Software Engineer Intern
Proofpoint
•
Miami, FL
0
0
0
0
Internship
Posted March 4, 2026
Job link
Thinking about this job
Responsibilities
Commitments
Responsibilities
- 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.
- 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
Commitments
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.
Exposure to professional development workflows (CI/CD, ticketing systems, agile ceremonies)
Opportunity for full-time return offer based on performance
Curiosity and strong learning mindset
How To Apply
Interested?
Submit your application along with any supporting information- we can’t wait to hear from you!
Not Met Priorities
What still needs stronger evidence
Requirements
- Working knowledge of C# and the .NET ecosystem
- Understanding of object-oriented programming principles
- Familiarity with REST APIs and basic web concepts
- Basic knowledge of Git version control
- Strong problem-solving skills and willingness to learn
Preferred Skills
- Experience with ASP.NET Core
- Familiarity with web frontend technologies (HTML, CSS, JavaScript)
- Exposure to SQL Server, PostgreSQL, or similar databases
- Understanding of cloud platforms such as Azure or AWS
- Experience building personal, academic, or open-source projects
- Knowledge of testing frameworks (xUnit, NUnit, MSTest)
- Hands-on experience shipping production-quality software
- Mentorship from experienced engineers
- Exposure to professional development workflows (CI/CD, ticketing systems, agile ceremonies)
Education
- (Not required) – Currently pursuing a degree in Computer Science, Software Engineering, or related field
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, Software Engineering, or related field
Working knowledge of C# and the .NET ecosystem
Understanding of object-oriented programming principles
Familiarity with REST APIs and basic web concepts
Basic knowledge of Git version control
Strong problem-solving skills and willingness to learn
Preferred Qualifications (Nice to Have)
Experience with ASP.NET Core
Familiarity with web frontend technologies (HTML, CSS, JavaScript)
Exposure to SQL Server, PostgreSQL, or similar databases
Understanding of cloud platforms such as Azure or AWS
Experience building personal, academic, or open-source projects
Knowledge of testing frameworks (xUnit, NUnit, MSTest)
What You’ll Gain
Hands-on experience shipping production-quality software
Mentorship from experienced engineers
Exposure to professional development workflows (CI/CD, ticketing systems, agile ceremonies)
Opportunity for full-time return offer based on performance
Soft skills we value
Curiosity and strong learning mindset
Ability to communicate clearly and ask good questions
Ownership and follow-through on assigned work
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!
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, Software Engineering, or related field
Working knowledge of C# and the .NET ecosystem
Understanding of object-oriented programming principles
Familiarity with REST APIs and basic web concepts
Basic knowledge of Git version control
Strong problem-solving skills and willingness to learn
Preferred Qualifications (Nice to Have)
Experience with ASP.NET Core
Familiarity with web frontend technologies (HTML, CSS, JavaScript)
Exposure to SQL Server, PostgreSQL, or similar databases
Understanding of cloud platforms such as Azure or AWS
Experience building personal, academic, or open-source projects
Knowledge of testing frameworks (xUnit, NUnit, MSTest)
What You’ll Gain
Hands-on experience shipping production-quality software
Mentorship from experienced engineers
Exposure to professional development workflows (CI/CD, ticketing systems, agile ceremonies)
Opportunity for full-time return offer based on performance
Soft skills we value
Curiosity and strong learning mindset
Ability to communicate clearly and ask good questions
Ownership and follow-through on assigned work
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!