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Java Mainframe Lead Developer

NTT DATA

Salary not specified
Oct 24, 2025
Irving, TX, US
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NTT DATA's Client is seeking a Java Mainframe Lead Developer to lead a team of developers in designing, coding, testing, and deploying Java applications that interact with mainframe systems.

Requirements

  • 3+ Years of strong experience in Java/J2EE, Spring, Oracle DB, Hibernate with expertise in design, development, performance tuning, microservice, troubleshooting and deployment
  • 2+ Years of good understanding of ECS, Kubernetes, and Openshift.
  • Experience in Mainframe & Exstream/MessagePoint tool
  • Should be well versed with designing and architecting solutions with latest tech advancements.
  • Experience in building UI components for agent applications.
  • Expertise in Elastic Search, NoSQL databases, and Caching solutions
  • Expertise in designing and optimizing the software solutions for performance and stability.
  • Expertise in Authentication, Authorization, and Security.
  • Strong experience in UI technologies like Java Script, Angular, with expertise in design, development, performance tuning, troubleshooting and deployment.
  • SME for UI architecture patterns - Micro Frontend, NX.
  • Subject matter expert on JavaScript – till ES2015 and better to have understanding on ECMA future proposals

Responsibilities

  • Design and implement robust and scalable solutions for integrating Java applications with mainframe technologies (e.g., COBOL, JCL, DB2, CICS, VSAM).
  • Write high-quality Java code, ensuring adherence to coding standards, best practices, and security protocols.
  • Develop and maintain interfaces and connectors between Java applications and mainframe systems, utilizing technologies like MQ, Connect Direct, or custom APIs.
  • Provide expert-level support for complex technical issues related to Java-mainframe interactions, including performance tuning and defect resolution.
  • Work closely with business analysts, project managers, and other technical teams to understand requirements and deliver effective solutions.
  • Mentor junior developers, provide technical guidance, and conduct code reviews to ensure quality and knowledge transfer.

Other

  • Overall 5+ years of experience.
  • Added advantage to have experience in Figma.
  • Passion for technology and self- starter