Senior Front End 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).

Dear Candidate!

Greetings from Suventure!

Hope you are doing well!

I am reaching out to you regarding a Job Opportunity with Suventure Services Pvt. Ltd. – a Global IT Services, Products and Platforms company based in India with operations in USA, Netherlands, Canada and Denmark.

The position we have for our inhouse project.

Required Skills:

• Experience with React JS and Redux.
  • A background in building JavaScript UI applications, with a strong understanding of UI frameworks and paradigms available including concepts like asynchronous programming, closures, types, and ES6.
  • HTML/CSS experience, including concepts like layout, specificity, cross-browser compatibility, and accessibility
  • Experience with browser APIs and optimizing front-end performance. Understand the full web technology stack, e.g. HTML, CSS, HTTP, cookies, headers, asset loading / caching.
  • Have a deep understanding of frontend application structure and architecture
  • Have great customer empathy and appreciate the User’s experience
  • Experience with unit testing, using test frameworks like Jest, Mocha, Enzyme etc.
  • Experience in Web Development end-to-end, from design to release.
  • Experience or aspiration to be a full stack developer(Node.js).

Total Exp: 2.5+yrs

Location : Remote

Wishing you all the best. Looking forward to have you associated with Suventure.

About us:

Suventure is a next generation technology or organization that helps clients use information technology as a business enabler. Suventure strives to be at the forefront of innovation in information technology and outsourcing leveraging IT to provide maximum returns. At Suventure, we would like to be long term partners in our customers" business journey, the journey where destinations keep evolving. As a business partner, Suventure ensures that incremental IT steps in the journey are rewarding and fulfilling. Suventure will remain a trusted knowledgeable friend, partner, and advisor throughout customers" business journey. For more on the company please do visit our website http://www.suventure.in/">www.suventure.in  

Best regards,  
Husnara Shaik

TAPPP is building the next-generation digital platform by leveraging cell-based architecture to integrate technologies like Artificial Intelligence, Rules, Workflows, Microservices, FaaS (Function as a Service), Micro-frontends, and Micro apps to create a highly extensible and cutting-edge technology platform that brings together sports fans with broadcasters, sports teams, and sportsbooks to create a marketplace for all aspects of sports and we are available across platforms via the Web, Mobile, Roku, and Tablets.

Building out this brand presents significant product and engineering challenges. At the center of solving those challenges is the TAPPP Product Engineering team which is responsible for the TAPPP product end to end.

TAPPP is led by a very able leadership team drawn from Industry leaders from companies like ESPN, Amazon, Blackhawk, Kargocard, Visa, and many others.

Who are we looking for:

A coding enthusiast who loves writing elegant code and developing software systems.

As a Roku developer, you will be a part of the core product development team that is responsible for building high-performant components of the TAPPP platform.

Your responsibility:

• You will be responsible for designing, coding, reviewing, testing, and bug-fixing different modules of the software product that needs to work seamlessly across different environments.
• Write production-quality code in Brightscript / Scenegraph.
• Write unit-test code for robustness, including edge cases, usability and general reliability.
• You will work in an Agile team, working on the TAPPP revolutionary platform. 
• Interface with other teams and/or third-party vendors to assist in the deployment of applications on Roku platforms.

Mandatory technical skills:

• At least 3 years of experience in developing apps for Roku devices.
• Strong knowledge of BrightScript, SceneGraph, and core scripting languages like JS.
• Experience with REST APIs interaction and a strong understanding of client-server architectures.
• Experience with Media Playback, streaming concepts, HLS, and manifests.

Other

Strong independent contributor.

Comfortable working in a start-up environment.

The position is based in Pune(India).

Skills:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
• Thorough understanding of React.js and its core principles
• Experience with popular React.js workflows (Redux)
• Familiarity with newer specifications of ECMAScript
• Experience with data structure libraries (e.g., Immutable.js)
• Knowledge of isomorphic React is a plus
• Familiarity with RESTful APIs
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Familiarity with modern front-end build pipelines and tools
• Ability to understand business requirements and translate them into technical requirements
• A knack for benchmarking and optimization
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial)

Requirements:

 You have designed, refactored, re-architected, deprecated and/or implemented a webapp from start to finish.

