It's fun to work in a company where people truly BELIEVE in what they're doing! _We're committed to bringing passion and customer focus to the business._ Corporate Overview Proofpoint is a leading cybersecurity company protecting organizations’ greatest assets and biggest risks: vulnerabilities in people. With an integrated suite of cloud-based solutions, Proofpoint helps companies around the world stop targeted threats, safeguard their data, and make their users more resilient against cyber-attacks. Leading organizations of all sizes, including more than half of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks across email, the cloud, social media, and the web. We are singularly devoted to helping our customers protect their greatest assets and biggest security risk: their people. That’s why we’re a leader in next-generation cybersecurity. Protection Starts with People. Proofpoint. The Role As a Software Engineer on our latest security product team, you will be building web browser extensions with a focus on cybersecurity used by Fortune 100 customers to protect their business-critical communications. The ideal candidate will bring expertise in creating extensions across multiple desktop and mobile platforms. This is a uniquely challenging role: we empower small teams to make large impacts, the scale of our user base is legitimately huge, and we're building product that is mission-critical to our customers 24/7/365. Your day-to-day + Design and develop browser extensions for Chrome, Edge, Firefox, and Safari (desktop and mobile) + Implement cybersecurity features and best practices in extension development + Collaborate with our engineering team to integrate extensions with existing security infrastructure + Optimize extension performance and ensure cross-browser compatibility + Conduct code reviews and contribute to technical documentation What you bring to the team + Proven experience developing browser extensions for multiple platforms (Chrome, Edge, Firefox, Safari) + Experience with mobile browser extension development, particularly for Safari on iOS + Strong knowledge of JavaScript, HTML, and CSS * Familiarity with browser extension APIs and their security models + Understanding of web security principles and common vulnerabilities + Experience with version control systems (e.g., Git) + Experience with continuous integration and deployment (CI/CD) for browser extensionsWhy ProofpointProtecting people is at the heart of our award-winning lineup of cybersecurity solutions, and the people who work here are the key to our success. We’re a customer-focused and a driven-to-win organization with leading-edge products. We are an inclusive, diverse, multinational company that believes in culture fit, but more importantly ‘culture-add’, and we strongly encourage people from all walks of life to apply.We believe in hiring the best and the brightest to help cultivate our culture of collaboration and appreciation. Apply today and explore your future at Proofpoint! #LifeAtProofpoint _If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!_ Proofpoint has been honored with six Best Places to Work Awards in 2024 by workplace culture leader Comparably, including Best Company Career Growth, Best Company Outlook, Best Global Culture, Best Engineering Teams, Best Sales Teams, and Best HR Teams. We are the leader in human-centric cybersecurity. Half a million customers, including 87 of the Fortune 100, rely on Proofpoint to protect their organizations. We’re driven by a mission to stay ahead of bad actors and safeguard the digital world. Join us in our pursuit to defend data and protect people. Our BRAVE Values: At Proofpoint, we are BRAVE in everything we do, and our values aren’t just words—they shape how we work, collaborate, and grow. We seek people who are bold enough to challenge the status quo, responsive in the face of ever-evolving threats, and accountable for delivering real impact. We value those with a visionary mindset who anticipate what’s next and push cybersecurity forward, and we celebrate exceptional execution that ensures we continue to defend data and protect people. Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability. Find your network, your allies, and your biggest fans. We know that work is simply better when you’re surrounded by people who inspire you—who share ideas, cheer you on, and genuinely want to see you succeed. That’s why we offer social circles, sponsored networks, and connection points across teams and time zones—to help you find your people, build your community, and thrive together. This isn’t just a job—it’s a mission to protect people and defend data in a world that never slows down. We’re building the future of human-centric cybersecurity, and that future belongs to all of us. We take ownership, move fast, and hold ourselves accountable—because that’s what it takes to stay ahead. And we do it together, winning as one. Be empowered to reach your full potential through meaningful challenges and personalized support—designed around you and your goals. Whether you're growing as a leader or leveling up from great to exceptional as an individual contributor, we’re here to help you get there. Proofpoint is an equal opportunity employer, we hire without consideration to race, religion, creed, color, national origin, age, gender, sexual orientation, marital status, veteran status or disability.