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Qualys

Sr Software Engineer

Posted 14 Days Ago
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In-Office
Pune, Mahārāshtra
Senior level
In-Office
Pune, Mahārāshtra
Senior level
The Senior Frontend Engineer will design and maintain high-performance web applications, collaborate with teams, and optimize frontend performance.
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Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!

Job Overview

We are looking for a Senior Frontend Engineer with 5–7 years of experience to join our dynamic product development team. The ideal candidate has a strong foundation in core JavaScript concepts (closures, scoping, event loop, etc.), hands-on experience with ReactJS and Redux, and a track record of building performant, scalable, and maintainable frontend applications. Experience with CSS frameworks, HTML, and performance optimization techniques is essential. Basic familiarity with Java is a plus.

Key Responsibilities
  • Design, develop, and maintain responsive and high-performance web applications using ReactJS and Redux.

  • Apply in-depth understanding of JavaScript fundamentals (closures, scoping, event bubbling, asynchronous behavior) to write clean and efficient code.

  • Collaborate with designers, backend developers, and product managers to deliver seamless user experiences.

  • Implement and optimize styles using CSS frameworks (e.g., Bootstrap, Tailwind, Material UI).

  • Drive frontend performance improvements and reduce load times through optimization techniques and tooling.

  • Participate in code reviews, mentor junior developers, and enforce best practices in frontend architecture.

  • Troubleshoot and resolve complex UI-related bugs and issues.

  • Write unit and integration tests to ensure high code quality and maintainability.

  • Understand and integrate APIs, and contribute to frontend-backend integration strategy.

  • Contribute to system design and technical architecture decisions.

Required Skills and Experience
  • 5–7 years of experience in frontend development.

  • Deep knowledge of JavaScript (ES6+) including advanced concepts like closures, scoping, hoisting, and the event loop.

  • Strong hands-on experience with ReactJS and Redux in production environments.

  • Solid understanding of HTML5, CSS3, and familiarity with CSS preprocessors and utility-first frameworks.

  • Experience in optimizing frontend performance (lazy loading, code splitting, reducing bundle size, etc.).

  • Working knowledge of version control (Git), and experience in CI/CD workflows.

  • Good problem-solving skills with the ability to break down complex issues.

  • Basic understanding of Java, Backend for Frontend is a plus.

  • Excellent communication and collaboration skills.

Top Skills

Ci/Cd
Css Frameworks
Git
HTML
Java
JavaScript
React
Redux

Qualys Pune, Mahārāshtra, IND Office

Survey No. 20, 10th to 16th Floor, Tower B Panchshil Business Park, Balewadi, Pune, Maharashtra , India, 411045

Qualys Shivaji Nagar, Maharashtra, IND Office

Survey No. 20, 10th to 16th Floor, Tower B Panchshil Business Park,, Shivaji Nagar, 411005, India

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