Fredericksburg • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Fredericksburg • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Fredericksburg • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Fredericksburg • 50 milesRemote · Hybrid · Onsite · Field · All Environments
31 software engineer intern jobs at 20 companies in Fredericksburg, VA
1mo
Save
Mark Applied
Hide
2027 Software Engineer Intern
Costa Mesa or Irvine or Atlanta or Seattle or Boston or Reston
$45-$50/yr OnsiteInternship, Full Time
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
Save
Mark Applied
Hide
Software Engineer Intern - Chantilly, VA
Chantilly, Virginia, United States
$30-$38/hr OnsiteInternship
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
2w
Save
Mark Applied
Hide
Software Engineering Intern
McLean, Virginia, United States
$50/hr OnsiteFull Time, Internship
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
Save
Mark Applied
Hide
iOS CNO Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
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
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Warrenton or Colorado Springs or Florida
$110k-$150k/yr HybridFull Time
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
8h
Save
Mark Applied
Hide
Summer 2027 Software Engineering Intern
Washington, District of Columbia, United States
$25/hr OnsiteInternship, Full Time
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
1mo
Save
Mark Applied
Hide
Senior Software Engineer-Internal Tools
Arlington or Clarksburg
$125k-$140k/yr OnsiteFull Time
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
3w
Save
Mark Applied
Hide
Software Developer, GO Systems
Austin or Menlo Park or Washington or New York City
$171k-$240k/yr OnsiteFull Time
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
1w
Save
Mark Applied
Hide
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
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
2mo
Save
Mark Applied
Hide
Intern – Space Software Engineering, National Security Space
Chantilly, Virginia, United States
OnsiteInternship
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.
1w
Save
Mark Applied
Hide
CNO Developer
Herndon, Virginia, United States
$125k-$300k/yr OnsiteFull Time
3+ YOE3+ years cyber software development with reverse engineering and vulnerability research; active Top Secret/SCI clearance; proficiency in C,C++,Python,Java,JavaScript,Swift, reverse engineering tools, OS internals, and modern CI/CD practices.
C, C++, Python, Java, JavaScript, Swift, IDA Pro, Ghidra, OllyDbg, Jeb, Frida, Windbg, Git, CI/CD, Jira, Confluence
3w
Save
Mark Applied
Hide
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
13h
Save
Mark Applied
Hide
Systems Engineer 3
Tysons, Virginia, United States
$104k-$130k/yr OnsiteFull Time
5+ YOEBachelor's degree in computer science, electrical engineering, or related engineering discipline plus 5+ years' experience developing secure hardware and software infrastructure solutions; international travel up to 15%.
VMware ESXi, VMware vSphere, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows 10, DNS, DFS, DHCP, Active Directory, Group Policy, Microsoft SCCM, Operating System Deployment (OSD), SAN, NAS, RHEL, Microsoft SharePoint, Microsoft SQL Server, PowerShell, Python, JSON, Bash, Cisco HyperFlex, Nutanix, Cisco Unified Computing System (UCS), Fabric Interconnects, Citrix ZenDesktop, VMware Horizon, NetApp, Dell EMC, Pure Storage, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Visio
2w
Save
Mark Applied
Hide
Web Application Developer Intern
Falls Church, Virginia, United States
$20/hr OnsiteInternship
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
Save
Mark Applied
Hide
Android Developer
McLean, Virginia, United States
OnsiteFull Time
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
2mo
Save
Mark Applied
Hide
Windows CNO Developer
Herndon, Virginia, United States
$60k-$180k/yr OnsiteFull Time
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
1w
Save
Mark Applied
Hide
Senior Forensic Developer
Washington, District of Columbia, United States
HybridFull Time
5+ YOE5+ years developing forensic/investigative tooling, bachelor\u0002s degree in CS/SE/cybersecurity, experience with OS internals, reverse engineering, binary analysis, and evidentiary-grade forensic tools; DHS EOD suitability and Secret clearance eligibility required.
EnCase, AXIOM, X-Ways, Cellebrite, IDA Pro, Ghidra, radare2
2mo
Save
Mark Applied
Hide
Staff Platform Engineer
Fairfax, Virginia, United States
$150k-$155k/yr RemoteFull Time
8+ YOEBachelor's degree and 8+ years designing internal developer platforms; federal/regulatory experience; ability to obtain U.S. Public Trust clearance; US work authorization required; strong infrastructure automation and platform leadership skills.
AI tools, infrastructure-as-code, container orchestration
2mo
Save
Mark Applied
Hide
Sales Engineer, Federal
Brooklyn or Washington
$100k-$115k/yr HybridFull Time
3+ YOE3+ years in public sector with knowledge of international trade, defense, or economic security; experience delivering software tools; strong presentation skills; ability map customer problems to Altana solutions.
AI tools, software tools, Altana platform
9h
Save
Mark Applied
Hide
Propulsion Engineering Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$33/hr OnsiteFull Time, Internship
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
Explore Jobs