Application Support Engineer

4 weeks ago

Singapore COMBUILDER PTE LTD Full time
Roles & Responsibilities

Job Summary:

We are seeking a skilled and proactive Application Support Engineer with strong Java expertise to join our IT team. The ideal candidate will be responsible for ensuring smooth operations of business-critical applications, identifying and resolving technical issues, and collaborating with development and infrastructure teams for long-term improvements.

Responsibilities:

  • Provide Level 1&2 support for Java-based applications in production and staging environments.
  • Investigate and troubleshoot incidents, bugs, performance issues, and outages.
  • Perform root cause analysis (RCA) and work with development teams to implement permanent fixes.
  • Monitor application health using tools such as Splunk, AppDynamics, New Relic, or similar.
  • Work with SQL databases to analyze data, generate reports, and validate fixes.
  • Support deployment activities, perform post-deployment validation, and ensure rollback readiness.
  • Handle daily incident tickets and service requests as per SLAs.
  • Collaborate with QA, DevOps, and Infrastructure teams to improve system stability and deployment efficiency.
  • Maintain accurate documentation, knowledge base articles, and operational runbooks.
  • Work in 24 by 7 on-call and 12 hours rotation shift.

Requirements:

  • Bachelor's degree in Computer Science, Information Technology, Engineering or related field.
  • 5 to 7 years in application support or production support roles with a focus on Java applications.
  • Must be able to commit working in 24 by 7 on-call and 12 hours rotation shift.
  • Strong programming and debugging skills in Java and familiarity with Java EE and Spring Boot Framework.
  • Good understanding of REST/SOAP APIs, JSON, and XML.
  • Proficiency in SQL programming and hands-on experience with relational databases (e.g., MySQL, PostgreSQL, Oracle).
  • Proficiency in Linux/Unix environments and shell scripting.
  • Familiarity with tools such as JIRA, ServiceNow, Git, and CI/CD pipelines.
  • Exposure to application monitoring/logging tools (e.g., Splunk, ELK, Dynatrace).
  • Knowledge of ticketing systems and ITIL practices is an advantage.
Tell employers what skills you have

JSON
Oracle
MySQL
Root Cause Analysis
Scripting
Information Technology
Appdynamics
Staging
Ticketing Systems
SQL
JIRA
Application Support
Dynatrace
ITIL
Java
Debugging

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