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69 software internship jobs at 43 companies in Alexandria, VA

2mo
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Junior Software Engineer Internship
Herndon, Virginia, United States
OnsiteInternship
Clarity Innovations
Clarity Innovations: Provides software and data engineering for national security missions.
Pursuing a BS in CS/CE or related field, US citizenship required to obtain Top Secret clearance, experience with Go or Python, understanding of networking and data structures, familiarity with Docker/Kubernetes and CI/CD.
Go, Python, Docker, Kubernetes
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1mo
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Forward Deployed Software Engineer, Internship - Intel
Washington, D.C., District of Columbia, United States
$10k/mo OnsiteInternship
Palantir
PalantirNasdaq: PLTR: Developing software platforms for data integration and analytics.
Requires active Full Scope Poly Level clearance, engineering background, proficiency in one or more programming languages (Python, Java, C++, TypeScript/JavaScript), ability to travel ~25–50%, and be a final-internship student graduating Winter 2027 or Spring 2028.
Python, Java, C++, TypeScript, JavaScript
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6d
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Flight Software Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$37/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Currently enrolled in an accredited undergraduate or graduate program; proficient in C++, experienced with embedded systems or microcontrollers, and familiar with data structures, algorithms, operating systems, debugging, and Linux.
C++, Python, Linux, Arduino
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2mo
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Software Engineer
Arlington, Virginia, United States
$85k-$130k/yr HybridFull Time
InterImage
InterImage: Provides IT modernization and cybersecurity services to federal government agencies.
Bachelor's degree in CS/SE/IS/cybersecurity/math; internship/project experience in software development; analytical; eager to learn Generative AI; strong teamwork and communication; clearance preferred.
Python, Java, JavaScript, Go, REST APIs, microservices, Git/GitLab/GitHub, AWS, Azure, Docker, Kubernetes, React, Angular, data processing, CI/CD, DevSecOps
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1mo
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US Military Skillbridge Internship (Software Engineer)_Arlington, VA
Arlington, Virginia, United States
HybridInternship, Full Time
Black Cape
Black Cape: Provides mission software, AI, and data analytics for defense.
2+ YOE2+ years experience preferred, proficiency in at least one OO language (Java, Python, C#, C++), MVC frameworks, relational databases, Linux, web fundamentals; BS degree or near completion preferred; must be willing to obtain TS/SCI CI polygraph.
Google TensorFlow, Python scikit-learn, Java, Python, C#, C++, Spring, Django, Flask, Rails, MySQL, PostgreSQL, sqlite3, Ubuntu, RedHat, CentOS, HTTP, HTML, REST, CSS, JavaScript, NGINX, Apache, Backbone, Angular, Ember, Vue.js, Bootstrap, Less, ElasticSearch, Accumulo, MongoDB, HBase, Amazon Web Services (AWS), JWICS
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3w
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Software Engineering Intern
McLean, Virginia, United States
$50/hr OnsiteFull Time, Internship
Appian
AppianNASDAQ: APPN: Provides a low-code platform for enterprise-grade process automation.
Currently pursuing a Bachelors or Masters in Computer Science or Computer Engineering; full-time 40hr/week availability for a 10-week summer internship; strong AI/LLM fluency and foundational CS knowledge.
AI, LLMs, Appian
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2d
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Software Development Engineer, Open Data Analytics - Engines
Arlington, Virginia, United States
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
2+ YOERequires programming experience, 2+ years of non-internship software development and design or architecture experience, strong computer science fundamentals, and proficiency in Java, C, C++, or C#.
SQL, Parquet, Apache Iceberg, Amazon S3, Java, C, C++, C#, Hadoop
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2w
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Lead Software Engineer, Full Stack (Enterprise Platform Technology)
McLean or Plano
$179k-$225k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
4+ YOE1+ MgmtBachelor's degree, 4+ years software engineering (internship excluded), 1+ year cloud experience, proficiency in JavaScript/Java/TypeScript/SQL/Python/Go, Docker/Kubernetes, AWS/GCP/Azure; people management and AI tooling experience preferred.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Open Source RDBMS, NoSQL, Docker, Kubernetes, AWS, GCP, Microsoft Azure
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2mo
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Software Engineering Intern
Annapolis Junction, Maryland, United States
OnsiteInternship
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
0+ YOEStudent pursuing a Bachelor's in CS/Software Engineering; interest in VR, OO programming; able to learn and work in a team.
Message Queues, DDS, REST, Networking, Data Modeling, Storage, Software Libraries
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2mo
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Test Automation Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteAll Commitments Available
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
3+ YOEBS in software/engineering; proficiency in C++, C, Python; 3 years embedded software, CI/CD; containerization/virtualization; test automation systems; SCM (Git); strong problem-solving and communication; eligible for interim Secret clearance.
