SDE- Frontend Engineer

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).

Are you an exceptional UI Developer with a passion for creating mesmerizing user interfaces? We're seeking a Senior UI Developer who thrives on leveraging the power of React to craft visually stunning and highly interactive user experiences. If you're a trailblazer in the realm of UI design and development, and you're ready to make a substantial impact with your skills, we want you to be a key player in our team.

Your Role and Responsibilities:

UI Enthusiast: Showcase your mastery of user interface design by leading the charge in developing captivating user interfaces for both web and mobile applications. Your UI skills will be the driving force behind creating experiences that resonate across various devices and platforms.

React Expertise: Demonstrate your coding brilliance by harnessing the potential of React. Create UI components that are both aesthetically pleasing and technologically advanced, pushing the boundaries of modern web development.

Design-Driven Development: Collaborate closely with our design team to seamlessly transform wireframes and mockups into tangible UI interfaces that effortlessly embody the union of visual aesthetics and functional excellence.

Performance Sculptor: Dive into the intricacies of front-end code within the React framework, sculpting and optimizing to achieve lightning-fast loading times and seamless user interactions.

Browser Harmony: Ensure uniformity in appearance and behavior across an array of browsers and devices, taking into account the nuances of each platform to create a consistent user experience.

Code Craftsmanship: Exemplify your commitment to code quality by producing elegantly structured, meticulously documented, and easily maintainable code that sets new standards in our development endeavors.

Synergy of Integration: Collaborate seamlessly with our backend developers, bridging the gap between UI components and backend services and APIs to create a holistic and efficient application ecosystem.

Agile Advocate: Embrace and champion agile methodologies, actively engaging in sprint planning, daily stand-ups, and contributing to code reviews to foster a collaborative and iterative development environment.

Creative Problem-Solving: Dive headfirst into complex UI challenges, emerging with innovative solutions that enhance user experiences and keep the development process on track.

Mentorship: Elevate junior developers through your guidance and insights, empowering them to amplify their expertise in UI development and React.

Trendsetter: Stay at the forefront of UI development trends, constantly immersing yourself in the latest front-end technologies, particularly within the React ecosystem.

Key Skills:

Proficiency in HTML, CSS, and JavaScript

Expert-level experience with React and related libraries

Strong UI/UX design understanding

Responsive and mobile-first design principles

Cross-browser compatibility and accessibility standards

Performance optimization for UI components

Agile development methodologies

Strong problem-solving skills

Excellent communication and collaboration abilities

Your Skills and Qualifications:

Bachelor's degree in Computer Science, Web Design, or a related field (or equivalent practical experience).

Proven track record as a UI Developer or Front-End Developer, highlighted by an impressive portfolio showcasing your React-powered UI design and development prowess.

Expert-level proficiency in HTML, CSS, JavaScript, and React framework, complemented by familiarity with relevant libraries and tools.

UI-focused mindset with a passion for responsive and mobile-first design within the React realm.

Deep appreciation for UI/UX design principles, enabling seamless collaboration with designers to achieve a harmonious user experience.

Comprehensive understanding of cross-browser compatibility and dedication to accessibility standards.

Accomplished in optimizing UI components for superior performance and speed within the React framework.

Resourceful problem solver, adept at swiftly identifying and addressing front-end issues.

Exceptional communicator, fostering a collaborative and inclusive environment within the team.

Proficient in version control systems (e.g., Git) and experienced in contributing to code review processes.

Exposure to Agile/Scrum methodologies is a significant advantage.

Strong leadership skills, with a history of mentoring junior developers in React-based development scenarios.

Join us in reshaping user interfaces through the captivating lens of React. If you're fueled by a passion for UI excellence and have the technical prowess to match, we invite you to share your resume, portfolio, and relevant code samples that reflect your remarkable journey in the realm of UI and React. Your UI skills will be the cornerstone of our dynamic team.

