34 java backend developer jobs at 19 companies in Hagerstown, MD
🚀PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
9+ YOEBachelor's in CS or related field; 9+ years Java development; JavaEE, Spring, Spring Boot; AWS, Docker, Kubernetes; Kafka/SQS/Kinesis; NoSQL; REST/GraphQL; CI/CD tools; on-site Ashburn, VA; US citizenship with CBP background.
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
9+ YOEBachelor's degree in computer science or related field; 9+ years Java experience; strong Java/JEE, Spring, Spring Boot; experience with Docker/Kubernetes, AWS; SQL/NoSQL, REST/GraphQL; CI/CD tools; Agile familiarity; US citizenship and public trust eligibility.
BTI360: Develops software and AI solutions for national security customers.
Backend Java experience, Spring or Spring Boot, CI/CD, AWS CodeBuild/Jenkins/GitHub Actions, REST APIs, containerization, and data platform integration.
teKnoluxion: Providing technical engineering and cloud services to the intelligence community.
6+ YOEActive Top Secret/SCI clearance with CI poly eligibility; bachelor’s (required) or master’s in CS or related; 6+ years experience (varies by degree); strong Java or Python, SQL, REST API, Linux skills.
BDR Solutions: Provider of IT, engineering, and consulting for federal agencies.
4+ YOEUS citizen with active IRS MBI, 4+ years ReactJS experience, Java/Spring Boot backend, enterprise IAM (SSO/OAuth2/SAML/OIDC/RBAC), Section 508/WCAG 2.1 accessibility, and testing/validation experience.
Lead Java Software Engineer; Individual Contributor
Rockville or Tysons
$131k-$238k/yrHybridFull Time
FINRA: Regulates brokerage firms and exchange markets in the United States.
7+ YOELead software engineer with strong Java backend, AWS, and system design experience; 7+ years, bachelor’s degree, DevOps/CI-CD, and security knowledge.
GDITNYSE: GD: Delivers IT and mission services to government agencies.
8+ YOEActive TS/SCI with polygraph, DoD 8570 IAT Level II cert, 8+ years related experience, SharePoint on-prem and Online experience, PowerApps/Power Automate, back-end programming experience, systems engineering skills.
SharePoint, SharePoint Online, PowerApps, Power Automate, PowerShell, Python, JavaScript, Java, Perl, Ruby, C++
Insight Xcite: A mission-focused consulting firm that supports critical government programs through engineering, technology, cybersecurity, and analytics.
6+ YOEActive TS/SCI with Full-Scope Polygraph, 6+ years software development, frontend (React/Angular/JS/TS/HTML/CSS) and backend (Java/Python/Node.js) experience, API development, Git, and Agile.
Nightwing: Provides advanced cyber and intelligence solutions for national security.
Experienced full-stack developer with Angular and Java/ Spring backend experience, AWS application support, TS/SCI with Polygraph required day one, bachelor\u0002s in a relevant field.
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
3+ YOE3+ years Java and backend development experience with microservices, Docker/Kubernetes, Spring, REST, AWS/CI tools; TS/SCI with polygraph required; ability to obtain DoD 8570 certification.
Java, Docker, Kubernetes, Spring Framework, Spring Boot, REST, AWS, Bitbucket, Jenkins, Linux, Ansible, Git, MongoDB, Apache NiFi, Kafka
AxonNASDAQ: AXON: Develops weapons and software for law enforcement and safety.
8+ YOE8+ years software development; experience designing highly available cloud-based systems; backend experience with Java/Scala/Go/C#; SQL/NoSQL data stores; bachelor's in CS/Engineering.
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
2+ YOE2+ years OOP experience (Java/JEE), backend frameworks (Spring/Spring Boot), REST API development, Linux CLI, NiFi; TS/SCI clearance with polygraph required; ability to obtain DoD 8570 certification (Security+ or CISSP) within 6 months.
Java, JEE, Spring Framework, Spring Boot, REST, Linux, NiFi, MongoDB, Jira, Confluence, Git, GitLab, Apache Kafka
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
4-6 years backend and frontend development; 6-8 years AWS/Linux; 2-3 years AI/ML; strong Python/Java; Agile; SQL/NoSQL; cloud and microservices; security clearance with polygraph; Docker/containers.
M1 Technology: Developing mission-critical technology for the U.S. intelligence community.
Proficiency with modern front-end JavaScript frameworks or backend languages, microservices architecture, AWS cloud development, SQL and NoSQL databases, and RESTful API development.
Rockville or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yrRemoteFull Time
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years building backend services and RESTful APIs using Java and/or NodeJS, Angular front-end experience, AWS/cloud, Git/GitHub, unit/integration testing, strong communication, and U.S. citizenship eligible for Public Trust.
Java, NodeJS, Angular, C#, .Net, AWS, API Gateway, Lambda, S3, CloudWatch, Docker, ECS, EKS, Git, GitHub, JIRA, JUnit, Jest, Microsoft Teams, TypeScript, JavaScript, XML, JSON, Electronic Data Interchange X.12 (EDI)
Maxar Intelligence: Providing satellite imagery and geospatial intelligence for global security.
3+ YOEU.S. citizen with active TS/SCI clearance, bachelor\u0002s in Software Engineering or STEM, 3+ years experience, familiarity with Java/C++/Python, frontend and backend development, containerized microservices, CI/CD, Agile, and collaboration tools.
CACINYSE: CACI: Provides information technology and professional services to government clients.
3+ YOEIn-person work at Sterling, VA or Denver, CO; TS/SCI with poly; Bachelor's in STEM or related; 3+ years software development; backend (Java) or frontend; Linux; containers/microservices; agile Kanban; willing to obtain security certification.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOE3+ years developing Angular/TypeScript (including AngularJS→Angular migrations), RxJS expertise, SAFe/Agile experience, OGC geospatial standards, backend API experience (Java/Python), Security+ (or willingness), U.S. citizen with active TS/SCI and CI Polygraph.