C++, C, Python, Git, GitLab, Bamboo, CI/CD, Docker, Kubernetes, RTOS, VxWorks, Embedded Linux, Test Automation Frameworks
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6d
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Summer 2027 Software Engineering Intern
Washington, District of Columbia, United States
$25/hr OnsiteInternship, Full Time
The Nuclear Company
The Nuclear Company: Deploys standardized nuclear reactors for utility-scale energy generation.
0+ YOECurrently enrolled in a relevant technical BS program, with programming experience in a modern language and shipped software projects. Must be a U.S. Person and work onsite in Washington, DC.
Nuclear Operating System (NOS), Python, TypeScript, Java, Go, Rust, C++, OpenAI, Anthropic, Palantir Foundry, Amazon Web Services (AWS), AWS GovCloud
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3d
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
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2mo
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Software Engineer Intern - Fulton, MD
Fulton, Maryland, United States
$30-$38/hr OnsiteMultiple Commitments Available
ICR
ICR: A research and analytics providing software development services.
Pursuing Bachelor's in CS/CE/EE; strong Python/Java/HTML/JavaScript; software lifecycle experience; Windows/Linux API knowledge; client/server; problem solving; communication; self-motivation; teamwork.
Python, Java, HTML, JavaScript, Windows API, Linux API, Git, Jenkins, CI/CD
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21h
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Software Engineering Intern - Artificial Intelligence (Spring 2027)
Herndon, Virginia, United States
HybridInternship
Cynet Systems
Cynet Systems: Provides specialized staffing and comprehensive workforce management services.
Pursuing a bachelor's or master's degree in a STEM discipline; Python or TypeScript proficiency; familiarity with AI, ML, databases, cloud platforms, and software development principles.
Python, TypeScript, Generative AI, Agentic AI, RAG, LangChain, LangGraph, Vertex AI, SQL, NoSQL, Google Cloud Platform (GCP), Microsoft Azure, Amazon Web Services (AWS), Microsoft Office, Agile, Scrum, vector databases
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3d
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Cybersecurity Software Intern Engineer
Manassas, Virginia, United States
OnsiteInternship
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
Enrollment in an accredited engineering or technical degree program, preferably sophomore standing or higher; U.S. citizenship and Secret clearance required.
AI
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2mo
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2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
Pursuing a Bachelor\u0002s in CS or related field, rising senior returning to school, proficiency in C++, Go, Rust, Java, or Python, familiarity with algorithms, data structures, cloud and front-end concepts, and U.S. Person status required.
C++, Go, Rust, Java, Python, Lattice OS
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2mo
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Full Stack Software Engineer
Falls Church, Virginia, United States
OnsiteAll Commitments Available
Kastle Systems
Kastle Systems: Managed security services provider for commercial and residential properties.
3+ YOE3-5 years in application development; strong C#, front-end (HTML/CSS/JavaScript); SQL Server backend; Kubernetes/CI/CD experience; excellent US English communication.
C#, JavaScript, HTML, CSS, SQL Server, Kubernetes, CI/CD, Python, PHP
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1mo
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Appian Intern (Paid Internship)
Washington, D.C. or United States
$20/hr HybridInternship, Full Time
Horizon Industries
Horizon Industries: Provides IT and management consulting services to government clients.
Bachelor's in a technical field required; strong analytical, communication, and teamwork skills; eagerness to learn Appian low-code development; preferred familiarity with Java/Python/JavaScript/SQL and Agile.
Appian, Java, Python, JavaScript, SQL
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2d
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GDIT 2027 Summer AI / ML Internship
Falls Church, Virginia, United States
$23-$31/hr HybridInternship, Full Time
General Dynamics Information Technology
General Dynamics Information TechnologyNYSE: GD: Delivers IT and mission services to US government agencies.
0+ YOECurrently enrolled in an associate, bachelor's, or master's STEM program; basic Microsoft Office knowledge, AI software tools experience, and collaboration skills required. One semester must remain after internship.
Microsoft Office, Microsoft Word, Microsoft PowerPoint, Microsoft SharePoint, Microsoft Excel, Microsoft Teams, AI/ML, AI Software Tools
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1w
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Cyber Security Internship
Alexandria, Virginia, United States
OnsiteInternship
Mobius
Mobius: Provides systems engineering and technical services for defense agencies.
Currently pursuing a four-year IT, cybersecurity, computer science, or related degree in Virginia; requires basic hardware/software knowledge, troubleshooting, communication, teamwork, adaptability, and organization.
Sentinel, Kusto Query Language, Azure Active Directory (Azure AD), Microsoft Power Platform, Microsoft Power BI, Microsoft Dynamics CRM, SharePoint, Microsoft Teams, Azure, Virtual Machines (VMs), Virtual Networks, Role-Based Access Control (RBAC), FedRAMP, NIST 800-171
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