Senior Java Application Support Engineer

Senior Engineer II

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.

Key Responsibilities:

Application Support & Maintenance: 

• Provide L2/L3 application support for Java-based GBT mid and back office systems 

• Monitor system health, performance metrics, and proactively identify potential issues 

• Identify and fix 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

System Operations & Monitoring: 

• 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

Development & Enhancement:

 • 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 managing prioritisation and performance tuning initiatives

Required Skills & Experience:

• Minimum 2-3 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 

• Knowledge of Linux/Unix systems administration

Preferred Qualifications:

• Experience in travel industry or TMC operations support 

• Familiarity with additional AWS services (CloudWatch, RDS, Lambda, S3) 

• Experience with monitoring tools (Prometheus, Grafana, ELK stack, Splunk) 

• Knowledge of containerization technologies (Docker, Kubernetes/OpenShift)

 • Understanding of CI/CD pipelines and deployment processes 

• Experience with message queuing systems (RabbitMQ, Apache Kafka) 

• ITIL framework knowledge and incident management processes 

• Scripting skills (Shell, Python, or similar)

Technical Environment: • 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

Key Competencies:

• Strong communication skills for incident coordination and collaborator updates  

• Ability to work under pressure and manage multiple priorities 

• Customer service mindset with focus on business impact 

• Collaborative approach to working with cross-functional teams 

• Continuous learning attitude and adaptability to new technologies 

• Strong documentation and collaboration practices

Shift & Availability: 

• Must be willing and able to work in 2nd shifts (3:00 PM IST to 12:00 AM IST) and occasional weekends as required.

• Must be willing to work from Bangalore office location minimum 3 days in a week. • Occasional weekend maintenance windows 

     

Location

Bangalore, India

     

The #TeamGBT Experience

Work and life: Find your happy medium at Amex GBT.

• 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!

All 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.

Click Here for Additional Disclosures in Accordance with the LA County Fair Chance Ordinance.

Furthermore, we are committed to providing reasonable accommodation to qualified individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the hiring process. For details regarding how we protect your data, please consult the Amex GBT Recruitment Privacy Statement.

What if I don’t meet every requirement? If you’re passionate about our mission and believe you’d be a phenomenal addition to our team, don’t worry about “checking every box;" please apply anyway. You may be exactly the person we’re looking for!

Experience Level

Senior Level