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474 entry level software engineer jobs at 210 companies in Gainesville, VA

2mo
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Software Engineer I
Washington, District of Columbia, United States
$99k-$140k/yr OnsiteFull Time
Vantage Systems
Vantage Systems: Providing engineering and technical services for space and aviation missions.
Entry-level software engineering role requiring a Bachelor's degree and SECRET clearance.
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1mo
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Software Engineer, Level 0 (AE26061234C)
Annapolis Junction, Maryland, United States
$87k-$93k/yr OnsiteFull Time
Advantage Engineering & IT Solutions
Advantage Engineering & IT Solutions: Provides technical engineering and IT services for government agencies.
0+ YOEBachelor's in CS/Software Engineering (or 4 years equivalent), Top Secret/SCI with polygraph required, no prior professional software engineering experience required; on-site SCIF work.
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2w
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Junior Software Engineer Level 0 - Polygraph Required Annapolis Junction
Annapolis Junction, Maryland, United States
HybridFull Time
Anthem Engineering
Anthem Engineering: Developing software and system solutions for government intelligence missions.
Entry-level software engineer with experience in one or more languages (Java, JavaScript, TypeScript, Python), familiarity with Git, software development principles, and strong communication and problem-solving skills.
Java, JavaScript, TypeScript, Python, Git
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2mo
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Junior Software Engineer
Annapolis Junction, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
0+ YOEEntry-level software engineer with Python proficiency, production experience, and understanding of AI concepts and streaming data pipelines.
Python, Apache Kafka, Elasticsearch, PydanticAI, Langgraph, DeepAgents, APIs, Software development tooling
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2mo
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Mid-Level Backend Software Engineer
Gaithersburg, Maryland, United States
$87k-$157k/yr OnsiteFull Time
teKnoluxion
teKnoluxion: Providing technical engineering and cloud services to the intelligence community.
2+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor's or master's in computer science/software engineering; 2–8 years experience depending on degree; strong Java or Python, REST API, SQL, and Linux skills.
Java, Python, SQL, Linux, Apache Airflow, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, AWS, Azure
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3w
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Junior/Mid-level Software Engineer
Washington, District of Columbia, United States
$100k-$120k/yr OnsiteFull Time
Envisioneering
Envisioneering: Provides engineering, R&D, and electronic warfare solutions for defense.
1+ YOEBS in Engineering/CS, active U.S. Secret clearance, 1+ years Python development experience, familiarity with Windows/Linux, instrument integration, and data processing/analysis.
Python, NumPy, SciPy, matplotlib, seaborn, Bokeh, HDF5, GitLab, C++, gcc, cmake, Visual Studio, Linux, Windows, VISA, TCP/IP
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Software Engineer I
Silver Spring, Maryland, United States
$83k-$108k/yr OnsiteFull Time
Technology Service Corporation
Technology Service Corporation: Develops advanced sensor systems and engineering solutions for defense.
0+ YOEEntry-level software engineer with Bachelor's or Master’s in CS/EE or similar; proficient in C/C++ or Java; interest in Navy AEGIS and defense tech; ability to obtain DoD clearance; US citizenship.
C/C++, Java, Qt, Microsoft Visual Studio, Windows, Linux
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4d
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Software Test Engineer (Level 2 or 3)
Dulles, Virginia, United States
$92k-$171k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
2+ YOEActive U.S. Top‑Secret clearance, Bachelor's in STEM or equivalent experience, 2+ years (Level 2) or 5+ years (Level 3) software-test experience, proficiency with C, Python, Bash, test automation, and requirement decomposition.
C, Python, Bash, Git, GitLab, Bitbucket, Jira, Confluence, Jenkins, TestComplete, PyTest, Google Test (gTest), Robot Framework, AWS, Docker, Kubernetes, GitHub Copilot, Cursor, ChatGPT
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5d
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Software Engineer
Middletown or Manassas
$90k-$100k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Designs and manufactures defense and mission-critical technology solutions.
1+ YOEBachelor's in Software Engineering/Engineering/Science/Math plus 1 year or Master's; U.S. citizenship and Department of Defense Secret clearance at hire; proficiency in C++, networking (AMQP,TCP/UDP), and Git.
C++, STL, AMQP, TCP, UDP, Git, Linux, Kubernetes, Docker, QT Framework, Jira, Confluence, BYG-1
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Software Engineer
Beavercreek or Arlington
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
2+ YOE2+ years software development experience; ability to design, develop, and implement full-stack solutions; Secret clearance required; Bachelor's degree or 5+ years software engineering experience in lieu; familiarity with back-end and front-end languages.
Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, Drupal
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Software Engineer
Alexandria, Virginia, United States
$69k-$158k/yr RemoteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years software development experience, bachelor's in engineering/computer science/math, ability to develop full-stack solutions, Secret clearance required.
Java, JavaScript, HTML, CSS, SQL, git
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1w
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Software Engineer
King George or Dahlgren
OnsiteFull Time
Southeastern Computer Consultants
Southeastern Computer Consultants: Engineering and training solutions for military weapon systems.
2+ YOEU.S. citizen able to obtain Secret clearance; Bachelor's in engineering, computer science, math, or physics; 2 years software engineering experience; proficiency in C++, C#, Java, or Python; GUI/tooling experience; agile development experience.
C++, C#, Java, Python, Adobe XD, Figma, Sketch, Framer, Windows Presentation Foundation (WPF), Team Foundation Server (TFS), Git, Bitbucket, ATAK, WinTAK, VTAK
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3w
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Software Engineer
Dahlgren, Virginia, United States
$80k-$120k/yr OnsiteFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
2+ YOEBachelor's degree or equivalent experience, 2+ years engineering/software experience, MATLAB scripting, testing/evaluation experience, MS Office proficiency, ability to communicate and work independently, interim Secret clearance required.
MATLAB, Microsoft Excel, Microsoft Project, Microsoft PowerPoint, Microsoft Word
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1w
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Software Engineer
Arlington, Virginia, United States
$120k-$180k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
2+ YOEBachelor's degree and 2+ years software engineering experience; proficiency with Python and C++; experience with Git and automated testing/CI/CD; active Top Secret clearance or ability to obtain TS/SCI.
Python, C++, Git, CI/CD, Docker, AWS
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5h
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Software Engineer
Ashburn, Virginia, United States
$120k-$150k/yr OnsiteFull Time
Telos
TelosNASDAQ: TLS: Provides cyber, cloud, and enterprise security solutions for government and commercial clients.
2+ YOE2+ years software engineering experience with technical ownership; strong TypeScript, Vue 3, Node.js; experience with desktop integrations, distributed systems, CI/CD, AWS/Kubernetes; US citizenship eligibility required.
TypeScript, Vue 3 Composition API, Quasar, Pinia, Electron, Node.js, Fastify, GitLab CI/CD, AWS, Kubernetes, Pulumi, Docker, Nx, Vitest, Playwright, Node-API, C/C++, SWIG
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1mo
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STINGRAI Software Engineer (Engineer Software 2) - 29228
Washington, District of Columbia, United States
$90k-$155k/yr OnsiteFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
2+ YOEDesign, develop, test, and maintain software for mission systems; experience with low-level system components, FACE, Agile/DevOps/DevSecOps; must possess Top-Secret clearance.
Future Airborne Capability Environment (FACE), Agile, DevOps, DevSecOps
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3w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
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1mo
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Entry-Level Java Developer/Automation Tester
Ashburn, Virginia, United States
OnsiteFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
Entry-level Java/JEE role; initial 12-18 months as an automation tester. Requires Java, Spring, JUnit, Angular, and SQL skills; ability to work in Agile teams; able to obtain Public Trust clearance; 10% travel.
Java, JEE, Spring, JUnit, Angular, SQL
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1w
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Software Engineer (Entry Level to SME) TS/SCI with Poly REUQIRED
Arlington, Virginia, United States
$90k-$204k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
Active TS/SCI with poly required. Programming in Python/Java/C++/JavaScript, familiarity with Git, databases, containerization, cloud and CI/CD; strong problem-solving and communication skills.
Python, Java, C++, JavaScript, C#, Go, Rust, Docker, Kubernetes, Git, AWS, Azure, GCP, CI/CD, SQL, NoSQL
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1mo
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Software Engineer (Contract)
Chicago or Washington or District of Columbia or Florida or Illinois or Maryland or Michigan or North Carolina or New York or Pennsylvania or Texas or Vermont or Virginia or United States
$90k/yr HybridContract
Civis Analytics
Civis Analytics: Cloud platform for data science and predictive audience analytics.
1+ YOE1–2 years professional software engineering experience; familiarity with AI/ML and tools; front-end React and back-end frameworks (Rails/Django/Node); SQL proficiency; strong problem-solving and collaboration skills.
React, Python, Ruby, Node, SQL, Claude Code, GitHub Copilot, ReactJS, AngularJS, VueJS, Rails, Django, NodeJS, Go, Flask, Amazon Web Services (AWS), D3, pandas, scikit-learn, NumPy, SciPy, R, STATA
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