Dutech’s Job

Senior Java Developer (Java, SQL, Linux, Agile) - 15 years

Austin,TX

DatePosted : 8/4/2026 8:27:25 AM

JobNumber : DTS1017187788
JobType : Contract
Skills: Java, SQL, Linux, Enterprise Application Development, Application Support, SDLC, Agile, Scrum, Jira, Atlassian Suite, Database Development, Performance Tuning, Troubleshooting, Legacy Mainframe Modernization, Java Migration, Object-Oriented Programming, Team Collaboration, Technical Documentation.
Job Description

We are seeking an experienced Senior Java Developer to support the development, maintenance, and enhancement of large-scale enterprise applications. The ideal candidate will have extensive experience with Java, SQL databases, Linux environments, and enterprise application support. This role involves collaborating with cross-functional teams to develop high-quality solutions, troubleshoot complex issues, and participate in application modernization initiatives, including legacy mainframe migration to Java-based platforms.

Key Responsibilities

  • Design, develop, enhance, and maintain enterprise Java applications.
  • Support large-scale production applications and resolve complex technical issues.
  • Develop and optimize SQL queries, stored procedures, and database interactions.
  • Work in Linux environments to deploy, troubleshoot, and maintain applications.
  • Collaborate with business analysts, developers, QA teams, and stakeholders throughout the SDLC.
  • Participate in Agile ceremonies including sprint planning, stand-ups, reviews, and retrospectives.
  • Use Jira and other Atlassian tools to manage tasks, defects, and project activities.
  • Contribute to application modernization initiatives, including migration from legacy mainframe systems to Java/SQL platforms.
  • Perform code reviews and follow coding standards and best practices.
  • Create and maintain technical documentation.

Required Qualifications

  • 15+ years of hands-on Java development experience.
  • 10+ years of SQL database development and optimization experience.
  • 8+ years supporting and developing large enterprise applications in a team environment.
  • 5+ years of Linux experience.
  • Strong understanding of object-oriented programming, application architecture, and software development best practices.
  • Excellent troubleshooting, analytical, and communication skills.

Preferred Qualifications

  • Experience with the Atlassian tool suite, especially Jira.
  • Experience working in Agile/Scrum development environments.
  • Experience supporting State of Texas applications or the Texas Department of Public Safety.
  • Experience modernizing legacy mainframe applications to Java/SQL-based solutions.

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