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Sr Java J2Ee Developer Jobs in Halethorpe, MD (NOW HIRING)

Senior Java Developer

Laurel, MD ยท On-site

$58.75 - $74.75/hr

Senior Java DeveloperIntroduction The Senior Java Developer will be responsible for designing, developing, testing, troubleshooting, and optimizing enterprise web applications. They will also mentor ...

JAVA Developer

Baltimore, MD ยท On-site

$50.75 - $65.50/hr

Dynamic client in Baltimore, MD is looking for a solid Java developer. Seeking someone strong in ... Java/J2EE, OOP, scripting, COTS Additional Information Why Veredus? Candidates work with a ...

Java Developer

Columbia, MD

$50.50 - $65.50/hr

Java developer Location: Columbia MD Duration: 12 Months Looking for consultants only on W2 ... Experience in Java/J2EE, Spring/ Spring MVC, WebLogic, Hibernate, jQuery, JavaScript, SOAP web ...

Urgent Need Sr AEM JAVA Developer

Owings Mills, MD ยท On-site

$55 - $70/hr

Position: Sr. AEM / Java Developer Location: Owings Mills, MD Duration: 6 + months 1. Adobe ... JAVA/J2EE - Senior level - 7+ Years 4. Excellent verbal / written communication skills with the ...

Senior Java Developer

Baltimore, MD ยท On-site +1

$57 - $72.50/hr

I have an opening for a Senior Java Developer with a strong background in Life Sciences (must have).Position is an ongoing contract for 6 months+, preferably EST candidates. The client said they can ...

Senior Java Developer

Laurel, MD ยท On-site

$56.75 - $72.50/hr

Senior Java Developer Your Main Objective: Develop analytics using Java MapReduce and Python in the Linux (Red Hat version 7+) environment. Develop prototypes, answering new questions, as well as ...

JAVA Developer

Baltimore, MD

$50.75 - $65.50/hr

Bachelor's Degree in Computer Science, Information Technology/Systems, Engineering or related discipline and 8 years of relevant work experience as a Java Developer in a Java/J2EE development ...

Applications Developer (Java) (local to MD) Location: Baltimore, MD (Hybrid - 3 days onsite, 2 days ... Virtual Java/J2EE, Spring (Hibernate/JPA), Angular, REST/SOAP Web Services, PostgreSQL/SQL, MongoDB ...

Applications Developer (Java) (local to MD) Location: Baltimore, MD (Hybrid - 3 days onsite, 2 days ... Virtual Java/J2EE, Spring (Hibernate/JPA), Angular, REST/SOAP Web Services, PostgreSQL/SQL, MongoDB ...

Showing results 21-40

Sr Java J2Ee Developer information

See Halethorpe, MD salary details

$10

$61

$84

How much do sr java j2ee developer jobs pay per hour?

As of Sep 5, 2026, the average hourly pay for sr java j2ee developer in Halethorpe, MD is $61.36, according to ZipRecruiter salary data. Most workers in this role earn between $53.75 and $68.56 per hour, depending on experience, location, and employer.

What is a Sr Java J2EE developer?

Sr Java J2EE Developers are experienced software engineers who specialize in building, deploying, and maintaining enterprise-level applications using Java and the Java 2 Platform, Enterprise Edition (J2EE). They work with technologies like Servlets, JSP, EJB, and frameworks such as Spring and Hibernate to develop scalable, secure, and reliable software solutions. Senior developers often lead teams, design system architecture, and ensure best coding practices are followed throughout the software development lifecycle.

What are some common challenges Sr Java J2EE developers face when working on large-scale enterprise applications?

Sr Java J2EE Developers often encounter challenges such as managing application scalability, ensuring code maintainability, and integrating with legacy systems. Large-scale projects typically involve coordinating with cross-functional teams, which requires effective communication and collaboration skills. Additionally, staying updated with evolving frameworks and best practices is crucial to address performance bottlenecks and maintain security. Proactively addressing these challenges is essential for delivering robust, high-quality enterprise solutions.

What are the key skills and qualifications needed to thrive as a Sr Java J2EE developer, and why are they important?

To thrive as a Sr Java J2EE Developer, you need advanced proficiency in Java programming, expertise in J2EE frameworks, and a bachelor's degree in computer science or a related field. Familiarity with tools like Spring, Hibernate, Maven, RESTful APIs, and version control systems such as Git is typically required. Strong problem-solving abilities, effective communication, and leadership skills make a developer stand out in this senior role. These competencies are crucial for designing robust enterprise applications, collaborating with cross-functional teams, and leading projects to successful completion.

