20 software development engineer intern jobs at 16 companies in Fredericksburg, VA

1mo
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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
2mo
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Software Engineer Intern - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteInternship
ICR
ICR: Independent technology and consulting firm.
0+ YOEBachelor's in CS/CE/EE; proficient in Python, Java, HTML, JavaScript; Windows/Linux API knowledge; client/server experience; strong problem solving and communication; self-motivated team player.
Python, Java, HTML, JavaScript, Git, Jenkins, Windows API, Linux API
1w
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iOS CNO Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
REDLattice
REDLattice: Provides advanced cybersecurity software and vulnerability research services.
Experience developing iOS software, exploit development, reverse engineering, kernel and OS internals, strong programming in Objective-C/Swift/C/C++/Python, active TS/SCI with polygraph, bachelor's degree in a technical field.
Objective-C, Swift, C, C++, Python, LLDB, IDA Pro, Ghidra, Frida, Hopper, Git, Bitbucket, ARM64
1w
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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
3mo
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Software Engineer - Platform & Infrastructure
Washington or San Francisco
$165k-$220k/yr HybridFull Time
Promise
Promise: Providing payment and financial assistance systems for government agencies.
5+ YOE5+ years of software or infrastructure experience in a platform/infra/SRE role; production Kubernetes; Terraform IaC; internal systems; on-call; AI tools experience.
Kubernetes, Terraform, Google Cloud Platform, CI/CD, ArgoCD, Typescript, Golang, AI tools
2mo
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Software Engineering Intern
Washington, District of Columbia, United States
HybridInternship
Social Impact
Social Impact: Provide management consulting for global development effectiveness.
0+ YOEPursuing CS/SE/Data Science degree; strong problem-solving; able to work independently and with others; interest in scalable enterprise systems; US citizen; DC area; internship; background check.
Node.js, React, Python, PostgreSQL, REST APIs, Git/GitHub
1mo
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Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
Auria
Auria: Engineering and software solutions for space and defense missions.
5+ YOEActive Secret clearance and US citizenship required; 5+ years systems engineering; Bachelor's in CS or equivalent; strong Python (asyncio), C++ (C++17/20), pybind11/Cython, Kubernetes/Docker, Linux internals, CI/CD (ArgoCD, GitHub Actions), Prometheus/Grafana.
Python, asyncio, C++, pybind11, Cython, Kubernetes, Docker, ArgoCD, GitHub Actions, Prometheus, Grafana, CMake, GitLab CI/CD
1mo
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Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
3+ YOE3+ years software engineering; experience with Rust or strong systems languages, TypeScript/React, Linux, Docker, CI/CD, scripting (Bash/Python); ability to debug across app, OS, and network layers.
Rust, C, C++, Go, TypeScript, React, Linux, Docker, GitLab CI, Jenkins, Bash, Python, Tauri, Ansible, Jetson, Orin, ARM64, AWS, S3, IAM, EC2, Conan
2w
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Software Developer, GO Systems
Austin or Menlo Park or Washington or New York City
$171k-$240k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
8+ YOEBachelor's degree or equivalent,8+ years building and shipping full‑stack projects,experience scaling internal tooling and driving multi‑team technical roadmaps,ability to communicate across global teams.
PHP, Hack, JavaScript, React
2d
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Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
1w
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Unity 3D Developer Intern
Fredericksburg, Virginia, United States
$21-$30/hr OnsiteInternship
Obsidian Solutions Group: Delivers technology-enabled and mission-oriented solutions to government agencies.
Currently enrolled senior or recent graduate in CS/Software Engineering, experience with Unity and C#, familiarity with Git, portfolio/GitHub required, strong problem-solving and communication skills.
Unity, C#, Git, GitHub, VERTEX, WebGL, Android, REST API, Blender, Maya, AR/VR
1w
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Web Application Developer Intern
Falls Church, Virginia, United States
$20/hr OnsiteInternship
Mathtech
Mathtech: Provides consulting and technology services for government agencies.
Pursuing IT/CS degree, familiarity with Laravel or MVC frameworks, PHP and basic SQL, Windows and Linux command-line experience, strong problem-solving and communication skills, must be a U.S. Person per ITAR.
Laravel, Model-View-Controller (MVC), PHP, SQL, Microsoft Windows, Linux command line
2mo
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Android Developer
McLean, Virginia, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
3+ YOETop Secret clearance required; 3+ years EXP; Python and C; UNIX makefiles; CNO tools; socket programming; debuggers; reverse engineering; exploit software; OS internals; mitigations; version control.
Python, C, UNIX, Makefiles, WinDbg, gdb, IDA Pro, Git, GitLab
6d
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Senior Forensic Developer
Washington or Chantilly
HybridFull Time
AnaVation
AnaVation: Providing technical engineering and cybersecurity solutions for federal agencies.
5+ YOE5+ years developing forensic/investigative tooling, bachelor\u0002s in CS or related, experience with OS internals/reverse engineering, evidentiary-grade forensic apps, and strong communication.
EnCase, AXIOM, X-Ways, Cellebrite, IDA Pro, Ghidra, radare2
2mo
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Windows CNO Developer
Herndon, Virginia, United States
$60k-$180k/yr OnsiteFull Time
M9 Solutions
M9 Solutions: Provides IT modernization and technology services to federal agencies.
3+ YOEActive TS/SCI with Full Scope Poly, 3+ years in CNO/CNE development on Windows, strong C, Windows internals, debugging, reverse engineering tools, and scripting.
C, Windows, IDA, Ghidra, x64dbg, Python
3w
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Product Analyst - Software Development
Reston, Virginia, United States
OnsiteFull Time
Securiport
Securiport: Provides biometric and big data solutions for global border security.
5+ YOEAdvanced degree in CS/Engineering plus 5+ years (or BS plus 8+ years) IT experience, system design and requirements expertise, strong communication, US work authorization, international travel as required.
1mo
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Data and Technology Analyst I-Division of International Finance
Washington, District of Columbia, United States
OnsiteFull Time
Federal Reserve Board of Governors
Federal Reserve Board of Governors: The central bank of the United States.
1+ YOEBachelor's in CS, Data Science, Math, Engineering, Economics or equivalent; minimum 1 year relevant experience; proficiency in R, Python and/or MATLAB; experience with Git/GitLab, software development, data analysis, databases, cloud tech, and automation.
R, Python, MATLAB, Git, GitLab, Claude Code