Job Description The Cisco XDR team is seeking a Senior Frontend Software Engineer with strong expertise in React.js. You will play a meaningful role in implementing and maintaining sophisticated user interfaces while ensuring high performance and scalability. You will collaborate closely with our product, design, and backend engineering teams to deliver innovative solutions that meet business requirements. Responsibilities * Develop and implement sophisticated user interfaces using TypeScript, React.js, Redux Toolkit, RTK Query, Next.JS and SASS * Build data visualizations using graphing libraries such as Recharts or ReGraph * Make improvements to our micro frontend architecture * Collaborate with product, design, and backend engineering teams to define and deliver high-quality features * Write clean, efficient, and maintainable code * Optimize applications for performance and scalability * Stay up to date with the latest trends and technologies in frontend development * Participate in code reviews and provide constructive feedback to the team * Advocate for improvements to product quality, security, and performance that have an impact across your team Who You'll Work With You will be working on the Incidents and Investigation applications within the XDR platform. These apps are the core tools that users will use when doing their deep threat-hunting analysis. You will work closely with UX Designers, Backend Engineers, QA, Product Owners, and other key partners to improve the user experience of our products while ensuring the maintainability of the front-end stack. The team is looking for a candidate that is * Self-starter who is motivated by the challenges put in front of them. We follow our partner's mentorship and requirements, but value autonomy and the inventiveness of developers that care about user needs. We appreciate engineers who seek to improve the experience by presenting their own creative ideas along the way * Able to consistently ship moderately sized features and improvements with minimal mentorship and support from other team members * Passionate about staying on top of new tech trends, techniques, and technologies to keep Cisco XDR on the top tier edge Minimum Qualifications * 5+ years of professional experience in front-end development using JavaScript * 3+ years of professional experience and strong proficiency in React.js * BS in Engineering, Computer Science, or equivalent work experience Preferred Qualifications * Deep understanding of JavaScript fundamentals. * Solid understanding of HTML, CSS, and core browser concepts * Knowledge of frontend tools and libraries such as Webpack, Babel, and ES6 * Experience with testing frameworks such as Playwright, Jest and Cypress * Experience with performance and optimization problems, particularly at large scale, and a demonstrated ability to diagnose and prevent these problems * Ability to clearly and concisely communicate about complex technical, architectural, and/or organizational problems and propose detailed iterative solutions * Proven experience developing cross-browser, responsive web applications We'd love to see your work. Please provide a link to your public work on GitHub or applications you've built. #WeAreCisco #WeAreCisco where every individual brings their unique skills and perspectives together to pursue our purpose of powering an inclusive future for all. Our passion is connection—we celebrate our employees’ diverse set of backgrounds and focus on unlocking potential. Cisconians often experience one company, many careers where learning and development are encouraged and supported at every stage. Our technology, tools, and culture pioneered hybrid work trends, allowing all to not only give their best, but be their best. We understand our outstanding opportunity to bring communities together and at the heart of that is our people. One-third of Cisconians collaborate in our 30 employee resource organizations, called Inclusive Communities, to connect, foster belonging, learn to be informed allies, and make a difference. 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