Senior Software Engineer - Frontend Developer

Position Title : Frontend / Chrome Extension Developer (React + TypeScript)

Experience : 3+ years

Location : Remote

Job Role Summary :

Build and ship production-ready Chrome extensions that inject UI into existing web apps. Own content scripts, DOM integration, performance, and accessibility (WCAG 2.1 AA).

Mandatory Skills :

React, TypeScript, Chrome Extensions (MV3), Content Scripts, DOM Injection, MutationObserver, TailwindCSS/CSS Modules, Accessibility (WCAG 2.1 AA).

Key Responsibilities :

• Develop Chrome extensions using React + TypeScript.
• Inject and manage UI components within third-party web app DOMs.
• Write and maintain content scripts; handle dynamic pages via MutationObserver.
• Implement clean, responsive styling with TailwindCSS or CSS Modules.
• Ensure accessibility (WCAG 2.1 AA), keyboard navigation, and ARIA semantics.
• Integrate with APIs, manage extension permissions, storage, and messaging.
• Optimize performance, handle edge cases across sites, and write basic tests.

Required Skills :

• Strong React + TypeScript in production.
• Chrome Extension architecture: manifest v3, content/background scripts, messaging, permissions.
• DOM manipulation and safe UI injection strategies.
• MutationObserver, event delegation, handling SPA route changes.
• TailwindCSS or CSS Modules; solid CSS fundamentals.
• Accessibility (WCAG 2.1 AA) and cross-browser compatibility (Chromium/Firefox optional).
• Familiarity with build tooling (Vite/Webpack), linting, and Git.

Nice-to-Have :

• Experience with service workers, storage (sync/local), and i18n.
• Testing with Jest/RTL/Playwright.
• Security basics for extensions (CSP, sandboxing).

Location: Gurgaon, Pune, Bhopal, Jaipur, Chennai, Bangalore

Work Mode: Hybrid (2 days WFO)

Experience Required: 5+ Years

Notice Period: Immediate Joiners Preferred

Job Overview

We are seeking a highly experienced Angular Developer to join Deqode’s frontend engineering team. You will be responsible for creating dynamic and responsive applications using Angular best practices and frameworks

Key Responsibilities

• Develop and enhance enterprise-grade web applications using Angular.
• Translate design wireframes into high-quality code.
• Build reusable components and front-end libraries for modular development.
• Optimize application performance for speed and scalability.
• Conduct unit testing and debugging to ensure application stability.
• Collaborate with backend developers and designers.

Required Skills

• Proficiency in Angular (v9+), TypeScript, RxJS, and Angular CLI.
• Strong understanding of HTML5, SCSS, CSS3, and responsive UI design.
• Experience integrating REST APIs and third-party services.
• Familiarity with testing frameworks like Jasmine/Karma.
• Experience with Git version control and CI/CD pipelines.
• Ability to write maintainable, modular, and testable code.

Must-Have Qualifications

• Bachelor's degree in Computer Science, Engineering, or related field.
• 5+ years of development experience in Angular.
• Strong communication and team collaboration skills.
• Ability to adapt quickly in a fast-paced Agile environment.

Job title: React.js Developer 

Location: Gurugram (Onsite)

Notice: Immediate joiner 

Responsibilities:

• Meeting with the development team to discuss user interface ideas and applications.

• Reviewing application requirements and interface designs.Identifying web-based user interactions.

• Developing and implementing highly responsive user interface components using react concepts.

• Writing application interface codes using JavaScript following react.js workflows.

• Troubleshooting interface software and debugging application codes.

• Developing and implementing front-end architecture to support user interface concepts.

• Monitoring and improving front-end performance.

• Documenting application changes and developing updates.

Requirements:

• Bachelor’s degree in computer science, information technology, or a similar field.

• Previous experience working as a react.js developer.

• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.

• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.

• Experience with user interface design.

• Knowledge of performance testing frameworks including Mocha and Jest.

• Experience with browser-based debugging and performance testing software.

• Excellent troubleshooting skills.

• Good project management skills.

• Basic knowledge of Data Structure and Algorithm required

• Strong in Vue.js or React.js, HTML, HTML5, DOM(Document Object Model) concepts
•  Must know Nuxt.JS a Vue Framework.
• CSS3, SASS, SCSS, Bootstrap 4, Webpack, Box Modelling, Grid System
• Responsive Design, Cross browser/device development
• Strong knowledge of JavaScript
• OOJS - Object-oriented JavaScript

Job Description:

• Strong in Vue.js or React.js, HTML, HTML5, DOM(Document Object Model) concepts
• Must know Nuxt.JS a Vue Framework.
• CSS3, SASS, SCSS, Bootstrap 4, Webpack, Box Modelling, Grid System
• Responsive Design, Cross browser/device development
• Strong knowledge of JavaScript
• OOJS - Object-oriented JavaScript
• NPM/YARN Representation 
• REST API knowledge
• Modular programming, Use of NPM Components

• Work with other developers to ensure that the website is functional and visually appealing.
• Liaise with the client to gauge their needs and expectations.
• Plan the layout of the website.
• Ensure that the website is optimized for various devices.
• Use analytics to test client enjoyment.

• Proficiency in HTML, JavaScript, jQuery, and CSS.
• Knowledge of Adobe Illustrator.
• Good interpersonal skills.
• Understanding of key design principles.
• Good problem-solving skills.

We are looking for a senior React.js developer who can guide the current team and also work on our project. The requirement could be for 3-4 months or at max 6 months. Hence a full-time remote consultant is preferred with about 4-5 years of experience in React.

This position is for a ReactJS developer. Since we are a start-up this position will have a lot of exposure to other verticals such as product management as well. There is no limit to learning for a person who is willing to take responsibility.

Experience: 6+ Years

Essential Skills & Experience

• Must to have minimum of 3 years of experience in using Angular 2+ and above versions.
• Develop modern software applications and working with the team to solution definition and guide teams through execution and implementation
• Ensuring high performance on mobile and desktop
• Must have experience for writing tested, idiomatic, and documented Angular, JavaScript, HTML and CSS
• Must have knowledge of OOP concepts, industry best practices and architecture designs.
• Must have good understanding of web technology/enterprise level applications.
• Coordinating the workflow between the graphic designer, the HTML coder, and yourself
• Cooperating with the back-end developer in the process of building the RESTful API
• Communicating with external web services
• Experience should include structured source code management using SVN or GIT and build using MAVEN/Grunt.
• Good to have backend experience in any one of the backend technologies mentioned below:
  • Java with Spring boot.
  • PHP
• Need to have good experience in Web application designing.
• Good to have experience in Agile methodology.

Nice to Have

• Experience with web servers like Nginx or NodeJS
• Basic awareness of cloud orchestration frameworks like Kubernetes/Docker
• Understanding of Unit Testing Frameworks

BEHAVIORAL SKILLS

• Self-motivated and a Quick Learner
• Ability to consistently perform and meet deadlines
• Attention to detail and follow-through
• A good understanding of customer satisfaction
• Ability to work effectively in a team as well as in an individual environment
• Excellent written and verbal communication skills