Staff 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 Responsibilities Build and scale a big data platform processing billions of data points daily Design resilient systems across synchronous and asynchronous (event-driven, streaming) paradigms Develop RESTful APIs in a microservices architecture Establish standards for scalability, fault tolerance, and performance optimization Drive design decisions across streaming, processing, and storage layers for performance and cost efficiency Support time-series, event-driven, and analytical workloads Work with distributed messaging systems, scalable data stores (DynamoDB, Elasticsearch, etc.) and processing frameworks (Flink, Spark) Ensure alignment with security, compliance, and data governance requirements Champion AI-powered tools (e.g., GitHub Copilot, Cursor, Claude Code) to accelerate development velocity across design, coding, testing, and review Qualifications Bachelor's degree in Computer Science, Engineering, Mathematics, or equivalent 10+ years in distributed systems and backend architecture Knowledge of CAP theorem, consistency models, partitioning, replication, and sharding strategies Experience with streaming/messaging systems (Kinesis) and real-time/batch processing frameworks (Flink, Spark, Beam) Proficiency in one or more of: NodeJs, Go, Java, Scala, or Rust; familiarity with Python, or C/C++ a plus Experience with NoSQL and SQL databases (Postgres, Cassandra, MongoDB, Redis, DynamoDB, etc.) Experience with graph databases (Neptune, Neo4J, etc.) Cloud experience (AWS, GCP, Azure, or similar) Familiarity with edge-to-cloud and multi-cloud/hybrid environments Exposure to AI/ML data pipelines, large-scale analytics platforms, and AI-assisted developer tooling Knowledge of enterprise security frameworks and compliance standards (SOC2, ISO, GDPR) is a plus 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 compensation Comprehensive benefits Career success on your terms Flexible work environment Annual wellness and community outreach days Always on recognition for your contributions Global 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: 200,300.00 - 293,810.00 USD California (excludes SF Bay Area), Colorado, Connecticut, Illinois, Washington DC Metro, Maryland, Massachusetts, New Jersey, Texas, Washington, Virginia, and Alaska: Base Pay Range: 167,300.00 - 245,355.00 USD All other cities and states excluding those listed above: Base Pay Range: 152,900.00 - 224,235.00 USD