84 junior java jobs at 41 companies in Hanover, PA

1mo
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Junior Application Developer
Annapolis Junction or Columbia
$140k-$190k/yr HybridFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
3+ YOEActive TS/SCI with Polygraph; Bachelor in CS/Software Eng/IS plus 3 years of software dev; Master’s plus 1 year; 4-year substitution option; Python, Django, Docker, AWS, Java, JavaScript, ReactJS/Vue.js; Agile experience.
Python, Django, Docker, AWS, Java, JavaScript, ReactJS, Vue.js, PostgreSQL, HTML, CSS
1w
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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
3w
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Analytic Developer-Junior
Annapolis Junction, Maryland, United States
OnsiteFull Time
NetSage
NetSage: Delivering specialized cyber services to the U.S. federal government.
2+ YOETS/SCI with polygraph required; BS in Computer Science (or equivalent) + 2 years experience; experience with Java, Python, PySpark, ETL, JSON/BSON, Pig/MapReduce/Hadoop.
Java, Python, PySpark, JSON, BSON, Pig, MapReduce, Hadoop
1mo
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Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Tiber Technologies: Providing specialized engineering and security services for federal missions.
U.S. citizen with active clearance and polygraph required. Bachelor's in computer science, engineering, or related field required. Proficiency in Java, Python, PySpark, and experience with big-data frameworks (Hadoop, MapReduce, Pig), ETL, JSON/BSON.
Java, Python, PySpark, Pig, MapReduce, JSON, BSON, Hadoop, ETL
3w
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Junior Software Developer
Annapolis Junction, Maryland, United States
$55k-$106k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
2+ YOE2+ years Python and Java development, IDA/Ghidra plugin/script experience, x86 assembly, testing with JUnit/Pytest, familiarity with LLM inference tooling (Langchain, Langchain4j), grpc, Agile experience, BS in Computer Science related field, willingness to obtain security clearance.
Python, Java, IDA, Ghidra, x86 Assembly, JUnit, Pytest, Langchain, Langchain4j, Embedding Stores, MCP Servers, gRPC
3mo
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Junior Computer Scientist/Engineer
Aberdeen, Maryland, United States
$75k-$131k/yr OnsiteFull Time
Parsons
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEBachelor's in engineering or related field with 2 years software development experience; programming in Python/C++/Java; SECRET clearance required.
Python, C++, Java, Cloud platforms
2mo
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Junior Backend Software Developer
Columbia, Maryland, United States
$115k-$160k/yr OnsiteFull Time
Visionist
Visionist: Provides software engineering and data analytics for national security.
3+ YOETop Secret/SCI clearance with polygraph; bachelor's degree; 3 years software development; Java, REST, Spring Boot; MongoDB; automated testing.
Java, Spring Boot, MongoDB, REST, Automated Testing
3w
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CNO Analyst Programmer, Junior (AE26041051SW0A)
Hanover, Maryland, United States
$114k-$123k/yr OnsiteFull Time
Advantage Engineering & IT Solutions
Advantage Engineering & IT Solutions: Provides technical engineering and IT services for government agencies.
0+ YOEEntry-level programmer for Assembly, C, C++, Java, Perl, or Python; requires Active Top Secret SCI with polygraph, Bachelor's degree (or 4 yrs experience substitution).
Assembly, C, C++, Java, Perl, Python, Visual Studio, .NET, UNIX, make
1mo
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Junior DevOps Engineer
Annapolis Junction, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
TS/SCI with polygraph; bachelor’s degree (or 4 years SWE experience); experience with Linux, AWS, Docker/Docker Swarm, Terraform, Ansible, Git, CI/CD; willing to support rotating 24/7 on-call pager.
Linux, AWS, MASH, VMs, Docker Swarm, Docker, Docker Compose, GitLab CI/CD, Terraform, Ansible, Git, Python, NiFi, Elasticsearch, Java, Spring Boot, HAProxy, MongoDB
3w
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Test Engineer (Python, Java - TS/SCI w/ Polygraph required)
Annapolis Junction, Maryland, United States
$80k-$165k/yr OnsiteFull Time
Red Alpha
Red Alpha: Provides software engineering and data science for defense missions.
2+ YOE2+ years testing experience, strong Python and Java skills, TS/SCI with Polygraph, experience with automated and manual test frameworks, CI/CD integration, performance testing, and geospatial validation.
Python, Java, Selenium, JUnit, JMeter, Gatling, Jira, CI/CD
6d
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Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
Bachelor's in CS or related (or 4 years experience), U.S. citizenship, active Top Secret/SCI with Full Scope Polygraph, no prior experience required; software engineering fundamentals and teamwork.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Visual Studio, VS Code, Windows, Unix, Linux, macOS, Atlassian Suite (JIRA, Confluence), GitHub, ServiceNow, Spring, Angular, Bootstrap, Oracle, MySQL, MongoDB, Maven, Jenkins, Docker, Kubernetes, Git, SVN, CVS, AWS, Azure, Google Cloud
2w
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Junior Software Developer (Backend Focused)
Annapolis Junction, Maryland, United States
OnsiteFull Time
BigBear.ai
BigBear.aiNYSE: BBAI: AI-powered decision intelligence for complex mission environments.
