Sr. Frontend Engineer

Job Summary:

We are seeking a highly skilled and hands-on UI Developer with strong expertise in React.js and JavaScript to join our front-end engineering team. The ideal candidate will have at least 5 years of experience in developing scalable, high-performance, and user-centric web applications. You will be expected to contribute immediately, owning development tasks end-to-end — from design and coding to performance tuning and deployment.

 Key Responsibilities:

• Design and develop responsive, high-quality user interfaces using React.js, JavaScript, HTML5, and CSS3.
• Collaborate closely with UX designers, backend developers, and product managers to translate business requirements into technical implementations.
• Write clean, efficient, and reusable code following best practices and modern front-end standards.
• Optimize components for maximum performance and scalability across various browsers and devices.
• Participate in code reviews, ensuring adherence to coding standards and best practices.
• Troubleshoot, debug, and resolve UI-related performance or compatibility issues.
• Stay up to date with emerging front-end technologies and continuously enhance the development process.

 Required Skills & Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 5+ years of professional experience in front-end/UI development.
• Deep hands-on experience with React.js and core JavaScript (ES6+).
• Strong understanding of HTML5, CSS3, and modern UI frameworks/libraries.
• Experience with React hooks, state management (Redux or Context API), and component-based architecture.
• Familiarity with RESTful APIs and integration of front-end applications with backend services.
• Experience with Webpack, Babel, NPM/Yarn, and modern build tools.
• Solid understanding of version control systems (Git).
• Strong debugging and performance optimization skills.
• Ability to deliver results in a fast-paced, agile environment.

 Good to Have Skills:

• Experience with TypeScript, Next.js, or React Native.
• Knowledge of testing frameworks such as Jest, Mocha, or React Testing Library.
• Familiarity with CI/CD pipelines and DevOps tools.
• Understanding of UI/UX design principles and ability to collaborate effectively with designers.
• Exposure to cloud environments (AWS, Azure, or GCP).
• Experience in performance profiling and accessibility (a11y) best practices

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).

. 3.5+ years of work experience on React.JS framework

· Has expertise in following front- end optimization techniques:

· Lazy Loading

· Asynchronous Module Definition

· Image Compression and Minification

· Other front-end tooling using Grunt / Webpack and NPM

· Familiarity with NodeJS, Jasmine / Karma and other unit testing frameworks

· Foundation data structure – Arrays, dictionaries, sets and lists

· Proficient in evaluating front end performance and measure accordingly

· Strong appetite to learn industry trends and new & emerging technologies

• 4+ years experience working as a react.js developer.
• Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• 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.

We are looking to hire an experienced Frontend Developer with a very good grasp over Javascript and the capability to make responsive pages.
The candidate should have good knowledge of:
- Javascript 
- HTML & CSS

- Node js
- PWA 
- Electron JS platform.
- API Integration
Candidates having good logical skills are preferred.