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44 software engineering internship jobs at 26 companies in Rockville, MD

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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6d
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Propulsion Engineering Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$33/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Pursuing an engineering bachelor's or master's degree with relevant propulsion coursework, fluids fundamentals, hands-on fluid-system experience, engineering software familiarity, and exposure to pressurized or combustion systems.
NX, Teamcenter, GD&T, MATLAB, Python
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3d
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Engineering Return Internship Program (CIS)
Aldie or Boydton or Tysons or Richmond or Caroline County or Ruther Glen or Manassas or Leesburg or Baltimore or Riverdale or Atlanta
$18-$28/hr FieldFull Time, Internship
M.C. Dean
M.C. Dean: Design-build and systems integration for complex, mission-critical infrastructure.
Previously interned with M.C. Dean; currently enrolled in a bachelor's degree or higher in engineering or a similar discipline; able to travel reliably to offices and project locations.
software, keyboard
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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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2mo
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Software / Hardware Engineering - Intern
Annapolis Junction, Maryland, United States
OnsiteFull Time, Internship
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Enrolled in a STEM Bachelor's or Master's program, experience with software programming or hardware logic circuits, ability to obtain and maintain a U.S. government security clearance, submit transcript with GPA and projected graduation date.
Python, C++
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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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Intern – Space Software Engineering, National Security Space
Chantilly, Virginia, United States
OnsiteInternship
Redwire
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
Currently enrolled in a Bachelor's, Master's, or Ph.D. in a relevant discipline; US work authorization per ITAR; willingness to work on a ~10-week, hands-on internship; background check required; strong teamwork and academic record.
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1w
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Summer 2027 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
0+ YOEUndergraduate computer science/engineering students (≥2 years) or strong candidates with CS coursework; proficiency in Python, Java, C/C++, Rust, JavaScript/TypeScript; software design and SDLC knowledge; teamwork and presentation skills.
Java, Python, C/C++, Rust, JavaScript, TypeScript
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1w
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Summer 2027 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
At least 1–2 years of college coursework in CS/related engineering, proficiency in Python/Java/C/C++/Rust/JavaScript/TypeScript, software design and SDLC knowledge, teamwork and presentation skills; US citizenship required.
Java, Python, C/C++, Rust, JavaScript, TypeScript, Software Development Life Cycle (SDLC)
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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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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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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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1w
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NextGen Engineering Intern
Sparks Glencoe, Maryland, United States
$20/hr OnsiteMultiple Commitments Available
Kelly Benefits
Kelly Benefits: Provides benefits administration, payroll, and insurance brokerage services.
Rising junior or senior pursuing a bachelor's degree in a relevant field; familiarity with AWS, programming languages, RESTful APIs, web development, Git, and software design principles.
AWS, Lambda, Amazon S3, Amazon EC2, DynamoDB, Amazon RDS, Amazon API Gateway, Python, C#, .NET, Node.js, JavaScript, TypeScript, SQL, Git, NIST 800-53
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1w
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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 Dev Engineer II, OMHS SCS
Arlington, Virginia, United States
$144k-$194k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
3+ YOE3+ years non-internship software development; 2+ years design/architecture; 3+ years SDE or related; 3+ years large-scale, multi-tiered software; OO design; Bachelor's in CS/Engineering/Math or related; proficiency in at least one programming language.
C#, C++, Java, Perl
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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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2mo
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Senior Technical Lead — Mission Engineering
Arlington, Virginia, United States
OnsiteAll Commitments Available
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
10+ YOE3+ Mgmt10+ years in software engineering/systems, 3+ years in technical leadership, cloud-native, DevSecOps, API/data integration experience; active TS/SCI preferred; strong communication and coordination skills.
Cloud-native, DevSecOps, CI/CD, APIs, Secure software delivery, Operational data integration
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2d
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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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2d
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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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