52 java application engineer jobs at 28 companies in Hanover, PA

3d
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Java Developer
Annapolis Junction, Maryland, United States
$120k-$240k/yr OnsiteFull Time
Set of X
Set of X: Provides specialized engineering services for U.S. national security missions.
20+ YOEDesign, develop, test, deploy, and maintain Java applications with containerized deployments; strong experience with AWS, Kubernetes, CI/CD, and modern tooling. TS/SCI with poly required.
Java, JSON, XML, SpringBoot, Mongo, AWS Services, Kubernetes K8, Maven, ReactJS, Elastic, GraphQL, Git, Git CICD, Artifactory, JUnit, Cucumber, Wiremock, GreyBox, K6, Coder Platform, IntelliJ, VSCode, Prometheus, Grafana
1mo
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Application Developer
Annapolis Junction, Maryland, United States
$55-$80/hr OnsiteFull Time
EverWatch
EverWatch: Develops software and intelligence systems for government agencies.
6+ YOE6+ years Java (Spring Boot), 2+ years Python, Linux experience, CI/build automation, object-oriented design, TS/SCI with polygraph required.
Java, Spring Boot, Python, Linux, JMS, ActiveMQ, Ruby, Jenkins, Git, Bitbucket, Subversion, Maven
1mo
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Application Developer
Laurel, Maryland, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
4+ YOETS/SCI with polygraph required; 4+ years software design and development; experience with 3+ of Python, Java, Go, Rust, SQL/NoSQL; Linux development; bachelor's degree required.
Python, Java, Go, Rust, SQL, NoSQL, Linux, JMS, JSON, XML, SOA, RESTful, Bootstrap, Angular, HTML, HTML5, CSS, JavaScript, C, C++, C#, Ajax, Forcepoint High Speed Guards, OWL Data Diodes, ISSE Guards
2mo
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Application Developer Senior
Germantown or Chicago or Nashville or Washington
$91k-$185k/yr HybridFull Time
Accenture Federal Services
Accenture Federal ServicesNYSE: ACN: Provides technology and consulting services to U.S. federal agencies.
10+ YOESenior applications developer with Atlassian/Jira, Java/JavaScript, Azure, SQL; US citizen; willing to travel up to 25%; bachelor’s in CS or equivalent experience.
Jira, Confluence, Java, JavaScript, Azure, .NET, WebSphere, SQL, Power Platform, ServiceNow, IIS, Azure DevOps
4w
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Application Developer
Annapolis Junction, Maryland, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
6+ YOE6+ years Java (Spring Boot), 5+ years software design/integration/testing, 2+ years Python, 1+ year Ruby, Linux experience, TS/SCI with polygraph, Bachelor's degree.
Java, Spring Boot, Python, Ruby, Linux, JMS, Jenkins, Bitbucket, Subversion, Git, Maven
3w
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Application Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: Provides AI-powered decision intelligence software for national security.
10+ YOE10+ years software engineering experience (varies by degree), hands-on reverse engineering, proficiency in C,C++,Python, experience maintaining fielded systems, and familiarity with version control and Atlassian tools. Active TS/SCI with poly required.
C, C++, Python, Git, Subversion, Jira, Confluence, Bamboo, Java, JavaScript, Bash, PowerShell, Perl, C#, Rust
2mo
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Application Security Engineer
Hanover, Maryland, United States
$166k-$295k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
11+ YOETS/SCI with poly required. 11–15+ years experience in systems security, software engineering, or computer science. Hands-on C/C++ or C#, ability to read Java, experience with software assurance tools and source code analysis.
C, C++, C#, Java, Rust, Ada, x86_64, PowerPC, MIPS, ASM, Klocwork, CodeSonar, Fortify, CodePeer, IDA Pro, Fortran-Lint
6d
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Application Developer-Mid
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
5+ YOETS/SCI with polygraph; B.S. in Computer Science (or related) plus 5 years (alternatives accepted); proficiency in Python, PySpark, Java, JavaScript; full-stack, APIs, cloud experience; strong communication and critical thinking.
Python, PySpark, Java, JavaScript, Docker, Kubernetes
2mo
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Senior Application Developer
Annapolis Junction or Columbia
$200k-$275k/yr HybridFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
12+ YOESenior developer with React, Java/Spring, and Pega experience; TS/SCI with Full Scope Poly; bachelor’s degree or 16 years experience; 12+ years development background; Agile experience; PEGA familiarity; willingness to learn PEGA.
React, Java, Spring Boot, Pega, Oracle, SQL
1mo
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Application Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Gigatec
Gigatec: Providing systems engineering and software development services for defense.
Experience with Linux CLI/tools, Bash/Python/PHP scripting, Java development, IDEs (Atlassian SDK or VS Code), Ansible, CI/CD (GitLab CI), Docker, Kubernetes, Git; documentation and customer interaction skills.
Linux CLI, Linux Tools, Bash, Python, PHP, Java, Atlassian plugin software developer kit (SDK), Microsoft Visual Studio Code (VS Code), Ansible, GitLab CI, Docker, Kubernetes, Git, JIRA, Confluence
2mo
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Application Security Engineer
Harrisburg, Pennsylvania, United States
OnsiteFull Time
D&H Distributing
D&H Distributing: Distributes technology products and IT solutions to resellers.
3+ YOEDesigns and implements secure software practices; assesses application security; supports SDLC; proficient in at least one programming language; familiar with OWASP Top 10; experience with security assessments and vendor security.