What is the difference between Sr Java J2Ee Developer vs Java Software Engineer?

AspectSr Java J2Ee DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentDevelops enterprise applications, often in large teamsDesigns and develops Java applications, may work in teams or individually
Industry UsageCommon in finance, healthcare, and enterprise sectorsUsed across various industries including tech, finance, and startups
Search & Comparison IntentOften compared for seniority, responsibilities, and skillsCompared for roles, skills, and career progression

While both roles involve Java development, Sr Java J2Ee Developers typically focus on enterprise-level applications with more experience and responsibilities, whereas Java Software Engineers may work on a broader range of Java projects, including both enterprise and consumer applications.

What are popular job titles related to Sr Java J2Ee Developer jobs in Halethorpe, MD?

For Sr Java J2Ee Developer jobs in Halethorpe, MD, the most frequently searched job titles are:

What cities near Halethorpe, MD are hiring for Sr Java J2Ee Developer jobs?

Cities near Halethorpe, MD with the most Sr Java J2Ee Developer job openings:

Infographic showing various Sr Java J2Ee Developer job openings in Halethorpe, MD as of August 2026, with employment types broken down into 53% Full Time, and 47% Contract. Highlights an 90% In-person, and 10% Hybrid job distribution, with an average salary of $127,637 per year, or $61.4 per hour.

Senior Java Developer / Java Programmer

R3 Management Services

Lanham, MD โ€ข On-site

$57 - $72.75/hr

Full-time

Posted 23 days ago


Job description

Senior Java Developer / Java Programmer

Program: IRS Master File Research and Analysis (MFRA)

Place of Performance: Hybrid—approximately 25% at the New Carrollton Federal Building, 5000 Ellin Road, Lanham, MD 20706, and 75% at the contractor’s location. The employee must be able to report to the Government site within two hours of notice.

Position Summary

The Senior Java Developer will provide full-lifecycle software development, operations and maintenance, integration, testing, deployment, and production support for IRS Master File Research and Analysis applications. The individual will develop and enhance secure, scalable, high-performance Java applications supporting Filing Season, Mid-Year, Tax-Year, legislative, and mandated system changes.

The position requires experience supporting Java applications that integrate with IRS legacy IBM mainframe environments, including mainframe batch processes, data services, and interfaces involving COBOL, CICS, DB2, Assembly Language Coding, JCL, and AEV JCL.

The Senior Java Developer will work as part of an integrated IRS-led technical team and collaborate with Java developers, COBOL and mainframe developers, business analysts, database specialists, DevOps engineers, security personnel, and Government stakeholders.

Essential Duties and Responsibilities

  • Analyze business requirements, work requests, system specifications, and technical documentation.
  • Design, develop, code, test, integrate, deploy, and maintain Java and Java Enterprise Edition applications.
  • Develop and maintain RESTful web services and application programming interfaces using JAX-RS or comparable technologies.
  • Apply object-oriented programming principles, Java design patterns, Spring Framework, Hibernate, and modern web-development technologies.
  • Develop user-interface components using JavaServer Faces, PrimeFaces, React, or comparable frameworks.
  • Design and build scalable, secure, reliable, and high-performance applications.
  • Deploy and support Java applications using Red Hat JBoss Enterprise Application Platform 7.2.6 or newer.
  • Develop, maintain, and troubleshoot Java applications that interface with IBM mainframe systems, COBOL/CICS/DB2 applications, Assembly Language Coding components, batch-processing environments, and IRS shared data services.
  • Analyze and support mainframe batch jobs, JCL and AEV JCL procedures, job outputs, datasets, interface files, system logs, job failures, and application integration issues.
  • Use IBM mainframe and development tools such as IBM Suite, File Manager, IBM Debugger, Eclipse/RDz, and Endevor to support application development, testing, troubleshooting, configuration management, and deployment activities.
  • Coordinate with COBOL, CICS, DB2, Assembly Language Coding, database, and infrastructure specialists to resolve interoperability and integration problems between Java and legacy mainframe applications.
  • Investigate mainframe interface failures, batch-processing problems, data-transfer issues, job abends, database errors, and production defects affecting Java applications.
  • Support Final Integration Testing readiness, defect investigation, code corrections, production implementation, and post-deployment monitoring for Java and mainframe-integrated applications.
  • Integrate applications with IRS enterprise systems, shared services, databases, infrastructure, and external interfaces.
  • Develop and maintain solutions using Oracle, PL/SQL, DB2, XML, HTML, and related technologies.
  • Perform unit, functional, automated, integration, regression, performance, load, and security testing using JUnit or equivalent tools.
  • Investigate application incidents, defects, and ServiceNow problem tickets, including high-priority P1 and P2 issues.
  • Troubleshoot application, web-service, database, mainframe-integration, batch-processing, and production-performance problems and implement corrective solutions.
  • Support code builds, configuration management, and deployment activities using Jenkins/Hudson, Maven, ANT, GitHub, and Endevor.
  • Use Linux RHEL 8.0 and Linux shell scripts to support application development and operations.
  • Apply secure-development practices and support compliance with FISMA, Section 508, IRS security requirements, and applicable lifecycle standards.
  • Develop and maintain required technical documentation, including design specifications, test plans, deployment plans, programming requirements, operating instructions, system manuals, mainframe-interface documentation, and knowledge articles.
  • Participate in Agile Scrum activities, including planning, development, testing, demonstrations, deployments, retrospectives, and Change Control Board meetings.
  • Conduct technical and architectural reviews to verify solution feasibility, quality, security, interoperability, and alignment with program requirements.
  • Maintain accurate code, configuration, testing, and lifecycle artifacts in designated repositories.
  • Provide technical guidance, knowledge transfer, coaching, and mentoring to team members and IRS personnel.
  • Explain complex Java, mainframe, database, and integration matters to nontechnical stakeholders and prepare presentations or briefings for Government leadership.
  • Support production implementations and post-deployment monitoring to ensure system stability and timely resolution of issues.