3+ YOE3+ years software engineering with a technical Bachelor's (or 7+ years experience), strong Java and Spring Boot skills, MongoDB or similar DB experience, and automated testing experience; active TS/SCI with poly required.
Java, Spring Boot, MongoDB, Apache Kafka, Linux, Vue.js
1w
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Junior Software Engineer Level 0 - Polygraph Required Annapolis Junction
Annapolis Junction, Maryland, United States
HybridFull Time
Anthem Engineering
Anthem Engineering: Developing software and system solutions for government intelligence missions.
Entry-level software engineer with experience in one or more languages (Java, JavaScript, TypeScript, Python), familiarity with Git, software development principles, and strong communication and problem-solving skills.
Java, JavaScript, TypeScript, Python, Git
3w
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Junior Cloud Software Engineer (AI/ML) - TS/SCI w/ Poly
Annapolis Junction, Maryland, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
4+ YOEUS citizen able to obtain TS/SCI w/ poly; 4+ years software development experience (or Bachelor's); experience with NoSQL (HBase, Accumulo, Big Table), Java/C/C++; cloud and AI/ML experience preferred; test and integration experience.
AI/ML, AWS, HBase, Accumulo, Big Table, NoSQL, Java, C, C++, CKAD
3w
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Junior Cloud Software Engineer (AI/ML) - TS/SCI w/ Poly
Annapolis Junction, Maryland, United States
$80k-$128k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
4+ YOEUS citizen able to obtain TS/SCI with polygraph; 4+ years software development experience (or bachelor's in CS/related); experience with NoSQL (HBase, Accumulo, Big Table), Java/C/C++; software integration and testing experience; preferred AWS and CKAD certifications.
HBase, Accumulo, Big Table, Java, C, C++, AWS, Kubernetes
3mo
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Software Engineer Level 0
Annapolis Junction, Maryland, United States
$89k-$140k/yr OnsiteFull Time
DCCA
DCCA: Provides IT and engineering solutions for government and defense agencies.
TS/SCI with poly required; strong Java and Python; experience with GitLab/Jira; CI/CD; Agile methods; knowledge of Docker/Kubernetes; RESTful services.
Java, Java SE, Java 8, Java 17, Python, Git, Shell/Bash, Nexus, Maven, JUnit, Eclipse IDE, VS Code, JavaScript/HTML5/CSS3, Jira, GitLab, Docker, Podman, Kubernetes, OpenShift, Spring Boot
1w
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Managed Services - BI Engineer - Senior Associate
Phoenix or Indianapolis or Grand Rapids or Raleigh or Charlotte or Jacksonville or Cincinnati or Cleveland or Columbia or Kansas City or Columbus or Dallas or Las Vegas or Little Rock or Baltimore or Richmond or Louisville or Sacramento or Birmingham or St. Louis or Salt Lake City or San Antonio or Albany or Tampa or Toledo or Atlanta or Tulsa or Austin or Miami or Milwaukee or Minneapolis or Denver or Des Moines or Nashville or Detroit or New Orleans or Buffalo or Oklahoma City or Fort Worth or Greensboro or Pittsburgh or Houston
$77k-$202k/yr OnsiteFull Time
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
2+ YOEBachelor's degree, minimum 2 years experience; experience with BI tools, data pipelines, Python/Java and analytics; strong critical thinking and client communication.
Oracle Business Intelligence, QlikView, Spotfire, BIRT, Python, Java
2w
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Software Engineer II
Lone Tree or Sparks or Longmont or Hagerstown or Herndon or Englewood
$94k-$130k/yr HybridFull Time
Sierra Nevada Corporation
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOEBachelor's in CS or related,2+ years software development experience,proficiency in C++,Java,Python,knowledge of engineering principles,ability to work in multidisciplinary teams.
C++, Java, Python, C, C#, HTML, Bash, RTOS, AI/ML
4d
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Software Engineer 1
Annapolis Junction, Maryland, United States
$133k-$179k/yr OnsiteFull Time
GDIT
GDITNYSE: GD: Delivers IT and mission services to government agencies.
2+ YOEBachelor's degree, TS/SCI clearance with polygraph, 2+ years experience, proficiency with Linux, Bash, Python, Java, Spring, MongoDB, Docker, Kubernetes, CI/CD and Git.
Bash, Linux, MongoDB, Python, Java, Spring Framework, Spring Boot, Spring Data, Spring Integration, Docker, containerd, Kubernetes, RabbitMQ, Kafka, Bamboo, GitLab CI, Ansible, Git, Jira, Confluence, Helm
1mo
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Software Engineer
Annapolis Junction, Maryland, United States
$70k-$285k/yr OnsiteFull Time
Athenix Solutions Group: Provides cybersecurity, systems engineering, and training for defense agencies.
0+ YOETS/SCI with Polygraph required. Bachelor’s in CS or related (or equivalent experience). Experience with Linux, Gitlab, C++, Python, Java, JavaScript/Vue.js, Docker, Kubernetes, MongoDB/SQL, and Jira.
Gitlab, vscode, Redhat, CentOS, Rocky, C++, Python, JAVA, Javascript, Vue.js, Docker, Kubernetes, MongoDB, SQL, Jira