34 backend java developer jobs at 19 companies in Hagerstown, MD

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
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.
Node.js, Python, Elasticsearch, Redis
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
1mo
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Java Backend Developer Senior
Ashburn, Virginia, United States
OnsiteFull Time
SAIC
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.
Java, JavaEE, Spring, Spring Boot, AWS, Docker, Kubernetes, Kafka, SQS, Kinesis, NoSQL, MongoDB, DocumentDB, Cassandra, XML, JSON, Unix/Linux, JPA/Hibernate, REST, GraphQL, Jenkins, Maven, Gitlab, Jira, Dynatrace, Harness
1mo
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Java Backend Developer Senior
Ashburn, Virginia, United States
OnsiteFull Time
SAIC
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.
Java, JavaEE, Spring, Spring Boot, Docker, Kubernetes, AWS, WebLogic, Maven, Artifactory, Jenkins, GitLab, Jira, JPA/Hibernate, SQL, Oracle, NoSQL, Kafka, SQS, Kinesis, XML, JSON, GraphQL, Unix/Linux
3mo
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Backend Java Engineer - Clearance Required
Herndon or Chantilly
OnsiteFull Time
BTI360
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.
Java, Spring, Spring Boot, CI/CD, AWS, CodeBuild, Jenkins, GitLab CI, GitHub Actions, REST, HTTP, DevSecOps, Terraform, OpenSearch / Elasticsearch / Solr, Kubernetes, Docker
2mo
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Backend Software Engineer
Gaithersburg, Maryland, United States
$108k-$195k/yr OnsiteFull Time
teKnoluxion
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.
Java, Python, SQL, Linux, RESTful APIs, Apache Airflow, PostGIS, Spring Boot, Django, GitLab, Jenkins, Docker, OpenShift, Kubernetes, AWS, Azure
1w
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Sr. Java/ReactJS Developer
Herndon, Virginia, United States
$140k-$165k/yr RemoteFull Time
BDR Solutions
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.
ReactJS, Java, Spring Boot, SSO, OAuth2, SAML, OIDC, RBAC, WCAG 2.1, Section 508
1mo
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Lead Java Software Engineer; Individual Contributor
Rockville or Tysons
$131k-$238k/yr HybridFull Time
FINRA
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.
Spring Boot, REST, GraphQL, Microservices, AWS, PostgreSQL, MySQL, MongoDB, Cassandra, Neo4j, Amazon Neptune, S3, Lambda, Step Functions, ECS, Fargate, Aurora
3d
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SharePoint Engineer (Back End) - TS/SCI w/Polygraph
Annapolis Junction or Sterling
$147k-$199k/yr OnsiteFull Time
GDIT
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++
3d
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SharePoint Engineer (Back End) - TS/SCI w/Polygraph
Annapolis Junction or Sterling
$147k-$199k/yr OnsiteFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
8+ YOEActive TS/SCI with polygraph, DoD 8570 IAT Level II cert, Bachelor’s +8 years (or equivalent), SharePoint Online/on-prem, PowerApps/Power Automate, PowerShell, back-end programming experience.
SharePoint, PowerApps, Power Automate, PowerShell, Python, JavaScript, Java, Perl, Ruby, C++, Microsoft Azure, Microsoft 365
2mo
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Software Engineer
Herndon or Potomac
OnsiteFull Time
Kepora
Kepora: A that provides defense and security technology solutions.
Full stack developer with backend focus; Solr/Elasticsearch, Lucene, big data tools, Java backend, and security clearance requirements.
Solr, Elasticsearch, Lucene, Hadoop, PySpark, Spark, HBase, Java, AWS, Jira, GitHub
2mo
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Full Stack Developer
Herndon or Chantilly
$190k-$250k/yr OnsiteFull Time
Insight Xcite
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.
React, Angular, JavaScript, TypeScript, HTML, CSS, Java, Python, Node.js, Git, AWS, Azure, Docker, Kubernetes, CI/CD, DevOps
1d
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Full Stack Developer
Sterling, Virginia, United States
$122k-$253k/yr OnsiteFull Time
Nightwing
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.
Angular, JavaScript, TypeScript, HTML, CSS, Java 8+, SpringBoot, Spring Framework, RESTful APIs, AWS, JIRA, Github, SQL, D3, GraphQL, Jenkins, Linux, AWS Services
1d
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Software Engineer
Chantilly or Herndon
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
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
2mo
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Sr Software Engineer II
Sterling, Virginia, United States
HybridFull Time
Axon
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.
Java, Scala, Go, C#, SQL, NoSQL, cloud services
23h
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Software Engineer, Mid
Herndon, Virginia, United States
$69k-$158k/yr OnsiteFull Time
Booz Allen Hamilton
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
1mo
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Software Engineer Lead
Herndon or Columbia
OnsiteFull Time
Freedom Technology Solutions Group
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.
Python, Java, Angular, AWS, Linux, Docker, Kubernetes, ElasticSearch, Solr/Lucene, OpenSearch, SQL, NoSQL, Jira, Confluence, GitHub, ETL, PyTorch, Keras, TensorFlow, Tableau, Pandas, D3.js, Gensim, spaCy, NLTK, Stanford CoreNLP, OCR, BERT, NER
2w
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Software Engineer
Herndon or McLean or Chantilly
OnsiteFull Time
M1 Technology
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.
React, Angular, Vue.js, Java, Python, NestJS, NodeJS, TypeScript, React Query, AWS, Lambda, DynamoDB, S3, API Gateway, PostgreSQL, MySQL, MongoDB, RESTful APIs, Camunda, Flowable, n8n.io, JIRA, Confluence, CI/CD
3d
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Senior Software Developer
Rockville or California or Colorado or Illinois or Minnesota or New Jersey or New York or Oregon or Washington or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
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)
2w
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Full Stack Software Engineer (TS/SCI)
Herndon or Colorado Springs or Melbourne
$82k-$132k/yr OnsiteFull Time
Maxar Intelligence
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.
Java, C++, Python, Vue.js, React, Kafka, Git, ELK, Grafana, Prometheus, Bash, Linux, Subversion, IDE, CI-CD Pipelines
1mo
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Software Developer / Engineer
Sterling or Denver
$82k-$172k/yr OnsiteFull Time
CACI
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.
Java, Spring, JavaScript, TypeScript, Vue, Bootstrap, Mockito, JUnit, Cypress, PostgreSQL, MySQL, Redis, AWS DynamoDB, AWS, Git, Jira, Confluence, GitLab CI/CD, SonarQube, Fortify, Docker, Kubernetes
1mo
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Full Stack Software Engineer
Herndon, Virginia, United States
$77k-$152k/yr OnsiteFull Time
Lockheed Martin
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.
Angular, AngularJS, TypeScript, RxJS, Java, Python, Docker, Kubernetes, OpenShift, CI/CD, WMS, WFS, Tile Services, SAFe

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