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Senior Java Developer / Technical Architecture Specialist

LingaTech

Harrisburg, PA

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JOB DETAILS
SKILLS
Analysis Skills, Apache, Apache Struts, Application Integration, Application Programming Interface (API), Applications Security, Architectural Services, Authentication, Automation, BPEL 4 WS (Business Process Execution Language for Web Service), Best Practices, Business Development, Business Support, Centers for Disease Control and Prevention (CDC), Code Reviews, Contingency Plans, Continuous Deployment/Delivery, Continuous Integration, Data Collection, Database Administration, Database Extract Transform and Load (ETL), Database Middleware Software, Database Replication, Dependency Injection, DevOps, Emerging Technology, Enterprise Applications, Enterprise Data Integration, Enterprise Protection, Environmental Issues, Functional Testing, Git, Government, Hibernate, Identify Issues, Integration Testing, Internet Application, Inversion of Control (IoC), Java, Java Platform Enterprise Edition (Java EE/J2EE), JavaScript, JavaServer Pages (JSP), JavaServer Pages Standard Tag Library (JSTL), Jenkins, Large-Scale Systems, Log4j, Maven, Mentoring, Microsoft Windows Azure, Middleware, Migration Strategy, Model View Controller, MyBatis (fka iBATIS), Operational Support Systems (OSS), Operations Planning, Operations Processes, Oracle, Oracle 11i, Oracle Database, Oracle Fusion Middleware, Oracle JDeveloper, Oracle PL-SQL, Oracle SOA Suite, Oracle WebLogic Server, Performance Management, Problem Solving Skills, Production Support, Production Systems, Project Development, Project Estimates, REST (Representational State Transfer), Regulations, Relational Databases (RDBMS), Requirements Management, Risk Analysis, SOAP (Simple Object Access Protocol), Scalable System Development, Secure Coding, Security Compliance, Service-Oriented Architecture (fka Distributed Object Architecture), Software Administration, Software Development, Software Development Lifecycle (SDLC), Software Engineering, Source Code/Configuration Management (SCM), Spring Framework, Subversion, Sustainability, Technical Analysis, Technical Leadership, Technical Research, Technical Support, Technical Writing, Technical/Engineering Design, Test Plan/Schedule, Testing, Visual Studio Application Lifecycle Management (ALM) (fka Visual Studio Team System / VSTS ), Web Services, XML (EXtensible Markup Language), XSL-FO (Extensible Stylesheet Language - Formatting Object), XSLT (Extensible Stylesheet Language Translation), jQuery
LOCATION
Harrisburg, PA
POSTED
Today
Location: Harrisburg, PA
Position Type: Remote
Contract Length: long-term with extensions

Position Overview:
We are seeking a Senior Java Developer / Technical Architecture Specialist to support the modernization, enhancement, integration, and ongoing maintenance of enterprise-level Java applications supporting environmental protection and regulatory operations. This role will focus on modernizing legacy systems, designing secure and scalable integrations, supporting Oracle middleware technologies, and providing technical leadership across complex enterprise application initiatives.

