1,480 software developers jobs at 312 companies in Hanover, PA

3mo
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
7+ YOE7+ years in software development; BS in CS; TS/SCI with Poly; Linux development; programming in C/C++, Python; Git/GitLab; IDEs (VSCode/Eclipse); Agile/Scrum.
Linux, Git, GitLab, VSCode, Eclipse, C/C++, Python
2mo
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Software Engineer
Fort Meade, Maryland, United States
$160k-$180k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Provides professional program and engineering services to federal agencies.
7+ YOEActive TS/SCI with Polygraph; Bachelor's in a technical field and 7+ years of software development/engineering, or HS diploma with 11+ years; Python and/or C/C++ experience; software lifecycle understanding.
Python, C, C++, Software Development Life Cycle
1mo
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Software Developer
Belcamp, Maryland, United States
$83k-$140k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
10+ YOEBSc and 10+ years software development experience, U.S. citizenship with active Secret clearance, proficiency with Java/Python/C#/JavaScript, Linux/Windows experience, testing and documentation skills, DoD experience preferred.
Java, Python, C#, JavaScript, Linux, Windows
3mo
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Software Engineer
Aurora or Annapolis Junction
$72-$84/hr HybridFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
5+ YOE5+ years in software engineering; Java, Spring Boot, Kafka; WebSockets; microservices; SQL/NoSQL databases; OCI containers; Docker/Kubernetes; TS/SCI clearance with polygraph; Bachelor's in Software Development/Engineering
Java, Spring Boot, Kafka, WebSockets, Microservices, MySQL, PostgreSQL, MongoDB, Docker, Kubernetes, OCI containers, ReactJS, HTML, JavaScript, CI/CD, Jira, Confluence
1mo
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Software Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Gormat
Gormat: Provides cybersecurity and systems engineering services to government defense agencies
3+ YOEBachelor's degree and 3+ years experience (Master's may substitute), active TS/SCI with poly required, experience with C/C++, Python, assembly, and Linux/Windows/Mobile platforms; software development, testing, reverse engineering, and vulnerability research.
Windows, Linux, C/C++, Python, Assembly
1w
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Software Engineer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOEActive Top Secret/TS-SCI clearance with polygraph, bachelor's in technical discipline or 4+ years equivalent, 3+ years software development with strong Python, experience with production applications, stream processing and AI development concepts.
Python, PydanticAI, Langgraph, DeepAgents, Apache Kafka, Elasticsearch
4d
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Software Engineers
Annapolis Junction or Fort Meade
OnsiteFull Time
Artera Technologies
Artera Technologies: Provides software and systems engineering for the intelligence community.
Experience developing complex software systems for high-performance or data-intensive environments; TS/SCI clearance; familiarity with modern languages, frameworks, and cloud/DevOps tools.
Java, J2EE, JavaScript, C, C++, Python, Angular, Docker, Kubernetes, UNIX / Linux, MongoDB, Express, React, Node, GoLang, Vue.js, Web Services (REST, SOAP), Spring, Hibernate
1mo
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Senior Software Engineer
Laurel, Maryland, United States
$105k-$290k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
5+ YOEBachelor's in CS/CE/EE/Physics/Math, 5+ years software development, strong modern C++ (C++11+), Python 3, Linux development, multi-threaded/concurrent software, Git, and ability to obtain Interim Secret and ultimately Top Secret clearance (U.S. citizenship).
C++, Python 3, Linux, Git, gRPC, JSON, AFSIM, EADSIM, Docker, Podman, Kubernetes, Rancher, OpenShift, CMake, Conan, GitLab CI/CD, SLURM
3mo
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Senior Software Developer
Aberdeen, Maryland, United States
$104k-$181k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
5+ YOEDesign, develop, and implement software across multiple languages; lead components; troubleshoot; mentor and guide developers; ensure secure, maintainable results. Must be a US citizen with SECRET clearance.
Python, C++, Java, C#, Go, Docker, Kubernetes, CI/CD
1w
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Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
Strong programming skills, SDLC experience, security-focused software development; Top Secret/SCI with Full Scope Polygraph required; familiarity with DevOps, CI/CD, cloud, and compliance frameworks.
Java, C++, C#, Python, JavaScript, Go, Ruby, Scala, Spring, Angular, React, Node.js, Bootstrap, .NET, Eclipse, IntelliJ IDEA, Microsoft Visual Studio, Microsoft VS Code, PyCharm, NetBeans, Linux, Unix, Windows, macOS, Oracle, MySQL, PostgreSQL, MongoDB, Microsoft SQL Server, Git, GitHub, GitLab, Bitbucket, SVN, Maven, Gradle, Jenkins, Bamboo, Ant, Docker, Kubernetes, OpenShift, AWS, Azure, Google Cloud Platform (GCP), JIRA, Confluence, ServiceNow, Bash, PowerShell, NIST SP 800-53, DoD STIGs, RMF, ICD 503
2w
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Software Engineer III
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$108k-$149k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
6+ YOEBachelor's degree in CS/Software Engineering or related,6+ years software development experience,proficiency in C++,Java,Python,experience with RTOS/embedded systems preferred,excellent communication and critical thinking.
