Senior L2/L3 Application Support Engineer – Java, Spring Boot & AWS

Private Advertiser; Taguig; On-site; PHP 1,800,000 - 2,400,000; Full time

Job summary

Private Advertiser in Taguig City, Metro Manila is seeking a Senior L2/L3 Application Support Engineer to manage complex incidents and drive root-cause fixes. The role combines production support with hands-on backend work in Java, Spring Boot, and AWS, ensuring system stability and performance.

You will handle incident management, troubleshoot APIs and microservices, participate in code reviews, support deployments, and document solutions for cross-functional teams. Onsite work required.

Qualifications

• Bachelor's degree in a related field.
• 8+ years in technical support or related roles.
• Extensive L2/L3 application support experience.
• Backend development with Java/Spring Boot.
• AWS experience and cloud familiarity.
• Experience with incident management tools.
• Strong documentation and communication.
• Agile workflows and DevOps mindset.

Responsibilities

• Investigate and resolve complex L2/L3 incidents.
• Perform root-cause analysis for recurring issues.
• Troubleshoot backend services, APIs and microservices.
• Take ownership of tickets, ensure timely resolution.
• Identify recurring problems and implement fixes.
• Support production applications and deployments.
• Participate in code reviews and QA testing.
• Document fixes and verify before release.
• Monitor AWS infra and application performance.
• Coordinate post-deployment verification.
• Prepare technical docs and knowledge articles.
• Collaborate with teams to improve processes.
• Explore automation and AI-enabled solutions.

Skills

L2/L3 application support

Production incident management

Java

Spring Boot

AWS

RESTful APIs

Microservices

Troubleshooting

Root-cause analysis

Agile workflows

Education

Bachelor's degree in Computer Science / Software Engineering / IT

Tools

Jira

ServiceNow

Odoo

Job description

Senior L2/L3 Application Support Engineer – Java, Spring Boot & AWS

Location: Taguig City, Metro Manila
Employment Type: Full-time
Work Setup: Onsite

Job Overview

We are looking for an experienced Senior L2/L3 Application Support Engineer to handle complex application incidents, perform root-cause analysis, and implement technical fixes for enterprise applications.

This role combines advanced L2/L3 production support with hands‑on backend development using Java and Spring Boot. You will troubleshoot system and integration issues, support AWS infrastructure and application deployments, and collaborate with cross‑functional teams to maintain application stability and performance.

The ideal candidate has extensive experience in application support or software engineering, strong backend development skills, and the ability to take ownership of technical issues from investigation through resolution.

Key Responsibilities

L2/L3 Application Support and Incident Management

• Investigate and resolve complex application incidents escalated from L1/L2 support teams.
• Perform root‑cause analysis for recurring issues, system errors, production incidents, and integration failures.
• Troubleshoot backend services, APIs, microservices, and application performance issues.
• Take ownership of assigned tickets, ensuring timely resolution, escalation, and follow‑through.
• Identify recurring problems and recommend permanent fixes to improve system reliability.
• Support production applications and respond to changing operational priorities.

Backend Development and Technical Fixes

• Implement bug fixes, code changes, and minor feature enhancements using Java and Spring Boot or similar backend frameworks.
• Troubleshoot RESTful APIs, microservices, and system integrations.
• Participate in code reviews, QA testing, and technical validation.
• Ensure fixes are tested, documented, and verified before release.

Cloud Operations and Deployment Support

• Monitor AWS infrastructure and application performance to help maintain uptime and reliability.
• Assist with application deployments, release activities, and post‑deployment verification.
• Investigate cloud‑related application issues and coordinate with infrastructure teams when necessary.

Documentation and Continuous Improvement

• Maintain technical documentation, troubleshooting guides, and internal knowledge base articles.
• Communicate technical findings and resolutions to technical and non‑technical stakeholders.
• Collaborate with development, infrastructure, and business teams to improve support processes.
• Explore automation and AI‑enabled solutions to improve support efficiency.
• Handle sensitive HR and organizational data responsibly.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.
• At least 8 years of experience in technical support, application support, software engineering, or related technical roles.
• Strong experience in L2/L3 application support, production incident management, and complex troubleshooting.
• Hands‑on experience with Java, Spring Boot, or similar backend frameworks.
• Familiarity with RESTful APIs, microservices, and cloud environments, preferably AWS.
• Experience with ticketing and service management tools such as Jira, ServiceNow, or Odoo.
• Knowledge of Agile workflows and software development practices.
• Strong root‑cause analysis, debugging, and problem‑solving skills.
• Proven ability to manage escalated incidents and implement permanent technical fixes.
• Strong documentation, communication, and cross‑functional collaboration skills.
• Ability to manage changing priorities and maintain application stability in a production environment.

Nice‑to‑Have Qualifications

• Experience with SAP SuccessFactors or other Human Capital Management (HCM) platforms.
• Familiarity with event‑driven architecture and middleware integrations.
• Exposure to frontend frameworks such as React or SAP UI5.
• Experience integrating AI/ML APIs or automation tools.

Work Setup: Full-time, onsite in Taguig City, Metro Manila