SL2578 - Application Support Engineer

FPT Asia Pacific Pte Ltd; Singapore; On-site; SGD 70,000 - 120,000; Full time

Job summary

FPT Asia Pacific Pte Ltd is seeking an experienced Application Support Engineer to provide Level 2 support for mission-critical business applications, ensuring availability, performance and stability across Windows, UNIX/Linux and cloud environments.

You will collaborate with Level 1, development and operations teams to troubleshoot issues, analyse MSSQL data with SQL, manage AWS services, and contribute to automation, upgrades and cloud migrations with a proactive approach.

Qualifications

• 2+ years in REST API support and incidents.
• 2+ years with JavaScript frameworks (React.js, Next.js, NestJS, Node.js).
• 3+ years with microservices and container tech.
• 2+ years in application or production support.
• Strong MSSQL experience with queries and troubleshooting.
• Hands-on AWS knowledge for EC2, ECS, S3, RDS, CloudWatch.
• Understanding of ITSM/ITIL practices.

Responsibilities

• Provide Level 2 support for business-critical applications with timely SLA resolution.
• Troubleshoot application, infrastructure, DB, and integration issues.
• Analyse MSSQL data with SQL queries and perform fixes as needed.
• Administer apps in AWS (EC2, ECS, S3, RDS, CloudWatch).
• Perform log analysis, monitoring, and Bash automation tasks.
• Collaborate with development and operations teams on fixes and enhancements.
• Support REST APIs, microservices, and container-based apps.
• Apply ITSM practices across incident, problem, and change management.
• Contribute to platform automation, upgrades, and cloud migrations.

Skills

REST API support

JavaScript frameworks

Microservices architectures

Application support

MSSQL querying

AWS cloud services

Shell scripting Bash

ITSM ITIL

Problem solving

Communication & stakeholder mgmt

Education

Bachelor's or Master's in Computer Science or IT

Tools

Node.js

MSSQL

AWS (EC2, ECS, S3, RDS, CloudWatch)

Job description

Role Overview

We are looking for an experienced Application Support Engineer to provide Level 2 (L2) support for critical business applications and ensure their availability, performance, and stability.

The role requires hands-on experience with Node.js, MSSQL, Windows/UNIX/Linux environments, AWS cloud services, and IT Service Management (ITSM). You will work closely with Level 1 support, development teams, operations teams, and other technology stakeholders to troubleshoot and resolve technical issues.

The role will also contribute to platform automation, technology upgrades, cloud migration, production support, and continuous improvement initiatives.

Key Responsibilities

• Provide Level 2 technical support for business-critical applications, handling escalated incidents from Level 1 support and ensuring timely resolution within defined SLAs.
• Investigate, troubleshoot, and resolve application, infrastructure, database, and integration-related issues.
• Use SQL queries to analyse and troubleshoot issues within MSSQL databases, including performing data fixes and optimisation where required.
• Administer and support applications running in AWS environments, including EC2, ECS, S3, RDS, and CloudWatch.
• Perform log analysis, system monitoring, and automation activities using shell scripting such as Bash.
• Configure, monitor, and troubleshoot AWS services used for application hosting, storage, databases, and system integrations.
• Collaborate with development and engineering teams to investigate issues requiring code changes, fixes, or application enhancements.
• Support REST API services, microservices, and container-based applications.
• Apply IT Service Management (ITSM) practices across incident, problem, and change management.
• Perform root cause analysis and recommend technical or operational improvements to prevent recurring incidents.
• Document support processes, operational procedures, troubleshooting steps, and technical solutions to support knowledge sharing.
• Support and provide guidance to Level 1 support teams where required.
• Participate in technology upgrade, platform automation, and cloud migration initiatives.
• Assess technical and operational risks associated with application and infrastructure changes.
• Participate in on-call rotations and handle urgent production support requests outside regular business hours when required.
• Escalate technical issues according to established processes and guidelines.

Requirements

• Minimum 2 years of experience supporting REST API services.
• Minimum 2 years of experience working with JavaScript frameworks and technologies such as React.js, Next.js, NestJS, or Node.js.
• Minimum 3 years of experience working with microservices architectures and container technologies.
• Minimum 2 years of application support or production support experience.
• Strong hands-on experience with MSSQL databases, including SQL queries and troubleshooting.
• Working experience with AWS cloud services such as EC2, ECS, S3, RDS, and CloudWatch.
• Good understanding of cloud infrastructure and hands-on experience with configuration, monitoring, and troubleshooting.
• Experience supporting Windows and/or UNIX/Linux environments.
• Experience with scripting and automation, preferably Bash or similar scripting languages.
• Knowledge of IT Service Management (ITSM) frameworks and practices, such as ITIL.
• Strong troubleshooting, problem-solving, and root cause analysis capabilities.
• Ability to understand application architecture, dependencies, and operational processes.
• Strong interpersonal, communication, and stakeholder management skills.
• Proactive mindset with the ability to recommend technical improvements and alternative solutions.

Education

• Bachelor's or Master's degree in Computer Science, Information Technology, or a related discipline is preferred.