C++, Java, Python, C, C#, HTML, Bash
3w
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Senior Software Developer (Hybrid)
Annapolis Junction, Maryland, United States
$77k-$206k/yr HybridFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
9+ YOE9+ years software development experience (strong in Python or Java), reverse engineering or LLM application development skills, familiarity with EM tooling and testing frameworks, BS in Computer Science or related field.
Python, Java, IDA, Ghidra, x86 Assembly, ARM Assembly, PPC Assembly, Langchain, LangGraph, LangSmith, JUnit, Pytest, gRPC, poetry, gradle, uv
2mo
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Software Engineer
Annapolis Junction, Maryland, United States
$100k-$200k/yr OnsiteFull Time
BCT
BCT: Delivering mission technology and engineering services for national security.
Active TS/SCI with polygraph required; SIGINT or policy experience preferred; software engineering experience across design, development, debugging, and testing; must meet one of stated education/experience combinations.
1mo
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Senior Software Developer (Systems Software)
Columbia or Fort Meade
$146k/yr OnsiteFull Time
Endictus
Endictus: Provides cybersecurity and systems engineering services to federal agencies.
10+ YOEActive TS/SCI with CI Polygraph; degree in CS or related field; extensive systems software and CNO experience; proficiency in C/C++, Java or Python; strong OS, networking, distributed systems, and software engineering skills.
C, C++, Java, Python
1mo
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Junior Software Developer
Annapolis Junction or Columbia
$130k-$150k/yr OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
3+ YOEActive security clearance with polygraph; bachelor\u0002s in a technical discipline (or 7 years' experience) with 3 years software development; front-end experience with JavaScript, Node.js, AngularJS/Angular, Vue.js; documentation experience.
JavaScript, Node.js, AngularJS, Angular, Vue.js, Elastic Search, MongoDB, AWS, Git, EngineX
2w
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Software Engineer
Columbia or Linthicum Heights
$180k-$200k/yr OnsiteFull Time
BEAT
BEAT: Provides IT and technical services for government and healthcare sectors.
Experience developing Java-based software, enterprise APIs, RESTful services, microservices and OOP; Linux and config management (Git,Nexus,Maven); US citizenship eligible for clearance; experience with AI coding agents preferred.
Java, Claude Code, Google's Antigravity, Gemini, NiFi, Kafka, AWS, Microsoft Azure, Linux, Git, Nexus, Maven, Elasticsearch, Postgres, Trino, Python, Flask, Vue, Docker, CICD, JIRA, Confluence, Github Enterprise
2mo
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Software Engineer
Baltimore or Annapolis
HybridFull Time
ExistX
ExistX: Transitions national security research into operational software and systems.
5+ YOE5+ years enterprise software development; BS in Computer Science or related field; backend languages Java/C/C++/Rust/Python; experience with scalable systems; strong documentation; cryptography or cloud knowledge preferred.
Java, C/C++, Rust, Python, Cryptol, Haskell, Docker, Kubernetes, AWS, Azure
1mo
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Software Developer, Intermediate
Chambersburg, Pennsylvania, United States
$110k/yr HybridFull Time
AGE Solutions
AGE Solutions: Technology consulting and IT services for government agencies.
5+ YOEBachelor's degree, 5+ years software development, 2+ years full‑stack (React/Vue/Angular and Node.js/Python/Java), DoD 8140 qualification (DoD 8570 IAT II), and active DoD Secret clearance.
React, Vue, Angular, Node.js, Python, Java, AWS, Azure, Docker, Kubernetes
1w
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Software Development Manager
Hunt Valley, Maryland, United States
$150k-$180k/yr OnsiteFull Time
Sinclair
SinclairNASDAQ: SBGI: Operates television stations and produces news and sports programming
6+ YOE6+ MgmtBachelor's in computer science or equivalent; 6+ years software development experience in management; 5+ years web/native app development; experience with cloud/desktop apps, multi-platform delivery, strong communication and leadership.
Mac, Windows, Linux
3w
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Software Engineer
Annapolis Junction, Maryland, United States
$110k-$258k/yr OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
7+ YOEBachelor's in computer science (or equivalent experience), 7+ years SWE experience (levels up to 20 years available), ability to design, develop, debug, and test complex software and algorithms; active security clearance with appropriate polygraph required.