Senior Software Engineer - Frontend

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 looking for a skilled and experienced ReactJS Developer to join our growing engineering team at Deqode. The ideal candidate will have a solid foundation in front-end development and a passion for building scalable, user-friendly web applications.

Key Responsibilities

• Develop responsive and modern web applications using ReactJS.
• Collaborate with cross-functional teams including UI/UX, backend, and QA.
• Build reusable components and front-end libraries for future use.
• Optimize applications for maximum speed and scalability.
• Integrate RESTful APIs and manage application state using Redux or Context API.
• Write clean, maintainable, and well-documented code.
• Perform unit testing and participate in code reviews.

Required Skills

• Strong proficiency in ReactJS, JavaScript (ES6+), and TypeScript.
• Deep understanding of React lifecycle methods and hooks.
• Experience with Redux, Context API, or similar state management tools.
• Knowledge of HTML5, CSS3, SASS, and responsive design principles.
• Familiarity with build tools like Webpack, Babel, and version control (Git).
• Experience integrating third-party APIs and libraries.
• Knowledge of Agile/Scrum methodologies.

Must-Have Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 5+ years of experience in front-end development.
• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.

Duration: 3 Months

Type: Hybrid(Gurgaon); Paid

Joining: Immediate

Who's a fit:

- Experience with React Native and ReactJS

- Excellent problem-solving and logical thinking

- Completed a degree in Computer Science, Engineering, or related field

- Projects to showcase your skills

Job for Front end Developer

WFH

Lead Front end engineers

Skill sets are:

• Typescript
• Javascript
• React
• Redux - global state management experience.

Good to have Back End Javascript experience as well as there might be times when the front end team has to do some back end work (which is the bulk of engineering work).

• Front End Lead (who is a PM / Scrum Master)
• Sr. Front End person who can do Client Interaction i.e. good Communication Skills.
• UI Engineer / Architect who has evolved as a Manager who can take care of Delivery of Front End team only.
• This role will interact with the Product Team to understand the product requirements so that he can be the point of contact for Product Requirements.

Skills Required:

• Deep understanding of React.js and its fundamentals, ideally including modern features like hooks
• Excellent understanding of TypeScript/Javascript including the OOP concept and how shadow DOM and DOM work
• Experience with widely used React.js state managers like Flux/Redux
• Knowledge of RESTful APIs
• Familiarity with modern front-end build pipelines and tools like Webpack, Babel, NPM etc
• Knowledge of the overall browser rendering behaviour and measuring and optimising performance
• Strong hands-on experience with source code management systems like Git

Job brief

• We are looking for a qualified Front-end developer to join our team.
• You will be responsible for building the ‘client-side’ of our web applications.
• You should be able to translate our company and customer needs into functional and appealing interactive applications.
• If you’re interested in creating a user-friendly environment by writing code and moving forward in your career, then this job is for you.
• We expect you to be a person, who is curious about new digital technologies and aspires to combine usability with visual design.

Responsibilities

• Use markup languages like HTML to create user-friendly web pages
• Maintain and improve website
• Optimize applications for maximum speed
• Design mobile-based features
• Collaborate with back-end developers and web designers to improve usability
• Get feedback from, and build solutions for, users and customers
• Create quality mockups and prototypes
• Help back-end developers with coding and troubleshooting
• Ensure high quality graphic standards and brand consistency
• Stay up-to-date on emerging technologies

Requirements

• Understanding of key design principles.
• Experience in HTML, CSS, JavaScript, and JS Frameworks like Angular, Backbone and React.
• Understanding of server-side CSS.
• Knowledge in responsive and adaptive design.
• Understanding of SEO principles.
• Good problem-solving skills.
• Excellent verbal communication skills.
• Good interpersonal skills.

• An ability to perform well in a fast-paced environment
• Excellent analytical and multitasking skills