# Application Support Engineer (Java)

> Unison Group · Singapore, Singapore · — · Posted 2026-09-21

**Workplace:** on_site

**Department:** Bharat

## Description

·     Primary responsible to handle all Incident tickets that are raised, till to closure

·     Troubleshoot, diagnose and resolve application-related issues reported by Users, ensuring timely resolution and minimal impact on productivity

·     To conduct root cause analysis of an issue and post-mortem to identify and prevent the same issue happening in future

·     Documenting the solutions and workarounds for future reference

·     Collaborate with various teams, including Developers and Infrastructure teams to resolve complex issues and implement long-term solutions

·     Assist in Operational tasks such as day-to-day support

·     Escalate critical and unresolved issues to higher level support teams and actively follow up on the progress until the problem is resolved

·     Report status and progress to technical lead/manager on a regular basis

·     Work with the technical lead to ensure the technical support provided to users/testers is within the agreed SLA (24 x 7)

·     Maintain a positive mindset to provide continuous support and the application of tools for monitoring, management and optimization of support

·     Participate in enhancement of the applications (including documentation and testing)

·     Present and provide regular updates on work matters to team and users / customers

·     Prepare/ update the relevant documentation related to the project / change appropriately

·     Support application testing investigations in testing environments

·     Support annual industry testing, testing regulatory requirements, VAPT (Vulnerability Assessment Pen Test), APT (Application Pen Test), APIPT (API Pen Test) in testing environments and production environments

·     Assist in deploying applications to testing and production environments

## Requirements

·     Technically with at least 5 years of hands-on experience in Java, Kotlin, J2EE/JEE, MySQL, Oracle, SQL/ PLSQL, Jasper report, APIs (RESTful and SOAP) and/or XML.

·     Understanding of Linux OS such as RHEL and Unix shell scripting.

·     Experience in AWS services (CloudWatch, KMS, S3, RDS, EKS, ec2, ALB, Api Gateway)

·     Knowledge of Cryptographic concepts like Encryption Keys and SSL certificates is a plus.

·     Understanding the micro services architecture & containers & orchestration services like Kubernetes and Docker

·     Cloud-based architecture and DevSecOps technologies are a plus.

·     Experience in Spring 4.x / 5.x / 6.x and Struts 2.x frameworks, Spring Boot and/or Spring Batch, Spring Integration would be added advantage.

·     Ability to work under pressure and to handle tight SLAs

## Apply

[Apply at Unison Group](https://apply.workable.com/unisongroup/j/89370F6152/apply)

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