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153 junior java jobs at 82 companies in Maryland

2w
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Java Developer
Bethesda, Maryland, United States
OnsiteFull Time
Black Cape
Black Cape: Provides mission software, AI, and data analytics for defense.
1.5+ YOEBachelor's degree and 1.5+ years experience, proficiency in Java, APIs (REST/GraphQL), PostgreSQL, Docker; experience with Linux/Windows/MacOS; must have active TS/SCI clearance and be willing to obtain a CI poly.
Java, REST, GraphQL, PostgreSQL, Docker, MacOS, Windows, Linux, Google TensorFlow, Python scikit-learn, GitLab, Spring Boot, maven, JUnit, Kubernetes, OpenShift
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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
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3mo
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Junior Full Stack Software Engineer (JAVA)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Interclypse
Interclypse: Provides software engineering and cybersecurity solutions for government agencies.
0+ YOE0-4 years software development exp with Java or JavaScript; exposure to MongoDB/SQL; Bachelor's in CS/CE/IS; REST APIs; agile environment.
React, Java, Spring Boot, C#, .NET, MongoDB, SQL, RESTful APIs
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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
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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
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3w
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Junior Software Developer
St Inigoes, Maryland, United States
$70k-$116k/yr OnsiteFull Time
ManTech
ManTech: Provides technology solutions for defense and intelligence agencies.
1+ YOEBachelor's in CS/SE/CE/Math or related, 1+ years software development experience, applied C/C++ and Java, agile experience, Secret security clearance required.
C, C++, Java, Linux, Wireshark, Eclipse IDE, SVN
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2w
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Junior Software Developer
Washington or Maryland or Virginia
OnsiteFull Time
Akumen
Akumen: Provides technology, cybersecurity, and data services to federal agencies.
2+ YOEBachelor's or equivalent, 2+ years software development experience, proficiency with C#/.NET or Java, JavaScript frameworks (React/Angular), Microsoft Azure and Azure DevOps, RESTful APIs, and relational databases.
C#/.NET, Java, JavaScript, React, Angular, Microsoft Azure, Azure DevOps, RESTful APIs, SQL Server, PostgreSQL, ASP.NET Core, Spring Boot, Docker, Kubernetes, Terraform, Bicep, PowerShell, Python, Bash, CI/CD pipelines
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3d
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Junior Reverse Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
2+ YOEActive Secret clearance, BS in related discipline with 2+ years experience, Linux and programming experience (Python/Java/C/C++), knowledge of binary analysis and cryptography, and strong communication skills.
Linux, Python, Java, C/C++, Ghidra, Binary Ninja, IDA, JADX, x64dbg, GDB, I2C, JTAG, UART, SPI, USB, Ethernet, APIs
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2w
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Junior NextGen Developer
California, Maryland, United States
$73k-$120k/yr RemoteFull Time
DCS Corporation
DCS Corporation: Providing engineering and technical services for national security.
2+ YOEBachelor's plus 2 years experience, U.S. citizenship, ability to obtain Secret clearance, experience with Java or C#/ASP.NET Core, React/TypeScript/JavaScript, Node, microservices, and distributed teams.
Java, C#, ASP.NET Core, React, Jest, TypeScript, JavaScript, Node, NPM, HTML5, CSS, Kubernetes, Helm, RabbitMQ, Git, Jira, Bitbucket, Confluence, Jenkins, Rancher, SonarQube, Postgres, SQL, Docker, SAFe
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3d
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Junior Reverse Engineer
Aberdeen Proving Ground, Maryland, United States
$76k-$156k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
2+ YOEActive Secret clearance, BS in related discipline, 2+ years related experience, Linux experience, knowledge of cryptography, programming experience (Python/Java/C/C++), and proficiency communicating technical findings.
Linux, Python, Java, C/C++, Ghidra, Binary Ninja, IDA, JADX, x64dbg, GDB, APIs
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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
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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
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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
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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
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1mo
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Junior Data Engineer (Faculty Specialist)
College Park or United States
$80k-$100k/yr RemoteFull Time
University of Maryland
University of Maryland: Public research university providing undergraduate and graduate degree programs.
B.S. in Computer Science or related field; experience with Python/Java ETL, SQL, database administration, and production DB maintenance; familiarity with non-relational stores, geospatial data, Linux, and cloud platforms.
Python, Java, SQL, PostgreSQL, PgBouncer, Cassandra, Hadoop, Spark, Iceberg, Sedona, PostGIS, Linux, Red Hat Enterprise Linux (RHEL), Bash, Git, Jira, Confluence, Bitbucket, AWS, GCP
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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
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3w
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Junior Software Developer
Lexington Park, Maryland, United States
$75k-$85k/yr OnsiteFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
1+ YOERequires C# development experience, Agile/SDLC familiarity, debugging/testing skills, bachelor's degree in CS/SE/Engineering, 1–3 years experience, and active Secret security clearance.
C#, Python, Java, JavaScript, AWS, Docker, Jenkins, React, Flask, Spring Boot, SQL, NoSQL
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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
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1mo
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Junior Software Developer (Active TS/SCI + Poly)
Fort Meade, Maryland, United States
OnsiteFull Time
Aperio Global
Aperio Global: Develops cybersecurity, AI, and intelligence software for government missions.
2+ YOEBachelor's degree (or equivalent) + 2+ years experience; experience with Java, Python, PySpark, Hadoop, MapReduce, ETL, Pig, JSON/BSON; strong problem-solving and collaboration; active TS/SCI with Polygraph required.
Java, Python, PySpark, Hadoop, MapReduce, ETL frameworks, Pig, JSON, BSON
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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
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