26 software development intern jobs at 21 companies in Dahlgren, VA
2mo
Save
Mark Applied
Hide
Software Engineering Intern
Washington, District of Columbia, United States
HybridInternship
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
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
1w
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
1w
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
4w
Save
Mark Applied
Hide
Appian Intern (Paid Internship)
Washington, D.C. or United States
$20/hr HybridInternship, Full Time
Bachelor's in a technical field required; strong analytical, communication, and teamwork skills; eagerness to learn Appian low-code development; preferred familiarity with Java/Python/JavaScript/SQL and Agile.
Appian, Java, Python, JavaScript, SQL
2w
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
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
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
6d
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
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
2w
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
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
4w
Save
Mark Applied
Hide
Product Analyst - Software Development
Reston, Virginia, United States
OnsiteFull Time
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.
2d
Save
Mark Applied
Hide
Technology Internship Program - Summer 2027
McLean or Plano or Richmond
$127k-$140k/yr HybridFull Time
Currently pursuing a bachelor’s degree or higher with expected graduation by Aug 2028; must be located in continental US for in-person internship; provide transcript; no visa sponsorship; programming experience in listed languages and strong analytical and communication skills.
Go, Kotlin, Python, Java, HTML, Swift, PHP, XML, JSON, UML, JavaScript, SQL, PL/SQL, Shell scripts, Objective C, C#, C/C++, Perl, .net, asp.net, Visual Basic, React, Angular, Vue JS, RESTful APIs, NoSQL database, Kubernetes, Terraform, Jenkins, Docker, AWS, Scala, Clojure, Haskell, golang, Scheme, Common Lisp
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
3w
Save
Mark Applied
Hide
Fall Internship, International Advocacy
Washington, District of Columbia, United States
$25-$35/hr OnsiteInternship
Current student or recent graduate with interest in health policy, quantitative methods, and pharma industry; experience with statistical software and Excel; strong synthesis, organizational, and communication skills.
SQL, SAS, Stata, R, Python, Microsoft Excel
6d
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
Explore Jobs