74 software development intern jobs at 36 companies in Timonium, MD

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Software Engineering Intern
Annapolis Junction, Maryland, United States
OnsiteInternship
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
0+ YOEStudent pursuing a Bachelor's in CS/Software Engineering; interest in VR, OO programming; able to learn and work in a team.
Message Queues, DDS, REST, Networking, Data Modeling, Storage, Software Libraries
1w
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2026 Intern Conversion - Software Development Engineer I
Seattle or Van Horn or Denver or Huntsville or Arlington or Los Angeles or Longmont or Reston or Florida
$101k-$155k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
Completed a 2026 Blue Origin internship, enrolled in or recently graduating from college, B.S. in mechanical, aerospace, or astronautical engineering, and eligible to work under U.S. export controls.
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
3mo
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Software Engineer Intern - Fulton, MD
Fulton, Maryland, United States
$30-$38/hr OnsiteMultiple Commitments Available
ICR
ICR: A research and analytics providing software development services.
Pursuing Bachelor's in CS/CE/EE; strong Python/Java/HTML/JavaScript; software lifecycle experience; Windows/Linux API knowledge; client/server; problem solving; communication; self-motivation; teamwork.
Python, Java, HTML, JavaScript, Windows API, Linux API, Git, Jenkins, CI/CD
5d
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Software Design Engineer Intern
Orlando or McLean
OnsiteInternship
By Light Professional IT Services
By Light Professional IT Services: Provides IT systems engineering and cybersecurity solutions for federal agencies.
Pursuing a bachelor's or master's degree in a technical field; familiarity with Java, Git, data structures, algorithms, and object-oriented programming; strong analytical, communication, and teamwork skills.
Java, Git, Agile
1mo
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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
1mo
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Software Developer
Annapolis Junction, Maryland, United States
$64k-$128k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
1+ YOEBachelor's in CS/CE or related, 1+ years programming experience in C/C++ and Python, strong OS and network internals knowledge, Top Secret/SCI + Full Scope Poly, familiarity with binary analysis tools and software security.
Python, C, C++, Java, Windows, Linux, IDA Pro, Ghidra, ASLR, DEP, ARM, RISC, PPC
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397 - Principal Software Engineer
Fort Meade or Annapolis Junction
$216k-$241k/yr OnsiteFull Time
ARSIEM
ARSIEM: Provides cybersecurity and software engineering to government agencies.
11+ YOEBachelor's degree plus 11 years of relevant experience or equivalent; Python proficiency; C/C++ and x86 Assembly comprehension; software architecture, OS internals, debugging, malware analysis, and reverse engineering experience.
Python, C, C++, Assembly, x86
1mo
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Principal Software Engineer TS/SCI w/Poly
Fort Meade, Maryland, United States
$200k-$255k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
Design, develop, test, and maintain low-level and high-performance software; proficiency with Python and ability to read C/C++ and x86 Assembly; experience with OS internals, compilers, and reverse engineering.
Python, C/C++, Assembly (x86)
3w
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Software Developer (TS/SCI w/Poly)
Fort Meade or Columbia
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEActive TS/SCI w/Poly and USCC JQR required; 5+ years exploit/CNO tool development or equivalent; proficiency in .NET, Python, C/C++, ASM; strong Windows/Linux internals and offensive cyber experience.
.NET, Python, C, C++, ASM, Ghidra, GDB, WinDbg
1mo
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Cyber Software Engineer-Principal
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
11+ YOETS/SCI with polygraph required; B.S. in Computer Science (or equivalent experience) with 11+ years; strong Python; able to read C/C++ and x86 Assembly; experience with OS internals, software architecture, executable analysis, and debugging.
Python, C, C++, x86 Assembly
2w
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Flight Software Internship - Spring 2027
El Segundo or Los Angeles or Washington or Huntsville
$37/hr OnsiteFull Time, Internship
Varda Space Industries
Varda Space Industries: Develops in-orbit manufacturing platforms and reentry capsules for pharmaceuticals.
Currently enrolled in an accredited undergraduate or graduate program; proficient in C++, experienced with embedded systems or microcontrollers, and familiar with data structures, algorithms, operating systems, debugging, and Linux.
C++, Python, Linux, Arduino
1w
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Senior CNO Software Engineer
Hanover, Maryland, United States
$115k-$190k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
14+ YOERequires a technical bachelor's degree and 14+ years of experience or a high school diploma and 18+ years; Python or C/C++, CNO development, networking, debugging, system internals, and active TS/SCI with polygraph.
Python, C, C++, TCP/IP, Atlassian JIRA, Atlassian Confluence, Atlassian Crucible
1mo
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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
1mo
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Principal Software Engineer TS/SCI w/Poly
Fort Meade, Maryland, United States
$200k-$255k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Global provider of engineering, technical, and mission support services.
7+ YOERequires TS/SCI with polygraph, advanced software engineering skills, Python, C/C++, x86 Assembly, operating system internals, algorithms, reverse engineering, and relevant experience based on degree level.
Python, C, C++, Assembly, x86
2mo
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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
1w
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Cyber Engineering Intern
Arlington, Virginia, United States
$95k-$120k/yr OnsiteFull Time
Zetier: A technology developing cyber capabilities and low-level software systems.
Familiarity with C/C++, Python, OS kernel drivers, and cyber engineering; effective communication; ability to obtain and maintain a U.S. security clearance.
C, C++, Python, Ghidra, IDA Pro, gdb, 802.11ac, Zigbee, GSM, SATCOM, SDN, UHF/VHF, 5G, POSIX, WIN32 API, uBoot, IoT, x86, x64, ARM, AES-GCM, ECDSA, git, svn, mercurial, Android, iOS
1mo
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Principal Software Engineer 4 with TS/SCI + Poly
Fort Meade, Maryland, United States
$207k-$227k/yr OnsiteFull Time
Aperio Global
Aperio Global: Develops cybersecurity, AI, and intelligence software for government missions.
11+ YOEBachelor's +11 years (or equivalent); active TS/SCI with polygraph; proficiency in Python; ability to read C/C++ and x86 Assembly; experience with OS internals, compilers, debugging, and executable analysis.
Python, C, C++, Assembly (x86)
1w
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Student Research Intern
Newark, Delaware, United States
$15/hr OnsiteMultiple Commitments Available
Delaware Technical Community College
Delaware Technical Community College: Provides higher education and vocational training programs.
High school diploma or GED plus post-secondary coursework or specialized training in the field of study; requires technical knowledge, computer skills, accurate record keeping, communication, and teamwork.
computers
4d
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AI/ML Internship - Fall 2026 (Engineering Intern 4) - 29894
Aberdeen Proving Ground or United States
$43k/yr HybridPart Time, Internship
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
0+ YOEWorking toward a bachelor's degree with over 60% of credits completed; requires technical writing, problem-solving, and willingness to learn programming languages. Git, GitLab, JFrog Artifactory, Jira, and Confluence preferred.
Git, GitLab, JFrog Artifactory, Jira, Confluence, Advanced Framework for Simulation, Integration and Modeling (AFSIM), C++, AFscript