Full-Stack Software Development Intern

What We Do: The SEI helps advance software engineering principles and practices and serves as a national resource in software engineering, computer security, and process improvement. The SEI works closely with defense and government organizations, industry, and academia to continually improve software-intensive systems. Our core purpose is to help organizations improve software engineering capabilities and develop or acquire the right software, defect free, within budget and on time, every time.Position SummaryYou will work as a part of the Cyber Mission Readiness Directorate within CERT and will collaborate with a team of software engineers, learning engineers, and cybersecurity experts focused on building the software behind cyber training, exercises, and assessments.You will assist members of the Operational Readiness and Evaluation team in developing features and fixes for a suite of open-source web applications used to run cyber exercises, virtual labs, and online courses.You will write automated tests and help find and fix defects before applications are used in live training events.You will help add learner activity tracking xAPI and AI-assisted features to existing applications.This internship begins in Fall 2026, with the option to continue through the Spring 2027 semester.You will contribute to a variety of core functions including:Full-stack web application development C#/.NET and AngularLearning management system plugin development PHP and MoodleAutomated unit, integration, and end-to-end testingxAPI instrumentation and AI feature integrationRequirements:Enrolled in a degree granting program.Willingness to travel to various locations to support the SEI’s overall mission. This includes within the SEI and CMU community.You will be subject to a background check and must be eligible to work in the United States without Visa sponsorship.Knowledge, Skills and Abilities:Ability to critically think and problem solveFamiliarity with an object-oriented pro




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