Qualys—Senior Front End Software Engineer

Job description

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.