 CSS and its pre-processors like SASS/LESS.

 Excellent command over web fundamentals

 Good understanding and experience in building a React app.

 Exceptional coding skills in HTML5, CSS3, Javascript/ES6

 Strong problem-solving and analytical skills

 Familiarity with benchmarking and optimization techniques

 Eye for animation and understanding of motion principles.

 Experience with Agile Development, SCRUM methodologies

 Experience in DevOps - AWS, S3, API Gateway, CI/CD

 Native development experience in React Native (Android and iOS)

 Experience in NodeJs

Additional Full-stack Skills Would Be a Huge Bonus:

 Experience with Mongo DB, Redis, Firebase, NodeJs and its framework/ libraries like Express.

 Experience with PostgreSQL.

 Experience in NoSQL (CouchDB, Cloudant, MongoDB) datastores.

 Experience in building (secure) RESTful services and MVC patterns.

 Experience in coding & hosting on GitHub.

Desired Skills and Experience

CSS,JavaScript,React.js

Nexus Business Solutions Pvt. Ltd. is hiring a Web/ Front-End Developer, who will play a key role in our company.

• Conceptualizing creative ideas with the team.
• Create PSDs including colors and fonts for the visual layout of the web
• Design engaging and responsive landing
• Testing and improving the design of the
• Implement and maintain high-quality SEO policies and features on
• Good understanding of content management
• Preparing design plans and presenting the website
• Optimizing sites for maximum speed and scalability across devices e. desktop, mobile, and tablet
• Proficient understanding of cross-browser compatibility
• Liaising with back-end developers to ensure web and app logic is properly integrated
• Communicate with marketing and research teams to incorporate brand elements and relevant market research findings into

• Bachelor’s in Computer Science, Graphic Design, or related field, or 4+ years’ additional experience
• Excellent hands-on experience in HTML, CSS, jQuery, JavaScript, WordPress, and API web integration
• Proficiency in Graphic design software including Adobe Photoshop, Adobe Illustrator, Adobe Premiere Pro, Craldraw and other visual design
• Professional portfolio with at least 3 (Live Projects) designs for internal review.

Requirements

• 2+ years of experience with one of the top frontend frameworks - React (preferred)/ Angular / Vue
• Solid understanding of modern CSS methodologies like SCSS, SASS
• Exposure to latest developments in UI development like PWA, Single Page Apps, Hybrid Apps, Responsive web design etc
• Working knowledge of RESTful APIs, HTTP 2, Socket Connections
• Deep understanding of Javascript topics including the V8 Engine, Async, Memory Management, Duplex Communication.
• Experienced in Unit / Integration / Visual Testing.
• Ability to develop pixel-perfect web pages from designs
• Prior startup experience is a plus

We are looking for a smart, passionate hands-on engineer to join our team. In this role, you will be responsible to drive innovation in full-stack development of complex web applications, while improving performance, scalability, and maintainability.

You should:

1. Have thorough knowledge of JavaScript, AJAX, jQuery, HTML5, CSS3, Bootstrap.
2. Be familiar with different PHP CMS (WordPress, Drupal, Joomla) and frameworks.
3. Be able to unit test the code components; Document the code and the functionality.
4. Be a good and quick learner, and open to learn new technologies in JavaScript Frameworks.
5. Good to have experience in MySQL/ MariaDB databases.
6. Good to have experience working with outside data sources and API’s.
7. Have Good Communication skills.

1. Deliver stable and scalable solutions in HTML, and JavaScript
2. Update existing components to support changing needs.
3. Improve the internal team culture of high-quality software development.
4. Cooperate with team members on maintaining existing solutions beyond means of code development.
5. Work on bug fixing and improving application performance.

What we offer:

• Various challenges ranging from scratch design/architecture to end-user experienced performance.
• Flexible working process, openness to suggestions and a fresh point of view.
• Room for self-improvement and knowledge exchange within the team.
• Close cooperation with Customer Experience Team providing actual feedback on end-user experience.
• Transparent cooperation with business stakeholders.