Java Software Engineer - Modernize Legacy Apps for Travel

American Express Global Business Travel; Manila; On-site; PHP 480,000 - 750,000; Full time

Job summary

Amex GBT Manila is seeking a JAVA Software Developer to design, develop, deploy, and maintain applications that support travel services and business operations.

You will migrate legacy systems to modern Java environments, integrate with vendor APIs, and ensure quality through testing and documentation. The role offers collaborative, inclusive culture and opportunities to work across teams in a global travel technology environment.

Qualifications

• Bachelor’s or Master’s Degree in Computer Science, Systems Engineering, or a related field.
• Proven experience with Java in enterprise environments and API integrations.
• Familiarity with modernizing legacy systems and working with vendor APIs.

Responsibilities

• Programming & Support: Perform complex programming tasks for legacy system modernization into a Java environment.
• System Migration: Migrate legacy applications to updated platforms, ensuring alignment with industry best practices and maximizing system uptime.
• Troubleshooting & Optimization: Diagnose, isolate, and resolve software issues, monitor system capacity, and ensure applications’ connectivity to vendor APIs.
• Documentation & Standards: Create software documentation and architecture diagrams. Adhere to development standards and security requirements.

Skills

Java Framework

jQuery

AJAX

REST APIs

SOAP APIs

React.js

Git

Education

Bachelor's or Master's in Computer Science or related field

Tools

Visual Studio 2019/2022

SQL Server

Oracle PL/SQL

PostgreSQL

React.js

GitHub Copilot

Claude Code

Postman

SOAP UI

Job description

Amex GBT Manila is seeking a JAVA Software Developer to design, develop, deploy, and maintain applications that support travel services and business operations.

You will migrate legacy systems to modern Java environments, integrate with vendor APIs, and ensure quality through testing and documentation. The role offers collaborative, inclusive culture and opportunities to work across teams in a global travel technology environment.