Java Application Support Engineer

American Express Global Business Travel; Bengaluru; On-site; INR 1,200,000 - 1,800,000; Full time

Benefits offered by this job

Flexible benefits

Travel perks

Learning platform access

Job summary

American Express Global Business Travel is seeking an experienced Engineer I - Java to provide L2/L3 application support for Java-based back-office systems in Bengaluru. You will monitor health, troubleshoot incidents, optimize PostgreSQL, and collaborate on deployments within a microservices environment.

The role requires strong Java 8+ skills, Spring Boot expertise, and hands-on AWS ROSA/EC2 experience. You’ll participate in on-call coverage and help drive performance improvements while

Qualifications

• Bachelor’s degree in technology with minimum 5 years of experience in Java application support or development.
• Strong proficiency in Java 8+ and JVM internals.
• Solid experience with Spring Boot framework and Spring ecosystem.
• Hands-on PostgreSQL administration, query optimization, and troubleshooting.
• Working knowledge of AWS cloud services, particularly EC2 and ROSA (Red Hat OpenShift Service on AWS).
• Understanding of microservices architecture and distributed systems troubleshooting.
• Proven experience in application support, production incident management, and system monitoring.
• Strong analytical and problem-solving skills with attention to detail.
• Experience with log analysis and debugging techniques and Knowledge of Linux/Unix systems administration.

Responsibilities

• Provide L2/L3 application support for Java-based Amex GBT mid and back office systems.
• Monitor system health, performance metrics, and proactively identify potential issues.
• Troubleshoot and resolve production incidents, bugs, and performance bottlenecks.
• Perform root cause analysis and implement permanent fixes for recurring issues.
• Maintain system documentation, runbooks, and knowledge base articles.
• Monitor applications deployed on AWS ROSA and EC2 instances.
• Manage PostgreSQL database performance, queries, and maintenance tasks.
• Support microservices architecture and inter-service communication troubleshooting.
• Coordinate with development teams for application deployments and releases.
• Participate in on-call rotation and provide 24/7 support coverage.
• Implement bug fixes and minor enhancements using Java and Spring Boot.
• Develop monitoring scripts, automation tools, and support utilities.
• Collaborate with development teams on system improvements and optimization.
• Support testing activities and validate fixes in various environments.
• Assist in capacity planning and performance tuning initiatives.

Skills

Java 8+

Spring Boot

PostgreSQL

AWS ROSA

Docker

Kubernetes/OpenShift

CI/CD

Linux/Unix

Incident management

Monitoring tools

RESTful APIs

Kafka/RabbitMQ

Shell/Python scripting

Git/GitLab/GitHub

Education

Bachelor's degree in technology

Tools

Prometheus

Grafana

ELK stack

Splunk

Git

Maven

Gradle

Jenkins

Job description

Engineer I - Java Amex GBT is a place where colleagues find inspiration in travel as a force for good and - through their work - can make an impact on our industry. We're here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued.

What You'll do

• Provide L2/L3 application support for Java-based Amex GBT mid and back office systems.
• Monitor system health, performance metrics, and proactively identify potential issues.
• Troubleshoot and resolve production incidents, bugs, and performance bottlenecks.
• Perform root cause analysis and implement permanent fixes for recurring issues.
• Maintain system documentation, runbooks, and knowledge base articles.
• Monitor applications deployed on AWS ROSA (Red Hat OpenShift Service on AWS) and EC2 instances.
• Manage and optimize PostgreSQL database performance, queries, and maintenance tasks.
• Support microservices architecture and inter-service communication troubleshooting.
• Coordinate with development teams for application deployments and releases.
• Participate in on-call rotation and provide 24/7 support coverage.
• Implement bug fixes and minor enhancements using Java and Spring Boot.
• Develop monitoring scripts, automation tools, and support utilities.
• Collaborate with development teams on system improvements and optimization.
• Support testing activities and validate fixes in various environments.
• Assist in capacity planning and performance tuning initiatives.

What We're looking for

• Bachelor’s degree in technology with minimum 5 years of experience in Java application support or development.
• Strong proficiency in Java 8+ and understanding of JVM internals.
• Solid experience with Spring Boot framework and Spring ecosystem.
• Hands-on experience with PostgreSQL administration, query optimization, and troubleshooting.
• Working knowledge of AWS cloud services, particularly EC2 and ROSA (Red Hat OpenShift Service on AWS).
• Understanding of microservices architecture and distributed systems troubleshooting.
• Proven experience in application support, production incident management, and system monitoring.
• Strong analytical and problem-solving skills with attention to detail.
• Experience with log analysis and debugging techniques and Knowledge of Linux/Unix systems administration.
• Experience in travel industry or TMC operations support and familiarity with additional AWS services (CloudWatch, RDS, Lambda, S3).
• Experience with monitoring tools (Prometheus, Grafana, ELK stack, Splunk) and Knowledge of containerization technologies (Docker, Kubernetes/OpenShift).
• Understanding of CI/CD pipelines and deployment processes and experience with message queuing systems (RabbitMQ, Apache Kafka).
• ITIL framework knowledge and incident management processes and scripting skills (Shell, Python, or similar).
• Java 8+, Spring Boot, Spring Framework, PostgreSQL, Redis, RESTful APIs ,AWS ROSA, EC2, Docker, OpenShift, Monitoring - CloudWatch, Prometheus, Grafana, Version Control: Git, GitLab/GitHub, Build Tools: Maven, Gradle.
• Strong communication skills for incident coordination and stakeholder updates and ability to work under pressure and manage multiple priorities.
• Customer service mindset with focus on business impact and collaborative approach to working with cross-functional teams.
• Continuous learning attitude and adaptability to new technologies and strong documentation and knowledge sharing practices.
• Must be willing and able to work in 2nd shifts (3:00 PM IST to 12:00 AM IST) and occasional weekends as required.
• The candidate must be willing to work in App Support project.
• Must be willing to work from Bangalore office location minimum 3 days in a week.
• Location Bangalore, India.
• Experience Level Mid Level.

The #TeamGBT Experience Work and life:

• Flexible benefits are tailored to each country and start the day you do.
• These include health and welfare insurance plans, retirement programs, parental leave, adoption assistance, and wellbeing resources to support you and your immediate family.
• Travel perks: get a choice of deals each week from major travel providers on everything from flights to hotels to cruises and car rentals.
• Develop the skills you want when the time is right for you, with access to over 20,000 courses on our learning platform, leadership courses, and new job openings available to internal candidates first.
• We strive to champion Inclusion in every aspect of our business at Amex GBT.
• You can connect with colleagues through our global INclusion Groups, centered around common identities or initiatives, to discuss challenges, obstacles, achievements, and drive company awareness and action.

And much more!

A ll applicants will receive equal consideration for employment without regard to age, sex, gender (and characteristics related to sex and gender), pregnancy (and related medical conditions), race, color, citizenship, religion, disability, or any other class or characteristic protected by law.

Please let your recruiter know if you need an accommodation at any point during the hiring process.