✦ Luna Orbit — Software Engineering

Software Engineer Intern

at Proofpoint

📍 37 Locations Unknown Posted March 03, 2026
Type Internship
Experience intern
Exp. Years 0+ years
Education Currently pursuing a degree in Computer Science, Software Engineering, or related field
Category Software Engineering

Proofpoint is seeking a Software Engineer Intern to contribute to product development using the Microsoft .NET stack. The role involves building scalable applications, collaborating with engineers, and gaining exposure to modern software practices.

  • 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 improve application performance

The role involves working with C#, .NET, SQL/NoSQL databases, Agile methodologies, DevOps workflows, and automated testing within a cybersecurity-focused environment.

The ideal candidate is a motivated computer science student or early-career developer with a passion for software engineering, familiar with C# and the .NET stack, eager to learn modern development practices, and capable of working collaboratively in an agile environment.

C#.NETSQL or NoSQLagile environmentsoftware development
DevOps workflowsunit testsautomated testingproduction-grade architectures
Microsoft Visual StudioSQL ServerNoSQL databasesGitJira
C#.NETSQLNoSQLAgileDevOpsunit testingautomated testingsoftware development
C#.NETMicrosoft .NETSQLNoSQLAgileDevOpsunit testingautomated testingsoftware development
communicationteamworkproblem-solvingcollaborationadaptability
Industry Cybersecurity
Job Function Assist in software development and testing for cybersecurity applications
Software Engineer InternC#.NETSQLNoSQLAgileDevOpsunit testingautomated testingsoftware developmentMicrosoft .NET stackbackend servicesAPIsweb applicationsdebuggingcode reviewsproduction-grade architectures

Not pursuing relevant degree, Lack of basic programming skills in C# or .NET, No interest in software development, Unwillingness to work in an internship capacity

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