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Java Developer

CognowizNew York, NY🇺🇸United StatesPosted Oct 21, 2026

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
New York, NY, United States
Posted
Yesterday
Stakeholder ManagementOracleSQLShellSpringHTMLApacheHibernateJavaPerlRESTJavaScriptCI/CDLinuxITIL

Job Description

Job Title: Java Developer – L3 Production Support
Location: New York City, NY (Onsite)
Experience: 10+ Years
Interview Process: Face-to-Face Interview (Mandatory) followed by Video Interview
Interested candidates with strong Java development and L3 production support experience are encouraged to apply.
Job Summary
We are seeking an experienced Java Developer – L3 Production Support professional with 10+ years of hands-on experience in Java/J2EE development and enterprise application support. The ideal candidate will have strong expertise in troubleshooting complex production issues, performing code fixes, managing production deployments, and supporting mission-critical enterprise applications.
The candidate should have a solid understanding of Java technologies, application servers, enterprise databases, Unix/Linux environments, and ITIL-based production support processes. This role requires close collaboration with business, operations, L2 support, and development teams to ensure application stability, availability, and performance.
Key Responsibilities
  • Perform production code fixes and enhancements across Java applications, Unix/Linux environments, and database platforms.
  • Provide L3 production support for mission-critical enterprise applications, ensuring timely incident resolution.
  • Troubleshoot complex application issues, conduct root cause analysis (RCA), and implement permanent corrective actions.
  • Analyze application logs, server logs, database queries, and system performance to identify and resolve production issues.
  • Collaborate with L1/L2 support teams, developers, infrastructure teams, and business stakeholders.
  • Participate in incident management, problem management, and change management activities in accordance with ITIL processes.
  • Support production releases, code deployments, emergency fixes, and post-deployment validation.
  • Develop, maintain, and enhance Java/J2EE applications, REST APIs, and related application components.
  • Support and troubleshoot applications deployed on Apache Tomcat, JBoss, IBM WebSphere, and Oracle WebLogic.
  • Work with enterprise databases, including DB2, Oracle, and Sybase, to investigate data-related issues and optimize SQL queries.
  • Use Unix/Linux commands and Shell/Perl scripts for troubleshooting, monitoring, and operational automation.
  • Ensure adherence to SDLC processes, change control procedures, production support standards, and documentation requirements.
  • Identify recurring incidents and recommend improvements to application stability, reliability, and performance.
Required Technical Skills
Java/J2EE Development
  • 10+ years of hands-on experience in Java/J2EE development.
  • Strong knowledge of REST APIs, Servlets, JSP, JDBC, Struts, Hibernate, and Spring Framework.
  • Working knowledge of JavaScript and HTML.
  • Experience debugging, modifying, and enhancing existing enterprise applications.
Production Support – L2/L3
  • Strong experience in L3 production support or advanced L2 support with the ability to handle L3 responsibilities.
  • Expertise in incident triaging, troubleshooting, debugging, and root cause analysis.
  • Experience supporting business-critical applications in a multi-tier enterprise environment.
  • Hands-on experience with production deployments, emergency fixes, and change implementation.
  • Familiarity with ITIL processes, including incident, problem, and change management.
Application Servers
  • Hands-on experience with one or more of the following:
    • Apache Tomcat
    • JBoss
    • IBM WebSphere
    • Oracle WebLogic.
Database Technologies
  • Experience working with enterprise databases such as:
    • DB2
    • Oracle
    • Sybase
  • Strong SQL skills and experience investigating database-related production issues.
Unix/Linux and Scripting
  • Good working knowledge of Unix/Linux operating systems.
  • Experience with Shell scripting and/or Perl scripting.
  • Ability to analyze logs, execute system commands, and automate routine support activities.
Additional Skills
  • Familiarity with CI/CD tools and deployment pipelines.
  • Understanding of end-to-end Software Development Life Cycle (SDLC).
  • Strong analytical, problem-solving, communication, and stakeholder management skills.

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