OWASP, OAUTH, ADFS, PowerShell, Python, Perl, Java, .NET, C#, SIEM, Security
1w
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Application Developer 1 (NRN - 017)
Fort Meade, Maryland, United States
OnsiteFull Time
SageCor Solutions
SageCor Solutions: Provides engineering services for the intelligence community.
Active TS/SCI with polygraph required. Bachelor\u0002s in EE/CS/CE/Math or 4 years military equivalent. Experience developing in C/C++/Java for Unix/Linux/Windows, Python, CI/CD, version control, networking, databases, and web technologies.
C, C++, Java, Unix, Linux, Windows, DLLs, Dialogic, TCP/IP, SNMP, H.323, X.25, 802.11, 802.16, SIP, MEGACO, MGCP, XML, php, mySQL, ColdFusion, Apache, Perl, Python, Bourne shell, C shell, Sybase, Oracle, Microsoft, pytest, Jenkins, Bamboo, git, subversion, MPLS, Ethernet
3w
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Application Developer
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
10+ YOE10+ years software engineering experience (12+ with BS or 10+ with MS), hands-on reverse engineering, strong C/C++/Python skills, familiarity with Git/Subversion and Atlassian tools, US residency required.
C, C++, Python, Git, Subversion, Jira, Confluence, Bamboo, Java, JavaScript, Bash, PowerShell, Perl, C#, Rust
2w
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Full Stack Java Developer with TS/SCI Clearance & Full Scope Polygraph-Onsite in Annapolis Jct, MD
Annapolis Junction, Maryland, United States
OnsiteFull Time
Booker DiMaio
Booker DiMaio: Engineering innovation and software modernization services provider.
Active TS/SCI clearance with Full Scope Polygraph, experience with Java 17, Oracle, Mongo, Spring Boot, GWT, Angular, RESTful web services, and maintaining application interfaces.
Java 17, Oracle, Mongo, Spring Boot, GWT, Angular, RESTful web services
2mo
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Application/Agentic AI Engineer
Aberdeen, Maryland, United States
HybridFull Time
NextGen Federal Systems
NextGen Federal Systems: Provides advanced software engineering and mission support to federal agencies.
3+ YOE3+ years in software engineering or AI integration; BS in CS/Software/ Data/IS; proficient in Python/JS/TS/Java; API/microservice experience; LLMs and AI orchestration familiarity; cloud-native with Docker/Kubernetes; SDLC/DevSecOps/CI/CD; Git; strong problem-solving; active security clearance.
Python, JavaScript, TypeScript, Java, APIs, Microservices, Data services, Docker, Kubernetes, Git, CI/CD, SDLC, DevSecOps
3w
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Software Engineer Level 2 ( Apache Airflow, Python, Java)
Annapolis Junction, Maryland, United States
$185k-$200k/yr OnsiteFull Time
Culper Technology
Culper Technology: Provides software and systems engineering services for the defense and intelligence community.
3+ YOEU.S. citizen with active TS/SCI (with Poly) when applicable; Masters+3yrs or Bachelors+5yrs or 7+yrs experience. Experience with Apache Airflow, Python, Java, Linux, Bash, containers, Apache Spark, and Git.
Apache Airflow, Python, Java, Apache Spark, Docker, containerd, Podman, Git, Bash, Linux, JIRA, Confluence, AWS
3d
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Staff CNO Cyber Protection Reverse Engineer (TG)
Annapolis Junction or San Antonio or Aurora or Cary
$169k-$266k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Designs and manufactures advanced aerospace and defense systems.
7+ YOEActive TS/SCI with polygraph,7+ years reverse engineering,experience with hardware/software reverse engineering,kernel-level programming,programming in Assembly,C,C#,C++,Java,Perl,or Python,EMR not applicable.
Assembly, C, C#, C++, Java, Perl, Python, Subversion, CVS
1mo
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Mission Systems Engineer
Washington or Baltimore or Frederick or Annapolis Junction
$145k-$165k/yr HybridFull Time
Brandes Associates
Brandes Associates: Provides engineering, software, and program support to defense agencies.
5+ YOE5+ years in customer-facing technical roles; strong troubleshooting of Java applications, Linux/Bash, SQL, web servers (Jetty/Apache/IIS), PKI/certificates, release/support processes; DoD 8140/DCWF qualification (CompTIA Security+ covers); active DoD Secret required; US citizenship.
Java, JavaScript, Linux, Bash, SQL, Jetty, Apache, IIS, Azure, PKI
2mo
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Systems & Applications Engineer
Aberdeen Proving Ground, Maryland, United States
$150k-$174k/yr OnsiteFull Time
Sigmatech
Sigmatech: Provides specialized engineering, technical, and programmatic support for government agencies.
10+ YOEBachelor's or Master's in computer science/engineering; 10+ years related experience; Secret clearance with ability to obtain Top Secret; cloud, data engineering, and software development expertise.
Python, Java, Cloud Platforms, ETL Tools, Message Brokers, API Gateways, Power BI, Kibana, Data Warehouses, Data Mesh, Data Lakes
3d
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Senior Integration Software Engineer
Annapolis Junction, Maryland, United States
$190k-$240k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
12+ YOETS/SCI with polygraph, bachelor\u0002s degree and 12+ years software engineering experience, Java and integration experience, REST/SOAP APIs, Docker, Linux, cloud and enterprise application sustainment.
Java, AWS, MySQL, ASP.Net, Linux, SpringBoot, Docker, Angular, Git, GitLab, Atlassian Tool Suite, Oracle, SQL Server, Kubernetes, REST, SOAP, APIs