
• Strong proficiency in JavaScript & TypeScript.
• Hands-on experience with React.js workflows (e.g., Flux or Redux).

Responsibilities

• Design and develop modern, high-performance web applications.
• Implement and manage WebSocket connections for real-time communication.
• Collaborate with backend teams to integrate with RESTful APIs.

Skills

JavaScript

TypeScript

React.js

Angular

WebSocket programming

RESTful API integration

Git

Tools

Webpack

Babel

NPM

Job description

Overview

Job Description: React.js & Angular Developer (with WebSocket Expertise)

About the Role

We are seeking a highly skilled Front-End Developer with 6+ years of experience in building scalable and high-performance applications using React.js, Angular, and WebSocket integrations. The ideal candidate will be responsible for designing, developing, and maintaining dynamic, real-time web applications while ensuring seamless performance, scalability, and maintainability.

Responsibilities

• Design and develop modern, high-performance web applications using React.js and Angular.
• Implement and manage WebSocket connections for real-time communication.
• Build reusable components and front-end libraries for long-term scalability.
• Optimize components for maximum performance across devices and browsers.
• Collaborate with backend teams to integrate with RESTful APIs and other services.
• Ensure application security with modern authorization mechanisms (e.g., JWT).
• Stay updated with the latest ECMAScript standards and evolving front-end best practices.

Qualifications

• 6+ years of professional experience in front-end development.
• Strong proficiency in JavaScript & TypeScript, including DOM manipulation and the JavaScript object model.
• Thorough understanding of React.js and Angular core principles.
• Hands-on experience with React.js workflows (such as Flux or Redux).
• Familiarity with newer ECMAScript specifications.
• Experience with data structure libraries (e.g., Immutable.js).
• Expertise in WebSocket programming for real-time applications.
• Strong understanding of RESTful API integration.
• Knowledge of modern authorization mechanisms (e.g., JWT).
• Proficiency with front-end build tools (Webpack, Babel, NPM, etc.).
• Strong grasp of code versioning tools (Git, SVN, Mercurial).
• Ability to benchmark and optimize front-end applications.
• Proven ability to understand business requirements and convert them into technical solutions.

Nice to Have

• Experience with state management libraries (NgRx for Angular, Redux Toolkit for React).
• Familiarity with server-side rendering frameworks like Next.js or Angular Universal.
• Knowledge of CI/CD pipelines and DevOps practices.