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Junior Java Developer Jobs in Dundalk, MD, US

130+ junior java developer jobs from 70 companies hiring in Dundalk, MD, US.

133 jobs- Dundalk • 50 miles
1mo
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Junior Developer
Rosslyn, Virginia, United States
OnsiteFull Time
ActioNet
ActioNet: Provides IT modernization and cybersecurity services for government agencies.
0+ YOEEntry-level software developer with 0–3 years of experience; strong foundation in programming; basics of Python, Java, or C#; familiar with Agile/Scrum; good communication and documentation skills; willingness to learn; Azure Dev/Cert preferred.
Python, Java, C#, Agile, Scrum, Azure, Microsoft Certified: Azure Developer Associate
1mo
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Junior Software Engineer
Annapolis Junction or Columbia
$135k-$155k/yr OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
Junior software engineer role focusing on geospatial Java microservices; TS/SCI with Polygraph required; Bachelor’s degree in CS or related field; strong Java and microservices knowledge.
Java, Spring, Maven, Git, Docker, Kubernetes, AWS, Geospatial libraries, Relational databases, NoSQL databases
2mo
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Junior CNO Developer (Onsite)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Nightwing
Nightwing: Provides cybersecurity and intelligence solutions for government agencies.
1+ YOEBachelor's degree or 4 years of related experience; 1 year programming in Assembly, C, C++, Java, Perl, or Python; 1+ year development in Windows/.NET or UNIX environments.
Python, C, C++, Java, Perl, Assembly, PowerShell, Bash, Visual Studio, .NET, Git, IDA Pro, Ghidra, OllyDbg
1mo
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Junior Cloud Developer
McLean, Virginia, United States
OnsiteFull Time
Prescient Edge
Prescient Edge: Provides intelligence, security, and defense support services.
Pursuing or completed degree in CS/IT with focus on cloud; US citizen; cloud platform knowledge (AWS/Azure/Google Cloud); programming in Python/JavaScript/Java; familiarity with Docker/Kubernetes; CI/CD and automation scripting.
Docker, Kubernetes, AWS, Azure, Google Cloud, Python, JavaScript, Java, SQL, NoSQL, MySQL, PostgreSQL, MongoDB, CI/CD, Infrastructure as Code, Serverless, VPC, Networking, Cloud Security
4w
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Junior Software Developer
Chantilly or McLean
OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
1+ YOE1 year relevant experience; Bachelor's in CS/CE/EE; full-stack dev with Java/C/Python/JS-TS, React, REST, Docker/Kubernetes, AWS, Linux, GitLab CI/CD; TIG Stack; CompTIA Security+.
Java, Python, JavaScript, TypeScript, React, REST, Docker, Kubernetes, Helm, NoSQL, SQL, AWS, Linux, GitLab CI/CD, TIG Stack, Web Services
2w
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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
2mo
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Junior Software Engineer
Baltimore, Maryland, United States
OnsiteFull Time
Baltimore Orioles
Baltimore Orioles: Professional baseball team providing sports entertainment and events.
Bachelor’s degree in Computer Science or Information Systems; experience with Python, Java, C++, Ruby, or JavaScript; experience leading all SDLC phases; data integration experience; ability to gather requirements and work with users; available for non-traditional hours.
Python, Java, C++, Ruby, JavaScript, SQL, AWS S3, AWS Lambda, AWS SQS, Django, R
3w
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Junior Software Engineer - Intern
Fairfax, Virginia, United States
OnsiteInternship
ECS
ECSNYSE: ASGN: Provides advanced technology and engineering services to government agencies.
US Citizen; pursuing Bachelor's or Master’s in Computer Science or Engineering; programming in Python, C++, Java; Linux familiarity; strong teamwork, writing, and presentation skills; ability to learn quickly in a fast-paced environment; self-motivated.
Python, C++, Java, Linux
1mo
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Software Developer – Junior (Team 01)
Washington, District of Columbia, United States
$100k-$115k/yr OnsiteFull Time
Amentum
AmentumNYSE: AMTM: Provides engineering, technology, and mission support to government agencies.
1+ YOEJunior software developer with backend experience and knowledge of Java, JavaScript, Python, SQL; familiarity with frameworks and Agile; requires active Top-Secret clearance with SCI eligibility.
Java, JavaScript, Python, SQL, Git, JFrog, Artifactory, Xray, Splunk, HashiCorp Vault, Terraform, Nexus, Jira, Crucible, Jenkins, Ansible, AWS, Microsoft Azure, Windows Server, Linux
1mo
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Junior Software Engineer
Annapolis Junction, Maryland, United States
$95k-$105k/yr OnsiteFull Time
Crown Point Technologies
Crown Point Technologies: Provides data engineering and software development for government and commercial clients.
