Senior Front End Software Engineer

Qualys; Maharashtra; On-site; INR 1,800,000 - 3,200,000; Full time

Benefits offered by this job

Ownership of products

Collaborative culture

AI-focused work

Career growth

Job summary

Qualys is seeking a Senior Frontend Engineer to design, build, and scale high-performance web applications for enterprise customers. You will work with React/JavaScript to translate Figma designs into production-ready interfaces and contribute to UI architecture.

You will own frontend development, build reusable components, ensure accessibility, and participate in code reviews, CI/CD, and mentoring. The role requires 5–9 years of production React experience and familiarity with AI-assisted

Qualifications

• Proficient in JavaScript ES6+ with async patterns.
• Strong React experience with 5+ years, hooks and state management.
• Experience with Node.js REST APIs or backend services.
• Solid HTML5/CSS3, responsive layouts.
• Familiar with CI/CD workflows and source control.
• Experience with bundlers like Vite/Webpack.
• Exposure to AI-assisted development tools and prompt engineering.

Responsibilities

• Design and maintain scalable, performant UIs using React and modern JavaScript.
• Build reusable components and design systems.
• Contribute to frontend architecture and performance optimization.
• Participate in code reviews, uphold best practices, and mentor juniors.
• Own CI/CD workflows (Jenkins) and manage source control.
• Track work in Jira with clear technical scoping.
• Evaluate AI-assisted tools to improve velocity and quality.
• Ensure accessibility and responsive design across browsers.

Skills

JavaScript ES6+

React

Node.js

HTML5 CSS3

State management

Vite Webpack

AI-assisted development

Micro-frontend

Module Federation

Testing (Vitest RTL)

Tools

Jira

Jenkins

Bitbucket/Git

Docker

Kubernetes

Job description

Come work at a place where innovation and teamwork come together to support the most exciting missions in the world!

About The Role

We are looking for a passionate, highly motivated Senior Frontend Engineer to design, build, and scale high-performance web applications for enterprise customers, with strong React/JavaScript skills and curiosity about AI-assisted engineering.

Key Responsibilities

• Design and maintain scalable, performant UIs using React and modern JavaScript.
• Build and maintain reusable component libraries and design systems.
• Contribute to frontend architecture, state management, and performance optimization.
• Participate in code reviews, uphold best practices, and mentor junior engineers.
• Own CI/CD workflows (Jenkins) and manage source control (Bitbucket/Git).
• Track work in Jira with clear technical scoping.
• Evaluate and integrate AI-assisted development tools to improve velocity and quality.
• Champion accessibility, cross-browser compatibility, and responsive design.
• Translate Figma designs into pixel-perfect, production-ready UI.

Required Skills And Experience

• JavaScript (ES6+) - strong fundamentals and asynchronous patterns.
• React (5+ years hands-on) - hooks, component composition, performance optimization, state management (Redux Toolkit or equivalent).
• Node.js - building/maintaining backend services, REST APIs, or BFF layers.
• HTML5 and CSS3 - semantic markup, responsive layouts, CSS-in-JS or utility-first frameworks.
• Jira, Jenkins, Bitbucket/Git - sprint tracking, CI/CD, and version control.
• Vite and/or Webpack - bundling, build configuration, and performance tuning.
• Practical exposure to AI-assisted development - LLM coding assistants (e.g., Claude, Copilot, Devin), prompt engineering, agentic workflows, and MCP or similar tool-use patterns.
• Micro-frontend architectures and Module Federation.
• Writing unit test cases using Vitest, React Testing Library, Mocha, or Chai.
• Strong grasp of software design patterns and their application in frontend architecture.

Good to Have

• Exposure to SSE (Server-Sent Events) or real-time streaming patterns.
• Prior mentoring or feature-team leadership experience.
• TypeScript.
• Docker and Kubernetes.

Experience Level

5 to 9 years of professional frontend engineering experience, including at least 2-4 years on production React applications at scale.

What We Offer

• Ownership of high-impact, customer-facing products.
• A collaborative culture balancing technical depth with pragmatic delivery.
• Opportunity to work at the forefront of AI-assisted software development.