Software Engineer Intern

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

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  

About the Role 

We are seeking a motivated Software Engineer Intern to join our engineering team and contribute to real-world product development using the Microsoft .NET stack. This internship is designed for students or early-career developers who want hands-on experience building scalable applications, collaborating with professional engineers, and learning modern software development practices. 

You will work alongside experienced developers to design, build, test, and improve software systems while gaining exposure to production-grade architectures, DevOps workflows, and agile delivery. 

What You’ll Do 

• Develop and maintain features using C# and .NET 

• Assist in building backend services, APIs, and web applications 

• Write clean, maintainable, and well-documented code 

• Participate in code reviews and team design discussions 

• Debug issues and help improve application performance and reliability 

• Contribute to unit tests and automated testing efforts 

• Work with databases and data models (SQL or NoSQL) 

• Collaborate with product managers, designers, and other engineers in an agile environment 

Required Qualifications 

• Currently pursuing a degree in Computer Science, Sof