Application Modernization Engineer

Application Modernization Engineer

Posted Today by Elegant Enterprise Wide Solutions

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Negotiable
Undetermined
Hybrid
Remote or Hybrid
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API Gateway Appdynamics Application Programming Interface (API) Data Integrity Elastic (ELK) Stack IBM Software Java (Programming Language) Mapping Software Microservices Middleware Secure Coding Software Coding Spring Boot Verification And Validation Vulnerability WebMethods

Summary: The Application Modernization Engineer role focuses on transforming legacy services into modern microservices, utilizing technologies such as Java and Spring Boot. The position requires extensive experience in service modernization, ensuring compatibility and reliability during migration processes. The engineer will also prepare documentation and support testing and validation efforts during government-led initiatives. This role can be performed remotely or in a hybrid setting.

Key Responsibilities:

  • Decompose legacy services and develop modern microservices.
  • Utilize Java, Spring Boot, REST APIs, and SOAP-to-REST modernization techniques.
  • Preserve interface compatibility, transaction reliability, and data integrity during migration.
  • Prepare modernization work packages, migration-wave evidence, rollback inputs, deployment artifacts, and validation documentation.
  • Support defect resolution during Government-led testing, integration validation, release readiness, and production verification.

Key Skills:

  • Experience with Java, Spring Boot, REST APIs, and SOAP-to-REST modernization.
  • Experience in preserving interface compatibility, transaction reliability, and data integrity.
  • Experience in preparing modernization work packages and validation documentation.
  • Experience with IBM webMethods ESB/BRE/BRMG services modernization.
  • Familiarity with OpenShift/ECP, RHEL, containers, API gateway onboarding, and secure coding practices.
  • Experience supporting federal modernization programs and high-volume transaction systems.

Salary (Rate): undetermined

City: undetermined

Country: undetermined

Working Arrangements: hybrid

IR35 Status: undetermined

Seniority Level: undetermined

Industry: IT

Detailed Description From Employer:
Duration: 1+ Year

Required Qualifications:
  • Experience decomposing legacy services and developing modern microservices.
  • Experience with Java, Spring Boot, REST APIs, SOAP-to-REST modernization, service mapping, interface mapping, and integration modernization.
  • Experience preserving interface compatibility, transaction reliability, and data integrity during migration.
  • Experience preparing modernization work packages, migration-wave evidence, rollback inputs, deployment artifacts, and validation documentation.
  • Experience supporting defect resolution during Government-led testing, integration validation, release readiness, and production verification.

Preferred Qualifications:
  • Experience modernizing IBM webMethods ESB/BRE/BRMG services to Java/OpenShift-aligned services.
  • Experience with OpenShift/ECP, RHEL, containers, API gateway onboarding support, AppDynamics, ELK, secure coding, dependency remediation, and vulnerability remediation.
  • Experience supporting federal modernization programs, high-volume transaction systems, or mission-critical middleware services.
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