16 software developer summer intern jobs at 10 companies in Countryside, VA

1d
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University, 2027 Summer Games Software Developer Intern
McLean, Virginia, United States
$53k-$108k/yr OnsiteInternship, Part Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Global firm providing management, technology, and engineering consulting services.
Students scheduled to earn a technology, engineering, or mathematics bachelor's degree by Spring 2028, with programming, research, software development, and technical documentation experience; must be able to obtain Secret clearance.
Java, JavaScript, C, C++, Assembly, Python, Perl, R, Bash
4d
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Software Developer Intern – Summer Internship Program
Fairfax, Virginia, United States
$20-$26/hr OnsiteInternship
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
Current third-year bachelor's student in computer science, software engineering, computer engineering, information systems, or related field. Programming exposure preferred. Permanent U.S. work authorization required; sponsorship unavailable.
2d
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Software Developer/Data Scientist Intern - Summer 2027
Denver or Sarasota or Sterling
$40k-$80k/yr OnsitePart Time, Internship
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
Currently pursuing a bachelor's degree in computer science, software engineering, data science, or related field; programming experience and familiarity with web development, Python, Java, Docker, Jenkins, GitLab, and CI/CD.
Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular, Python, Docker, Jenkins, GitLab, CI/CD
2d
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Software Developer/Data Scientist Intern - Summer 2027
Denver or Sarasota or Sterling
$40k-$80k/yr OnsitePart Time, Internship
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
Currently pursuing a bachelor's degree in computer science, software engineering, data science, or related field; programming, web development, Docker, build tools, and CI/CD knowledge; able to obtain TS/SCI clearance.
Java, JavaScript, HTML, HTML5, CSS, Groovy, Grails, Angular, Python, Docker, Jenkins, GitLab, CI/CD
4d
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Single-Family Software Developer Intern- Summer 2027
McLean, Virginia, United States
$32/hr OnsiteInternship, Full Time
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
Pursuing a bachelor's degree in a computing or related field, graduating December 2027 or May 2028. Requires introductory coding experience with Java, C/C++, Python, Angular/Spring Boot, or similar.
Java, C, C++, Python, Angular, Spring Boot, Tableau
2w
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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
2mo
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Software Development Summer Internship
Alexandria, Virginia, United States
OnsiteInternship, Seasonal
SimonComputing
SimonComputing: Woman-owned software development firm delivering agile development, analytics, modernization, cybersecurity, and cloud migration for government clients.
2+ YOE2+ years of Java coding (school or other venues), strong problem-solving, interest in software development, ability to work in Agile teams and learn full‑stack technologies.
Java
4d
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Multifamily Software Development Intern – Summer 2027
McLean, Virginia, United States
$32/hr OnsiteFull Time, Internship
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
Pursuing a bachelor's degree in a technical discipline, graduating December 2027–May 2028. Requires computer science fundamentals, object-oriented programming, analytical skills, and teamwork; Java, Spring Boot, Angular, or AWS exposure preferred.
Java, Spring Boot, Angular, AWS
4d
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Software Engineering Intern, PhD, Summer 2026
Mountain View or Atlanta or Austin or Boulder or Cambridge or Bellevue or Chicago or Irvine or Kirkland or Los Angeles or Madison or New York City or Palo Alto or Portland or Pittsburgh or Raleigh or Durham or Reston or Redmond or Redwood City or San Diego or Goleta or San Bruno or Seattle or San Francisco or San Jose or Santa Cruz or South San Francisco or Sunnyvale or Washington or Playa Vista
$118k-$157k/yr OnsiteInternship, Full Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
Pursuing a PhD in computer science or a related technical field; coding experience in C, C++, Java, or Python; English proficiency; US location required during the internship.
C, C++, Java, Python
1mo
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Software Engineering Intern
McLean, Virginia, United States
$50/hr OnsiteFull Time, Internship
Appian
AppianNasdaq: APPN: Provider of an AI-powered enterprise process automation platform.
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
2w
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Summer 2027 AI/ML 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 technical bachelor's program, with Python and modern ML/LLM tooling experience, shipped software or ML projects, U.S. Person status, and availability for a six-month onsite term.
Python, PyTorch, Hugging Face, Palantir Foundry, AWS GovCloud, AWS, MLflow, SageMaker, Vertex AI, CI/CD, MCP
4d
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EO&T Technology Intern- Summer 2027
McLean, Virginia, United States
$32/hr OnsiteFull Time, Internship
Freddie Mac
Freddie MacOTCQB: FMCC: Purchases and securitizes home mortgages for the secondary market.
Undergraduate student in computer science, computer engineering, or related technology area, graduating December 2027 or May 2028, with college-level coding experience and analytical, communication, and problem-solving skills.
Java, C, C++, Python, Windows, Microsoft Office Professional, Visio, Power BI, Microsoft SharePoint
11h
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Computer Science Internship Summer 2027
Huntsville or Chantilly
RemotePart Time, Internship
AnaVation
AnaVation: Private federal IT contractor serving U.S. government agencies with intelligence, cloud, big-data, cybersecurity, and software-engineering services.
0+ YOEUndergraduate computer science major graduating May 2028, 3.0 GPA, US citizenship, clearance eligibility, analytical and communication skills; Agile, Java, Python, NodeJS, Git, cloud, and development experience preferred.
Amazon Web Services (AWS), Microsoft Azure, Microsoft Office Suite, Agile, Scrum, Java, Python, NodeJS, GIT, Google Cloud
1w
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Returning New Grad Field Engineer I - MAD (For current/previous HNTB interns only) – Summer 2027
Philadelphia or Harrisburg or Charlotte or Charlotte or Pittsburgh or Baltimore or Fairmont or Raleigh or Raleigh or Virginia Beach or Scott Depot or North Charleston or Washington or Glen Allen or King of Prussia or Arlington
$66k-$115k/yr FieldFull Time, Internship
HNTB
HNTB: Infrastructure design and engineering for transportation and public works
Bachelor's degree in Engineering required. Current or former HNTB intern required. EIT and digital construction management software training such as Constructware or Asite preferred.
Constructware, Asite, GPS, Rovers
1w
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Returning New Grad Field Engineer I - MAD (For current/previous HNTB interns only) – Summer 2027
Philadelphia or Harrisburg or Charlotte or Pittsburgh or Baltimore or Fairmont or Raleigh or Virginia Beach or Scott Depot or North Charleston or Washington or Glen Allen or King of Prussia or United States
$66k-$115k/yr FieldFull Time, Temporary
HNTB
HNTB: Designs and manages large-scale transportation and infrastructure projects.
Bachelor's degree in Engineering required. Current or former HNTB intern required. EIT and experience with Constructware, Asite, or similar digital construction management software preferred.
Constructware, Asite, GPS/Rovers
1w
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Returning New Grad Field Engineer I - MAD (For current/previous HNTB interns only) – Summer 2027
Arlington or Baltimore or Charlotte or Fairmont or Glen Allen or Harrisburg or King of Prussia or North Charleston or Philadelphia or Pittsburgh or Raleigh or Scott Depot or Virginia Beach or Washington
$66k-$115k/yr FieldFull Time
HNTB
HNTB: Infrastructure design and construction management services firm.
Bachelor's degree in Engineering required. Current or former HNTB internship required; EIT and digital construction management software experience preferred.
Constructware, Asite, GPS, Rovers