Duties:
  • Lead modernization, enhancement, support, and maintenance efforts for enterprise Java applications and middleware technologies supporting mission-critical systems.
  • Analyze existing Java applications, integrations, frameworks, and infrastructure to identify upgrade, remediation, and modernization opportunities.
  • Develop and implement migration strategies to transition legacy applications to modern Java platforms and Spring-based architectures.
  • Design, develop, test, deploy, and maintain secure, scalable Java web applications supporting internal and external enterprise services.
  • Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, technical design, development, integration, testing, deployment, and production support.
  • Collaborate with architects, developers, database administrators, middleware engineers, infrastructure teams, and vendors to deliver secure and stable enterprise solutions.
  • Provide operational support for production systems by troubleshooting issues, resolving defects, implementing enhancements, and supporting deployments.
  • Design and maintain enterprise integrations utilizing Oracle SOA Suite, Oracle Fusion Middleware, SOAP/REST web services, XML/XSLT transformations, and service orchestration technologies.
  • Support synchronous and asynchronous integrations, event-driven processing, message routing, batch processing, API integrations, and enterprise data transformation solutions.
  • Maintain and support BPEL-based orchestration and enterprise integration services.
  • Evaluate and support Oracle database integration approaches including ETL, Change Data Capture (CDC), API integrations, data replication, and Oracle GoldenGate technologies.
  • Ensure applications and integrations comply with enterprise security standards, secure coding practices, authentication requirements, and architectural guidelines.
  • Coordinate technical design reviews, code reviews, testing activities, implementation planning, and deployment support.
  • Create and maintain technical documentation including specifications, interface documents, ERDs, test plans, implementation plans, and operational procedures.
  • Facilitate technical walkthroughs and stakeholder reviews to validate functionality, integration requirements, and business objectives.
  • Provide technical leadership, mentoring, and guidance to development teams while promoting modernization strategies and industry best practices.
  • Develop project estimates, risk assessments, contingency plans, status reporting, and technical recommendations.
  • Research emerging technologies, modernization frameworks, and integration solutions to improve enterprise application performance, scalability, and sustainability.

Required Skills:
  • 15+ years of experience in enterprise application development, support, and maintenance for large-scale enterprise systems.
  • 15+ years of experience developing and supporting Java-based enterprise applications in complex production environments.
  • 10+ years of experience designing, developing, or supporting web services, APIs, and service-oriented architecture (SOA) solutions.
  • 10+ years of experience working with relational databases, including SQL and Oracle PL/SQL development.
  • 10+ years of experience participating in multiple phases of the Systems Development Life Cycle (SDLC), including analysis, development, testing, deployment, and support.
  • 10+ years of experience analyzing complex technical requirements and developing secure, scalable, and maintainable enterprise application solutions.
  • 10+ years of experience troubleshooting and resolving complex application, database, and middleware issues in production environments.
  • 10+ years of hands-on experience with Java 1.6, Java 1.8, and modernization initiatives to newer Java platforms.
  • 10+ years of experience with Spring Framework and Spring Web MVC for enterprise application development.
  • 8+ years of experience developing applications using Java Server Pages (JSP), JSTL, Apache Commons, and JavaScript/jQuery technologies.
  • 8+ years of experience working with Struts Framework, iBatis/MyBatis, and Hibernate Validator.
  • 8+ years of experience developing and supporting SOAP and REST web services.
  • 8+ years of experience working with XML, XSLT, and XSL-FO technologies.
  • 8+ years of experience developing and supporting Oracle databases, including Oracle 11g through Oracle 19c.
  • 8+ years of experience supporting Oracle WebLogic Application Server environments.
  • 5+ years of experience using Oracle JDeveloper 11.1.2 and 12.2.1 for enterprise application development.
  • 5+ years of experience implementing enterprise logging solutions using Log4j and related logging frameworks.
  • 5+ years of experience using Git, Subversion, Maven, Jenkins, and VSTS/Azure DevOps for source control, build automation, and CI/CD processes.

Preferred Skills:
  • 5+ years of experience working with Oracle SOA Suite and Oracle Fusion Middleware in enterprise environments.
  • 5+ years of experience implementing enterprise integration patterns including synchronous and asynchronous services, data transformation, event-driven processing, batch processing, and message routing.
  • 3+ years of experience developing or supporting Business Process Execution Language (BPEL) or comparable orchestration tools.
  • 5+ years of experience with Oracle database integration strategies including CDC, ETL, API-based integration, and Oracle GoldenGate.
  • 3+ years of experience supporting enterprise shared services or cross-agency integrations.
  • 3+ years of experience supporting secure public-facing government applications.
  • 3+ years of experience working with Gson, SOAP libraries, XDocReport, iTextPDF, Apache POI, and related technologies.
  • 3+ years of experience working within Commonwealth or large enterprise governance environments.
  • Strong understanding of Model-View-Controller (MVC) architecture, Dependency Injection, and Inversion of Control (IoC) principles.

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