Bachelor’s degree or equivalent experience; basic programming knowledge; familiar with Git; strong problem-solving and communication skills.
Git, Java, Python, JavaScript, C#
2w
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Cleared Junior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Yellow Duck Technologies
Yellow Duck Technologies: Engineering mission-critical software and systems for the intelligence community.
3+ YOEActive TS/SCI clearance with Full Scope Polygraph; 3+ years of experience; bachelor's degree in a technical discipline; experience with Python, JavaScript, or Java; familiarity with databases and version control; strong communication.
Python, JavaScript, Java, Databases, Git
1mo
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Front End/Angular 2+/Full Stack Java Developer
Hanover, Maryland, United States
$111k-$150k/yr OnsiteFull Time
General Dynamics Information Technology
General Dynamics Information Technology: Provides IT and mission services to government agencies.
1+ YOE1+ years of related experience; US citizenship; Top Secret SCI + Polygraph clearance; Java and Angular development experience; Full stack Java development
Java, Angular, MongoDB
3w
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Junior Agile Developer
Annapolis Junction, Maryland, United States
$129k-$165k/yr OnsiteFull Time
Intelliforce
Intelliforce: Provides engineering and technical solutions for the intelligence community.
3+ YOETop Secret clearance with Full Scope Poly, U.S. citizenship, Bachelor's degree or equivalent, 3 years of relevant experience (or Master's plus 1 year), active TS clearance with CI poly within last 5 years.
Java, Spring Boot, Python, AWS, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible, NoSQL, MongoDB, DynamoDB, OAuth, OIDC, Cypress, Cucumber
2w
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Full Stack Developer, Junior
McLean, Virginia, United States
$53k-$108k/yr HybridFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Consulting and technology services for government and commercial clients
1+ YOEJunior full stack developer with 1+ years of software engineering experience; bachelor's degree; ability to obtain Secret clearance; proficiency in front-end and back-end languages; experience with Agile environment.
Java, Python, C#, C, C++, NET, JavaScript, React, NodeJS, PHP, Drupal
3w
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Junior Software Engineer (Hybrid) - 28171 (Columbia, MD, Maryland, United States)
Columbia, Maryland, United States
$90k-$120k/yr HybridFull Time
HII
HIINYSE: HII: Builds naval ships and provides global defense technology solutions.
2+ YOE2+ years software engineering with Java; AI/LLM integration experience; REST/microservices; Dev tools; hybrid work in Columbia, MD.
Java, Spring, Guava, REST, Microservices, Git, Nexus, Maven, Linux, API Development, AI Integration
3w
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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
1mo
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Junior Full-Stack Developer
Crystal City, Virginia, United States
HybridFull Time
INTEGRITYOne Partners
INTEGRITYOne Partners: Provides IT modernization and software engineering for federal agencies.
0+ YOEEntry-level/full stack developer proficient with React, Java/Spring, AWS; US citizen; able to obtain DHS 6C Public Trust clearance; periodic onsite in Crystal City, VA; Bachelor's degree or equivalent experience preferred.
React, Java, Spring, Spring Boot, AWS, JPA/JDBC, GraphQL/REST, Containerization
5d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Delivers intelligence, analytics, and cyber solutions for national security.
Bachelor's in CS or related field or 4 years software engineering exp; TS/SCI with Poly; Agile; Jira/Confluence; Git; Java/C++/Python; Postgres.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, Docker, Kubernetes, Nginx, HAProxy, Elastic Stack
5d
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Software Engineer - Junior Level
Annapolis Junction, Maryland, United States
$98k-$123k/yr HybridFull Time
Boeing Intelligence & Analytics
Boeing Intelligence & AnalyticsNYSE: BA: Provides intelligence analytics and cyber solutions for national security.
0+ YOEBachelor's in CS or related field or 4 years of software engineering experience; TS/SCI with poly; Agile, Jira/Confluence; experience with Java/C++/Python, Git, Postgres; AWS preferred.
Git, Java, C++, Python, PostgreSQL, Jira, Confluence, AWS, Docker, Kubernetes, HAProxy, Nginx, Elastic Stack
2w
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Full Stack Developer, Junior
McLean, Virginia, United States
$53k-$108k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
0+ YOEFull stack development experience; Agile software engineering; ability to obtain Secret clearance; Bachelor's degree required.
SQL, Java, Python, C#, C, C++, .NET, JavaScript, React, NodeJS, PHP, Drupal
1mo
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Junior Full Stack Software Developer / Top Secret
Washington, District of Columbia, United States