Minimum Qualifications

  • Bachelor’s degree in Computer Science, Software Engineering, Information Technology, Information Systems, or a related technical field.
  • At least eight years of professional Java development experience, including application design, coding, testing, integration, deployment, and maintenance.
  • Hands-on experience supporting Java applications that integrate with IBM mainframe systems, legacy applications, batch-processing environments, or mainframe-hosted data services.
  • Experience with IBM mainframe tools and technologies such as JCL, AEV JCL, File Manager, IBM Debugger, Eclipse/RDz, Endevor, or comparable technologies.
  • Experience integrating or troubleshooting Java applications and interfaces involving COBOL, CICS, DB2, Assembly Language Coding, batch jobs, mainframe datasets, or related legacy components.
  • Strong experience with object-oriented programming, Java design patterns, Spring Framework, Hibernate, and web technologies.
  • Demonstrated experience designing and developing scalable, high-performance enterprise applications.
  • Experience with Java/Java EE, JAX-RS, JUnit, JBoss EAP, Maven, ANT, Jenkins/Hudson, GitHub, and Linux.
  • Experience developing or integrating RESTful web services and shared APIs.
  • Experience with Oracle, PL/SQL, DB2, or comparable relational database technologies.
  • Experience troubleshooting production applications and resolving software defects, mainframe-integration issues, batch-processing failures, and performance problems.
  • Experience working in Agile software-development environments.
  • Strong written and verbal communication skills.
  • Ability to work effectively with multidisciplinary Java, mainframe, database, DevOps, security, and Government teams.
  • Must hold an active IRS Minimum Background Investigation or a qualifying federal background investigation that satisfies the Government’s requirement at the time of proposal submission.
  • Must maintain the required investigation and staff-like access eligibility throughout employment.
  • Must be a U.S. citizen.

Preferred Qualifications

  • Current Java professional certification.
  • Experience supporting IRS or U.S. Department of the Treasury systems.
  • Knowledge of IRS Master File systems, particularly the Business Master File or Individual Master File.
  • Familiarity with CFOL command codes and federal tax-processing applications.
  • Experience supporting IBM mainframe applications or environments involving COBOL, CICS, DB2, Assembly Language Coding, JCL, AEV JCL, VSAM, panels, copybooks, or skeleton procedures.
  • Experience troubleshooting mainframe batch failures, job abends, data-interface problems, DB2 issues, and Java-to-mainframe integration defects.
  • Experience supporting Final Integration Testing, production deployments, and post-implementation operations for mainframe-integrated applications.
  • Experience with IBM Engineering Lifecycle Management tools, including DOORS Next and Engineering Test Management.
  • Experience with Jira, Eclipse/RDz, File Manager, IBM Debugger, AppScan, AppInternals, JConsole, VisualJC, or Endevor.
  • Understanding of OneSDLC/ELC lifecycle processes, IRM 2.5 requirements, ServiceNow Change processes, Endevor transmittal processes, and federal application-security standards.

Work Requirements

  • Hybrid performance with regular availability to work at the New Carrollton Federal Building.
  • Must be able to report to the Government site within two hours of notification.
  • No reimbursable travel is anticipated under the contract.
  • Employment is contingent upon contract award, Government approval, verification of qualifications, and continued satisfaction of security and suitability requirements.