HiringCafe
Join our community

132 junior java developer jobs at 73 companies in Maryland

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
Help us #BeatIndeed & #BeatLinkedIn
1w
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
3mo
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
1w
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
2mo
Save
Mark Applied
Hide
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
Job PostingView all
6d
Save
Mark Applied
Hide
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
Job PostingView all
3mo
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
4w
Save
Mark Applied
Hide
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
Job PostingView all
3d
Save
Mark Applied
Hide
Information Technology Specialist - Java Applications Developer
California or District of Columbia or Florida or Georgia or Illinois or Kentucky or Maryland or Michigan or Missouri or New York or Pennsylvania or Puerto Rico or Tennessee or Texas or Utah or West Virginia
$90k-$137k/yr OnsiteFull Time
IRS Office of Chief Counsel
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
1+ YOEIT experience demonstrating Attention to Detail, Customer Service, Decision Making, Information Management, Interpersonal Skills, Oral Communication, Problem Solving, Team Work and Technical Competence; GS-12 specialized experience; U.S. citizenship and PIV requirements.
Java SE, JEE, Java Applets
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
1mo
Save
Mark Applied
Hide
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
Job PostingView all
6d
Save
Mark Applied
Hide
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
Job PostingView all
2d
Save
Mark Applied
Hide
Junior Software Engineer
Hanover, Maryland, United States
$110k-$140k/yr OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Delivers engineering and technology services for national security.
0+ YOEBachelor's in computer science or related (or 4 years experience), TS/SCI with Full Scope Polygraph, no prior software experience required; familiarity with modern languages, tools, and cloud platforms.
Java, C#, C++, JavaScript, Python, Scala, Ruby, Go, Eclipse, NetBeans, IntelliJ IDEA, PyCharm, Microsoft 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
Job PostingView all
2d
Save
Mark Applied
Hide
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
Job PostingView all
4w
Save
Mark Applied
Hide
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
Job PostingView all
2w
Save
Mark Applied
Hide
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
Job PostingView all
3d
Save
Mark Applied
Hide
Junior Software Packaging Engineer
California or Colorado or Connecticut or Florida or Georgia or Illinois or Kansas or Massachusetts or Maryland or Maine or New Jersey or North Carolina or New York or Oregon or Tennessee or Texas or Virginia or Washington or Austin or Tampa
$85k-$110k/yr HybridFull Time
NinjaOne
NinjaOne: Unified IT platform for automated endpoint management and security.
2+ YOE2+ years technical experience, Windows OS familiarity, scripting or OOP experience, Git knowledge, comfortable with AI coding assistants; packaging, installer analysis, and automation skills.
Java, Kotlin, C++, Golang, Postgres, AWS, Git, PowerShell, Zsh, CI/CD, Copilot, Claude
Job PostingView all

Explore Jobs

Expand Your Job Search