1,572 software developer software engineer jobs at 311 companies in Hanover, PA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
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
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
2mo
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Software Engineer
Annapolis Junction, Maryland, United States
$150k-$240k/yr OnsiteFull Time
LufCo
LufCo: Provides specialized engineering and analytic services for defense missions.
7+ YOESenior software engineer with TS/SCI clearance and 7+ years of experience; 14+ for higher level, strong PKI, Linux, and modern software stacks.
C, C++, Go, Docker, Rust, Python, Java, JavaScript, Shell Scripting, PL/SQL, React, Spring, Spring Boot, Linux, Windows, AEM, JBoss, Tomcat
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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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
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
1mo
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Software Engineer
Annapolis Junction, Maryland, United States
$176k-$238k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
7+ YOEBachelor's in CS or related, 7+ years software engineering experience, active Top Secret/SCI with Polygraph required, US citizenship required; skills in C++, UI development (Flutter/Qt), IEEE 802.11, Matlab, DSP, Agile, and GitLab.
Agile Methodology, Dev-C++, IEEE 802.11, Software Defined Radio (SDR), User Interfaces (UI), C++, Flutter, QT, Matlab, DSP, GitLab
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
2w
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Software Engineer
Annapolis Junction, Maryland, United States
$96-$108/hr OnsiteFull Time
EverWatch
EverWatchNYSE: BAH: Provides advanced software and intelligence solutions for government agencies.
14+ YOESenior full-stack developer with experience in Java, Spring Boot, Linux, APIs, SQL, Git, and container tooling; TS/SCI with polygraph required; HS/GED plus 18+ years or Bachelor's plus 14+ years of software engineering experience.
Java, JavaScript, Spring Boot, Linux, API, SQL, Git, Docker, Docker Compose, Maven, Apache Kafka, Apache NiFi, Jira, Confluence, ReactJS
2w
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Software Engineer
Annapolis Junction, Maryland, United States
$126k-$270k/yr OnsiteFull Time
AeroVironment
AeroVironmentNASDAQ: AVAV: Designs and manufactures unmanned aircraft and tactical missile systems.
14+ YOEBachelor's in CS/CE/EE/Math/Physics, 14+ years software engineering, TS/SCI with Polygraph, experience with C/C++/C#/Java/Python, CI/CD and build/deploy tools, Windows/UNIX development, strong communication and design skills.
C, C++, C#, Java, Python, Artifactory, Docker, Terraform, Ansible, Packer, Jenkins, Bamboo, Windows, UNIX
5d
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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.
14+ YOE14 years software engineering experience, Top Secret/SCI with Full Scope Polygraph, bachelor's in Computer Science (or equivalent experience), AI/ML and large-scale streaming experience, Terraform with AWS, C++/Python/Golang, GPU-enabled high-performance development.
Terraform, AWS, C++, Python, Golang
1mo
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CNO Software Engineer
Hanover, Maryland, United States
$115k-$190k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
7+ YOETS/SCI w/Poly clearance required. BS+7 years or HS+11 years in software development; experience with Python or C/C++, debugging, and software design; familiarity with CNO concepts and reverse engineering preferred.
Python, C, C++, 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
2mo
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Software Engineer
Columbia, Maryland, United States
OnsiteFull Time
Envision Innovative Solutions
Envision Innovative Solutions: Provides technical engineering and mission support to government agencies.
7+ YOE7 years of software engineering experience; BS in computer science or related field; substitution of 4 years SWE experience for degree possible; onsite in Columbia, MD.
AWS, Docker, Podman, MongoDB, Elasticsearch, Gradle, ReactJS, NodeJS, Java, Spring Boot
3w
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Software Engineer
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
7+ YOE7+ years software engineering experience (or 11+ years without degree), Python scripting, Kubernetes, Docker, Helm, TS/SCI clearance with polygraph required, bachelor’s in CS preferred.
Python, Kubernetes, Docker, Helm
2mo
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Software Engineer
Fort Meade, Maryland, United States
$210k-$230k/yr OnsiteFull Time
Markon
Markon: Provides professional services and management consulting for government agencies.
20+ YOEActive TS/SCI with poly; BS in Computer Science or related field and 20+ years of software engineering experience (or equivalent). Expert Python backend, scalable systems, strong SDLC.
Python
4w
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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
3w
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Software Engineer
Annapolis Junction, Maryland, United States
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOETS/SCI with polygraph required; 7+ years software engineering with a CS bachelor (or 11+ years without); experience with Python, Kubernetes, Docker, Helm; customer support and strong problem-solving skills.
Python, Kubernetes, Docker, Helm
2mo
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Software Engineer 4
Annapolis Junction, Maryland, United States
OnsiteFull Time
RealmOne
RealmOne: Provides advanced technology services for national security agencies.
12+ YOESenior software engineer with 12+ years in software engineering, Java 17+, Spring Boot, REST, MongoDB; solid OO/SOLID; leads features and mentors peers; active security clearance with polygraph.
Java, Spring Boot, MongoDB, REST, Object-Oriented Design
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

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