28 java developer java backend engineer jobs at 15 companies in Hagerstown, MD

1w
Save
Mark Applied
Hide
Java Backend Developer Senior
Ashburn, Virginia, United States
$120k-$160k/yr HybridFull Time
SAIC
SAICNYSE: SAIC: Provides engineering, IT, and mission support services to government.
5+ YOE5+ years Java/J2EE development, BS in Computer Science/Engineering, cloud and AWS Lambda experience, NoSQL, Docker/Kubernetes, Spring Boot, strong SQL/JDBC/JPA/Hibernate and CI/CD skills.
Java, J2EE, JEE, AWS, AWS Lambda, MongoDB, DocumentDB, DynamoDB, Docker, Kubernetes, Spring Boot, Oracle, XML, JSON, Unix, Linux, JDBC, JPA, Hibernate, GitLab, JIRA, Jenkins, React, IBM MQ, JMS, EJB, MDB, Weblogic, Websphere, JBOSS
2mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
4w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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++
3w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3w
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Software Engineer SME
Herndon, Virginia, United States
$50k-$290k/yr OnsiteFull Time
The Swift Group: Providing engineering and cybersecurity services for national security missions.
10+ YOE10+ years building and operating backend services, APIs, and microservices; BS in Computer Science; US citizenship and active TS/SCI with Polygraph; proficiency with Java, Ansible/Python, Postgres/MySQL/MariaDB, Linux, AWS, containers, and Git workflows.
Java, Ansible, Python, Postgres, MySQL, MariaDB, Linux, AWS, Hadoop, Spark, Yarn, Hive, Trino, GitLab, GitHub, Git, SQL
1mo
Save
Mark Applied
Hide
Full Stack Software Engineer (TS/SCI)
Herndon or Colorado Springs or Melbourne
$82k-$132k/yr OnsiteFull Time
Vantor
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
3+ YOEU.S. citizen with active TS/SCI, Bachelor's in Software Engineering or related STEM, minimum 3 years experience, proficiency with Java/C++/Python, frontend and backend development, containerized microservices, CI/CD, Agile, and related tools.
Java, C++, Python, Vue.js, React, Kafka, Git, ELK, Grafana, Prometheus, Bash, Linux, Subversion, IDE, CI-CD Pipelines
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
Software Engineer (Expert) (22694)
Herndon, Virginia, United States
OnsiteFull Time
RenXTech
RenXTech: Technical and analytical support for national security missions.
6+ YOEU.S. citizenship and active TS/SCI with Polygraph required. 6+ years in backend/frontend/cloud/Linux, proficiency in Python and Java, AI/ML experience (2–3 yrs), SQL/NoSQL, search tools, containerization, and Agile tooling (Jira/Confluence/GitHub).
Python, Java, Angular, Amazon Web Services (AWS), Commercial Cloud Services (C2S), Linux, vi, emacs, shell scripting, SQL, NOSQL, ElasticSearch, Solr/Lucene, OpenSearch, Docker, Podman, Jira, Confluence, GitHub, ETL, AI/ML
1mo
Save
Mark Applied
Hide
Senior Database Engineer – GSE (Ground Support Engineer)
Sterling, Virginia, United States
$99k-$185k/yr OnsiteFull Time
Trident Systems
Trident Systems: Develops high-performance electronics for space and defense.
6+ YOEBachelor's degree or equivalent, 6+ years designing and maintaining production/engineering database systems; strong relational DB experience (PostgreSQL, MySQL, SQL Server), schema design, performance tuning, backup/recovery, and backend integration skills.
PostgreSQL, MySQL, SQL Server, Python, C#, Java, JavaScript, PowerShell, ERP, PLM, MES
2w
Save
Mark Applied
Hide
Mid-Level Developer
Herndon, Virginia, United States
OnsiteFull Time
ActioNet
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
3+ YOE3+ years experience, bachelor’s degree, US citizenship, Public Trust clearance eligible; experience with modern front-end frameworks, backend languages, SQL, testing, CI/CD, and system design.
React, Vue.js, Angular, Java, JavaScript, Python, Go, PostgreSQL, SQL, RESTful, GraphQL, CI/CD
1w
Save
Mark Applied
Hide
Full Stack Software Engineer
Herndon, Virginia, United States
$111k-$183k/yr OnsiteFull Time
Unissant
Unissant: Delivers data analytics and cybersecurity services to government agencies.
2+ YOE2–7 years full stack experience; proficiency with frontend and backend languages; experience with dashboards, Power BI/Tableau, and SharePoint; bachelor\u0002s degree required; ability to obtain Secret clearance.
JavaScript, TypeScript, React, Angular, Vue, Python, C#, Java, Node.js, Power BI, Tableau, SharePoint Online, Microsoft 365