Software Engineer II

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.

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.

We are looking for a Software Engineer II to join one of our Adaptive Email Data Loss Prevention (AEDLP) teams. The team owns Proofpoint’s Microsoft 365 add-in (currently for Outlook), which helps organisations stop sensitive data leaving through email. As we scale our services, deepen our integration with Microsoft, and align more closely with the wider Proofpoint ecosystem, you will help shape what comes next.

• Languages:
  
  Python 3 (JavaScript, React or other languages are a bonus)
• AWS: SQS, SNS, ECS, ECR, Lambda
• High-volume No
  
  SQL and SQL databases, such as DynamoDB and Postgres
• Infrastructure as code:
  Terraform
• Dev Ops tooling:
  CircleCI, Docker, Git and Git Hub

• Improve the scalability and reliability of our services
• Research security vulnerabilities and implement security measures
• Use production and product data to decide what the team builds next
• Improve the user experience of our add-in in Outlook (desktop and Outlook on the web) on Windows and Mac
• Help harden the “Human Security Layer”
• Ship code to production continuously via CI/CD
• Handle sensitive data with care, and build with security in mind
• Work with senior and staff engineers on complex problems, and independently on simpler ones

• Building and running production services in Python
• Experience with AWS and with SQL or No
  
  SQL databases
• Familiarity with CI/CD, containers and infrastructure as code
• Good judgement when choosing technical approaches, and a security-first mindset

• Experience with JavaScript/React
• Experience with data and infrastructure at scale

Integrating our product with email platforms such as Google and Microsoft is technically complex, especially at our scale and with our security requirements. Our standards for security, quality and availability are the highest, but we also foster psychological safety: we are comfortable with the unknown and love to experiment to find the right solution. We use data to validate our decisions and measure our progress, and it shapes our goals and roadmap.

We think you’ll thrive here if you focus on outcomes rather than outputs and use evidence to back your arguments and influence the team’s direction.

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

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…