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Weekend Federal Java Developer Jobs in Maryland (NOW HIRING)

Infojini Inc

Java Developer

Bethesda, MD · On-site

$54.50 - $70.75/hr

... state and federal agencies such as State of North Carolina, State of South Carolina, State of ... Java Developer Location: Bethesda, MD Duration : Full Time Client: Direct Client Mode of interview:

Comtech, LLC

Java Developer

Calverton, MD

$52.75 - $68/hr

... Level 3" Java Developer to help us build an Internet-facing citizen engagement system and a SOA ... Experience in software development for federal government * Database Design and Tuning * Experience ...

Infojini Inc

Java Developer

Bethesda, MD · On-site

$54.50 - $70.75/hr

... state and federal agencies such as State of North Carolina, State of South Carolina, State of ... We are looking for Mid-Level Java Developer in NIH Bethesda, MD for Full Time position. Please send ...

Infojini Inc

Java Developer

Owings Mills, MD · On-site

$49 - $63.50/hr

... state and federal agencies such as State of North Carolina, State of South Carolina, State of ... Java Developer Location: Owings Mills, MD Duration : Full Time Client: Direct Client Authorized to ...

Comtech, LLC

Java Developer

Calverton, MD

$52.75 - $68/hr

... Level 3" Java Developer to help us build an Internet-facing citizen engagement system and a SOA ... Experience in software development for federal government Database Design and Tuning Experience ...

Salient Federal Solutions, Inc.

Java Developer

Rockville, MD · On-site

$52 - $67.25/hr

We are purpose-built for IT transformation supporting federal civilian, defense, homeland, and intelligence agencies, as well as Fortune 1000 companies. Salient CRGT seeks a Java Developer for our ...

Salient Federal Solutions, Inc.

Java Developer

Rockville, MD · On-site

$52 - $67.25/hr

We are purpose-built for IT transformation supporting federal civilian, defense, homeland, and intelligence agencies, as well as Fortune 1000 companies. Salient CRGT seeks a Java Developer for our ...

Business Integra

Java Developer

Greenbelt, MD · On-site

$51.50 - $66.50/hr

Application Developer III SUMMARY: Develops and maintains internal and external JAVA web based ... or weekend • Provide Level II customer support via phone support, Parature customer service ...

C T C Group

Back-End Java Developer

Annapolis Junction, MD · On-site

$140K - $170K/yr

Java Developer CTC Group is seeking a Java Developer, to join a group of high-performing developers ... Federal government, and Mission Operations. CTC Group provides a comprehensive benefits package ...

Infojini Inc

Java Developer

Owings Mills, MD · On-site

$49 - $63.50/hr

... state and federal agencies such as State of North Carolina, State of South Carolina, State of ... Java Developer Location: Owings Mills, MD Duration : Full Time Client: Direct Client JOB PURPOSE ...

Belay Technologies

Java Developer

Hanover, MD · On-site

$170K - $191K/yr

Mentor junior engineers Critical Skills/Experience: * 3+ years Java (modern) and Spring/Spring Boot ... Several factors influence final salary including, but not limited to, geographic location, Federal ...

ASM Research

Java Developer

Aberdeen Proving Ground, MD · On-site

$54.50 - $70.50/hr

Responsible for design and development of Java code for a large-scale Federal IT Program. * ... programming or web development activities. * Active Final Secret Security Clearance Other Job ...

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Weekend Federal Java Developer information

What is the difference between Weekend Federal Java Developer vs Part-Time Java Developer?

AspectWeekend Federal Java DeveloperPart-Time Java Developer
CredentialsTypically requires Java certification and federal clearanceUsually requires Java skills, certifications vary
Work EnvironmentFederal agencies, government projects, often on-sitePrivate sector, various industries, on-site or remote
Employer & Industry UsageFederal government, defense, public sectorTech companies, startups, corporate clients
Search & Comparison IntentUnderstanding federal project roles, security clearancePart-time work options, flexible schedules

The Weekend Federal Java Developer typically works on government projects requiring security clearances and federal credentials, often in federal agencies or defense sectors. In contrast, a Part-Time Java Developer may work across various industries with more flexible schedules and fewer security requirements. Both roles involve Java programming but differ mainly in work environment, credentials, and project scope.

What are popular job titles related to Weekend Federal Java Developer jobs in Maryland? For Weekend Federal Java Developer jobs in Maryland, the most frequently searched job titles are:
What job categories do people searching Weekend Federal Java Developer jobs in Maryland look for? The top searched job categories for Weekend Federal Java Developer jobs in Maryland are:
What cities in Maryland are hiring for Weekend Federal Java Developer jobs? Cities in Maryland with the most Weekend Federal Java Developer job openings:
Weekend Federal Java Developer jobs near you
Infographic showing various Weekend Federal Java Developer job openings in Maryland as of June 2026, with employment types broken down into 2% As Needed, 50% Full Time, 47% Part Time, and 1% Contract. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution.