 Extensive (4+ years) knowledge of web technologies and building large scale web applications​

· Strong proficiency in Java Script​

· Expertise in Object-oriented programming​

· Understanding the fully asynchronous behavior of React.js (Redux)

· Solid understanding of user-centered design principles and MVC/MVP/MVVM patterns specific​

to front- end development​

· Good in problem-solving skills​

· Good in English communication (verbal and written)

You will be responsible for developing and designing front-end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties. You will be responsible for the functional/technical track of the project

• Developing front end website architecture
• Designing user interactions on web pages
• Integrating backend APIs
• Ensuring cross-platform optimization for mobile phones
• Ensuring responsiveness of applications
• Working alongside graphic designers for web design features
• Seeing through a project from conception to finished product
• Integration of APIs using graphQL layer
• Meeting both technical and consumer needs
• Staying abreast of developments in web applications and programming languages

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent
• 4+ years of experience
• Agnostic/Polyglot with multiple tech stacks
• Worked on open source technologies – ReactJs, NodeJS, graphql
• Good experience with Front-end technologies like Javascript frameworks, Reactjs, Angularjs
• Backend exposure – good knowledge of integrating API
• Knowledge of cloud architecture
• Should be innovative and communicative in approach
• Will be responsible for functional/technical track of a project
• ‍

You will work with a top-notch tech team, working closely with the architect and engineering head. 

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Compass.

We at Compass strive to make selling fun with our SaaS incentive gamification product.  Compass is the #1 gamification software that automates and digitizes Sales Contests and Commission Programs. With game-like elements, rewards, recognitions, and complete access to relevant information, Compass turbocharges an entire salesforce. Compass also empowers Sales Managers with easy-to-publish game templates, leaderboards, and analytics to help accelerate performances and sustain growth.

We are a fun and high-energy team, with people from diverse backgrounds - united under the passion of getting things done. Rest assured that you shall get complete autonomy in your tasks and ample opportunities to develop your strengths.

If you find this role exciting and want to join us in Bangalore, India, then apply by clicking below. Provide your details and upload your resume. All received resumes will be screened, shortlisted candidates will be requested to join for a discussion and on mutual alignment and agreement, we will proceed with hiring.

About CercleX:-

CercleX is a digital technology platform which is a leading https://cerclex.com/blog/waste-management-in-tamil-nadu/">waste management company in Tamilnadu  with an extended outlook of circularity through its various ventures into the field of sustainability.

We have received FICCI Impactful Cleantech Startup Award, MeitY Emerging Startup Award, TVS Capital Budding Nxt Gen Entrepreneur Award, and many more for our digital solutions enabling transactions between waste generators, and aggregators, processors, and bringing in complete transparency, traceability to the waste ecosystem.

https://play.google.com/store/apps/details?id=com.scrapmarketCCX">Cercle X ScrapMarket is an app that helps you buy and sell scrap by connecting 100% verified buyers and sellers of scrap across India.CercleX  helps brands to accomplish their sustainability targets with https://cerclex.com/extended-producer-responsibility/">Extended Producer responsibility and research solid waste managemet on the environment to ensure the environment is eco free.

• Experience in developing apps using Reactjs with Redux, React hooks, react-router with Javascript ES6

• Developing new user-facing features using React.js

• Integrate APIs with frontend components using React.js

• Ensuring user experience determines design choices.

• Developing features to enhance the user experience.

• Striking a balance between functional and aesthetic design.

• Ensuring web design is optimized for smartphones.

• Building reusable code for future use.

• Optimizing web pages for maximum speed and scalability.

• Utilizing a variety of markup languages to write web pages.

• Maintaining brand consistency throughout the design.
  
  

• Degree in computer science or related field.

• Understanding of key design principles.

• Proficiency in React.js,HTML, CSS, JavaScript, and jQuery.

• Understanding of server-side CSS.

• Experience with graphic design applications such as Adobe Illustrator.

• Experience with responsive and adaptive design.

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

• Strong understanding of HTML, CSS, CSS preprocessors, JavaScript, Object-oriented programming (OOPS), Design patterns, Web principles, and UI Libraries like Bootstrap.

• Strong skills in JavaScript frameworks and libraries (React).  

• Understanding of UX research and design processes.

• Expert in REST web services.

• Understanding of providing optimum web performance.

• Experience using repositories, build & deploy tools like git and Jenkins.

• Experienced with modern JavaScript coding, testing, debugging, and automation techniques

• Experience in unit test formation and understanding of jest enzyme and snapshot testing.

• Experience with popular React.js workflows (such as Flux or Redux)

• Demonstrable experience with React State management - Redux-Saga and popular React.js workflows

• Experience with data structure libraries (e.g., Immutable.js)

• Experience with common front-end development tools such as Babel, Webpack, NPM, etc.

• Excellent knowledge of React hooks.