$66k-$106k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
1+ YOEBachelor's degree with 1+ year experience; or AS/AA with 3+ years; or 5+ years in lieu of degree. Experience with GitLab CI/CD, OO languages, and SQL databases. U.S. Citizenship. Top Secret/SCI w/Poly clearance.
Angular, Java, PostgreSQL, GitLab, DevSecOps, SQL Server
1mo
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Junior Software Engineer
Columbia, Maryland, United States
$70k-$190k/yr OnsiteFull Time
Belay Technologies
Belay Technologies: Provides specialized technology and engineering services to the DoD.
7+ YOEEntry-level software engineer; TS/SCI clearance with polygraph; 7 years with a Bachelor’s in CS (or related) or 11 years without the degree; JS/TS/React skills.
JavaScript, TypeScript, CSS, HTML, React, Material UI, Java, Docker, Kubernetes, Rancher, Gitlab Pipelines
1mo
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Software Engineer Junior Level
Linthicum, Maryland, United States
$100k-$200k/yr OnsiteFull Time
Integrity Technology Consultants
Integrity Technology Consultants: Provides engineering and management consulting solutions to US national security.
7+ YOETS/SCI with polygraph; 7+ years SWE experience; Bachelor’s in CS or related field with 4 years’ experience substitution; strong analytics; Pig; PySpark.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
1mo
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Software Engineer - Java, Python, node.js, JavaScript, HTML (2026-0065)
Reston, Virginia, United States
OnsiteFull Time
Acclaim Technical Services
Acclaim Technical Services: Provides language and intelligence services to U.S. federal agencies.
2+ YOEBachelor's degree in engineering or related field; 2+ years software engineering experience; proficiency in Java, Python, Node.js, JavaScript, HTML.
Java, Python, Node.js, JavaScript, HTML
3w
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Software Developer
Alexandria, Virginia, United States
$75k-$102k/yr OnsiteFull Time
Space Ground System Solutions
Space Ground System Solutions: Provides engineering services for satellite ground systems and space missions.
0+ YOE0-5 years software development experience; Linux, React/JavaScript, Java; BS in CS/Engineering.
React, JavaScript, Java, Linux, Go, Python, C/C++, Kubernetes, Docker, Podman, Shell scripting, Git, Jira, REST, JSON, RHEL, NodeJS
2mo
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Full Stack Developer (Java, Spring, MongoDB, Elasticsearch) - Top Secret/SCI/FSP Required - Onsite
Annapolis Junction, Maryland, United States
OnsiteFull Time
Booker DiMaio
Booker DiMaio: Software engineering and IT modernization for government agencies.
Top Secret/SCI clearance required; onsite in Annapolis Junction, MD; Java 8+; Elasticsearch; MongoDB; Oracle; Spring Boot; Angular; RESTful services; Solr; strong interfaces between applications.
Java, Elasticsearch, MongoDB, Oracle, Spring Boot, Angular, RESTful web services, Solr
1d
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Software Engineer
Columbia or Minneapolis
$87k-$124k/yr HybridFull Time
Computershare
ComputershareASX: CPU: Global provider of financial administration and shareholder management services.
Strong Java, React, REST APIs experience; familiar with container platforms and Agile development; hybrid office work arrangement.
Java, React, REST APIs, OpenShift
2w
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Summer 2026 Software Developer Internship
Annapolis Junction, Maryland, United States
$26-$35/hr OnsiteInternship
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
0+ YOE0+ years of related experience; US citizenship; programming in Python/Java/C/C++/JavaScript; knowledge of software development lifecycle; collaborative teamwork.
Python, Java, C/C++, Rust, JavaScript/TypeScript
1w
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NLM Software Engineer I
Bethesda, Maryland, United States
$70k-$95k/yr OnsiteFull Time
Lexical Intelligence
Lexical Intelligence: Develops NLP software for biomedical research and portfolio analysis.
2+ YOE2+ years software development experience; BS/degree in CS/SE; proficiency in Python/Java/JavaScript/C++/R/SQL; SDLC and secure coding; web app development; Git; strong communication; US work authorization with Public Trust clearance.
Python, Java, JavaScript, C++, R, SQL, Matlab, SAS, ETL, MySQL, MongoDB, Jupyter Notebooks, Git, GitHub, GitLab, Linux, Docker, Kubernetes, REST, AWS, Google Cloud, Azure, CI/CD, US-CERT, OWASP
1w
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Software Engineer I (Onsite)
Fulton, Maryland, United States
$63k-$120k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: RTX provides advanced aerospace and defense systems and services.
Bachelor's degree in STEM; Java and C++ experience; multithreaded software development; willingness to work onsite in Fulton, MD; ability to obtain/maintain DoD Secret clearance; U.S. citizenship.
Java, C++, Maven, Apache Ant, Jenkins
5d
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Software Engineer 1 (DM)
