Senior Front End Software Engineer

🏢 About Qualys

Qualys, Inc. (NASDAQ: QLYS) is a pioneer and leading provider of cloud-based security, compliance, and IT solutions. With over 10,000 subscription customers worldwide, including a majority of the Forbes Global 100 and Fortune 100, Qualys helps organizations streamline and automate their security and compliance onto a single platform.

🎯 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.

🛠️ Tech Stack

• Core: React, JavaScript (ES6+), Node.js, HTML5, CSS3
• State Management: Redux Toolkit
• Styling: CSS-in-JS or utility-first frameworks
• Tooling: Vite, Webpack, Jenkins, Bitbucket, Git, Jira
• Testing: Vitest, React Testing Library, Mocha, Chai
• Architecture: Micro-frontends, Module Federation

💼 What You'll Do

• 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.

✅ What You'll Need

• 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.

🌟 Nice to Have

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