Senior Java Developer

The Case Engineering Group LLC

New Carrollton, MD • On-site

$120K - $140K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Job description:

Software Developer (Java, SQL)
Location: Hybrid - New Carrollton, MD (Lanham)
Position Type: Full-Time
Reports To: Technical Program Manager
About The C.A.S.E. Engineering Group
The C.A.S.E. Engineering Group is an Information Technology (IT) engineering firm that specializes in providing cybersecurity advisory services, modernizing IT architectures, developing and implementing IT strategic plans, and designing and engineering innovative systems, software, and applications. C.A.S.E. stands for Cybersecurity, Architecture, Strategy, and Engineering, which reflects both our core expertise and our belief that developing innovative solutions in unique environments requires a balanced approach. While C.A.S.E. tailors its solutions on a case-by-case basis to address the specific challenges organizations face, it also leverages industry best practices to ensure efficiency, security, and long-term success.
At C.A.S.E., we are always on the lookout for exceptional talent that can support our vision of delivering cutting-edge solutions, driving innovation, and solving complex challenges in mission-critical environments. We seek professionals who are not only technically proficient but also adaptable, analytical, and dedicated to excellence—ensuring that we continue to provide our clients with the best expertise available.
Position Overview
This is a full-time, hybrid role requiring availability during normal business hours. Personnel must have reasonable access to the government site in Lanham, MD and be able to travel there within two hours’ notice. Candidates must hold an active federal Public Trust or MBI clearance to be considered. The Senior Java Developer will be responsible for designing, developing, testing, and maintaining enterprise applications in support of a federal tax processing and master file research environment. This role requires deep expertise in Java and Java Enterprise Edition technologies, object-oriented design, and the frameworks and tools used to build scalable, high-performance, secure applications. The developer will collaborate with cross-functional teams to implement enhancements, resolve issues, and ensure that all software changes meet federal security and quality standards before deployment.
This is a full-time, hybrid role requiring availability during normal business hours, with occasional night and weekend work as needed based on project demands. Personnel must have reasonable access to the government site in Lanham, MD and be able to travel there within two hours’ notice. The Senior Java Developer reports to the Technical Program Manager and works closely with development, testing, and operations teams to ensure high-quality software development and system integration.
Key Responsibilities
  • Design, develop, test, and maintain enterprise applications using Java and Java Enterprise Edition (EE) technologies
  • Apply object-oriented programming principles, Java Design Patterns, and frameworks such as Spring and Hibernate
  • Build and consume web services using Jakarta RESTful Web Services (JAX-RS)
  • Develop responsive user interfaces using Java Server Faces / PrimeFaces or REACT
  • Deploy and manage applications on Red Hat JBoss Enterprise Application Platform (EAP) 7.2.6 or newer
  • Develop and execute unit tests using JUnit or comparable testing frameworks
  • Build, automate, and manage code using Jenkins/Hudson, Apache Ant, Maven, and GitHub
  • Perform source code analysis with AppScan and application monitoring and tuning withAppInternals, JConsole, and VisualVM
  • Write and maintain Linux shell scripts in a RHEL 8 environment
  • Review and analyze detailed software requirements and document coding changes for enhancements
  • Perform peer reviews, debugging, and performance tuning to ensure defect-free production deployments
  • Produce Enterprise Life Cycle (ELC) documentation and utilize the IBM ELM Tool Suites, including DOORS Next, Jira, and Endevor
  • Support Agile development practices and collaborate with stakeholders to define and implement technical solutions
Qualifications:
Education:
  • Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related field (or equivalent experience)
Experience:
  • At least 8 years of experience in Java development, including design, coding, and testing
  • Strong expertise in object-oriented programming, Spring Framework, Hibernate, and web technologies
  • Experience designing and building scalable, high-performance applications
Technical Expertise:
  • Java and Java Enterprise Edition (EE) 6 technologies
  • Jakarta RESTful Web Services (JAX-RS) and Java Design Patterns
  • JUnit or other testing frameworks
  • Red Hat JBoss Enterprise Application Platform (EAP) 7.2.6 or newer
  • Java Server Faces / PrimeFaces or REACT for GUI development
  • Eclipse, Jenkins/Hudson, Another Neat Tool (ANT), Maven, and GitHub
  • AppScan, AppInternals, JConsole, and VisualVM
  • LINUX RHEL 8.0 and Linux shell scripting
  • IBM Suite, File Manager, Job Control Language (JCL), AEV JCL, and IBM Debugger
  • Endevor, Jira, and the IBM Engineering Lifecycle Management (ELM) Tool Suites (e.g., DOORS Next)
Clearance:
  • Must possess and maintain an active federal Public Trust / Minimum Background Investigation (MBI) clearance at the time of application; 
  • U.S. work authorization required.
Why Join Us?
  • Work with mission-critical systems that directly support federal tax processing operations
  • Build scalable, modern applications on high-impact, high-visibility systems
  • Be part of a growing company that values innovation, technical excellence, and problem-solving
  • Hybrid role offering flexibility and work-life balance
  • Opportunities for professional growth and advancement