Hanover, Maryland, United States
OnsiteFull Time
Quevera: Software engineering and cloud solutions for government and defense.
Strong analytics development background; Pig and PySpark; Python, Java, Scala; NiFi; Ansible; agile environment; patch management; must have TS/SCI Poly clearance to apply.
Pig, PySpark, Python, Java, Scala, NiFi, Ansible
2mo
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Associate Software Engineer
Arlington or Mount Laurel
$72k-$114k/yr OnsiteFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software integration and testing solutions for defense.
0+ YOE0–2+ years backend development; BS in a related field; proficient in Python/Java/C++/C#; ability to travel; knowledge of SDLC; APIs and databases; distributed systems; security practices.
Python, Java, C++, C#
1mo
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Backend Software Engineer
Reston, Virginia, United States
RemoteFull Time
Game Plan Tech
Game Plan Tech: Building secure cloud and AI systems for government.
Back-end developer proficient in Java or Python, databases (SQL/NoSQL), Git/CI/CD, cloud platforms (GCP/AWS/Azure), containers (Docker/Kubernetes), and REST APIs.
Java, Python, Git, CI/CD, Docker, Kubernetes, GCP, Azure, AWS, SQL, NoSQL, REST APIs
3w
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Associate Software Engineer
Reston, Virginia, United States
OnsiteFull Time
Metron
Metron: Develops scientific software and mathematical models for national security.
Bachelor’s degree in computer science, mathematics, physics, or related field; proficiency in Java, TypeScript, Python, or C++; strong OO programming; full-stack web development experience; US citizenship with eligibility for security clearance.
Java, TypeScript, Python, C++, MongoDB, RabbitMQ, Spring Boot, React, Redux, WebGL, OpenGL
3mo
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Jr Level Software Developer
Columbia, Maryland, United States
$94k-$144k/yr OnsiteFull Time
ELEVI Associates
ELEVI Associates: Provides cybersecurity and IT infrastructure services for government agencies.
7+ YOESecurity clearance with poly required; 7+ years as a software engineer or 4+ years with degree substitution; BS in CS or related field, or equivalent experience; strong Java, REST, Agile, Git, and IDE skills.
Java, REST, Agile, Atlassian tools, Git, IntelliJ, Eclipse, Kotlin, Mongo, Spring, Spring Boot, Python, Kubernetes, NiFi, RabbitMQ
2w
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Software Engineer - 90402844 - Washington DC, Philadelphia PA or Wilmington DE (US)
Washington or Wilmington or Philadelphia
$72k-$93k/yr OnsiteFull Time
Amtrak
Amtrak: Operates America's national intercity passenger railroad system.
1+ YOEBachelor’s degree or equivalent; 1+ year software engineering; Java, Python, SQL; frontend/backend development; CI/CD and cloud; onsite in DC/DE/PA.
Angular, React, Java, Python, SQL, NoSQL, AWS, Azure, CI/CD
2mo
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2039 Software Engineer 0
Fort Meade, Maryland, United States
OnsiteFull Time
InterImage
InterImage: Provides IT modernization and intelligent automation services for government.
0+ YOEBachelor of Science with 0-6 years experience; Windows/C# or Java; TS/SCI with Polygraph required; FPGA/ASIC knowledge helpful.
C#, Java, FPGA, ASIC, COTS software protocols
2mo
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Software Engineer
Tampa or Fort Belvoir
OnsiteFull Time
Odyssey Systems
Odyssey Systems: Providing technical and engineering services to federal government agencies.
3+ YOEUS citizen; active secret clearance with ability to obtain TS/SCI; bachelor’s in CS/IS or related field with 3–6 years of experience; proficiency in Java/C#/Python/JS/TS; Git; REST/microservices; team collaboration; strong communication.
Java, C#, Python, JavaScript, TypeScript, Git, RESTful APIs, microservices, CI/CD, Docker, Kubernetes, Databases
1mo
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Software Engineer (entry level)
Annapolis Junction, Maryland, United States
OnsiteFull Time
Root Source
Root Source: Providing specialized software and systems engineering for government agencies.
Bachelor's degree in Computer Science or equivalent experience; US Citizenship; TS/SCI with Poly; experience with JavaScript, Node.js, Java, Python, Git, testing.
JavaScript, Node.js, Java, Python, Git, Jest, IDE, Spring Boot, Django, Virtualization, Streaming frameworks, Testing
1w
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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

HiringCafe market data

Junior Java Developer Jobs market signals in Dundalk, MD, US

These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.

Open jobs
130+
Hiring companies
70
Fresh sample
56% new in 30d
Salary visibility
69% show pay

Companies appearing in this market

Booz Allen HamiltonBoeing Intelligence & AnalyticsAmentumPeratonPrescient EdgeSpace Ground System SolutionsGDITGeneral Dynamics Information Technology

Work location mix in visible results

Onsite: 60Hybrid: 11Remote: 1