Senior Full Stack Software Engineer

About Us Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the Fortune 100, 10,000 large enterprises, and millions of smaller organizations trust Proofpoint to stop threats, prevent data loss, and build resilience across their people and AI workflows. Our mission is simple safeguard the digital world and empower people to work securely and confidently. Join us in our pursuit to defend data and protect people. How We Work At Proofpoint you’ll be part of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values Bold in how we dream and innovate Responsive to feedback, challenges and opportunities Accountable for results and best in class outcomes Visionary in future focused problem-solving Exceptional in execution and impact The Role As a full-stack Software Engineer III on our Satori AI Platform team, you will be building the interfaces and APIs that our Fortune 500 customers use to deploy, monitor, and control AI security agents across their environments - and to understand exactly what those agents are doing on their behalf. The primary focus of this position is frontend engineering with React and its surrounding ecosystem, but the workload spans our entire stack rich web interfaces that stay fast while visualizing large volumes of usage, cost, and forecasting data; the middle-tier API surface that powers those interfaces; and the automation that deploys and monitors your work. We regularly put prototypes in front of customers to validate ideas mid-flight, so you can't just heads-down code in a vacuum. This is a uniquely challenging role we empower small teams to make large impacts, the scale of our event data is legitimately huge, and we're building product that is mission-critical to our customers 24/7/365. Your day-to-day Participate in customer feedback sessions to understand customer needs and build products customers are genuinely excited to useDesign and build React interfaces used by large enterprise customers that are clean, accessible, and actually usable — not just feature-completeTurn dense data (usage metering, credit balances, spending caps, consumption forecasts, agent lifecycle state) into visualizations and workflows that communicate clearly at a glanceBuild and evolve the API routes that power your interfaces, and shape the contracts between front end and back endTune performance across the stack — time to first interaction, render performance over large datasets, API response times, and payload sizeDebug production issues that span the browser, the API tier, and our cloud-based data platformWrite automation that deploys and monitors your systems in the cloudContinually ship and test your work; learn new techniques through peer review and mentorship, and share what you learn with your peers What You Bring To The Team A passion not just for development, but for the end-user experience - you sweat the details customers feelAn ability and desire to reason through customer feedback and quickly validate prototype solutionsA high bar for your code's design, testability, and performanceStrong experience building applications with React and modern front-end tooling (TypeScript, a modern build/bundler toolchain, component and state management patterns, and automated testing)Solid command of the web platform fundamentals HTML, CSS, and JavaScriptExperience building and consuming HTTP/REST APIs, and comfort working at least one layer into the back end that serves your UIExperience presenting large or complex datasets in the browser (data visualization, virtualization, pagination, or streaming) with an eye on performanceExperience debugging production problems that span multiple stack componentsA B.S. or M.S. in Computer Science (or equivalent experience) Why Proofpoint? At Proofpoint, we believe that an exceptional career experience includes a comprehensive compensation and benefits package. Here are just a few reasons you’ll love working with us Competitive compensationComprehensive benefitsCareer success on your termsFlexible work environmentAnnual wellness and community outreach daysAlways on recognition for your contributionsGlobal collaboration and networking opportunities Our Culture Our culture is rooted in values that inspire belonging, empower purpose and drive success-every day, for everyone. We encourage applications from individuals of all backgrounds, experiences, and perspectives. If you need accommodation during the application or interview process, please reach out to accessibility@proofpoint.com. How To Apply Interested? Submit your application along with any supporting information- we can’t wait to hear from you! Consistent with Proofpoint values and applicable law, we provide the following information to promote pay transparency and equity. Our compensation reflects the cost of labor across several U.S. geographic markets, and we pay differently based on those defined markets as set out below. Pay within these ranges varies and depends on job-related knowledge, skills, and experience. The actual offer will be based on the individual candidate. The range provided may represent a candidate range and may not reflect the full range for an individual tenured employee. This role may be eligible for variable compensation and/or equity. We offer a competitive benefits package, including flexible time off, a comprehensive well-being program with two paid Wellbeing Days and two paid Volunteer Days per year, plus a three-week Work from Anywhere option. Base Pay Ranges SF Bay Area, New York City Metro Area Base Pay Range 136,200.00 - 214,005.00 USD California (excludes SF Bay Area), Colorado, Connecticut, Illinois, Washington DC Metro, Maryland, Massachusetts, New Jersey, Texas, Washington, Virginia, and Alaska Base Pay Range 112,700.00 - 177,100.00 USD All other cities and states excluding those listed above Base Pay Range 101,600.00 - 159,720.00 USD