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.

What We're Looking for:

• We are looking for a highly skilled Senior Java Developer with strong expertise in Java, Spring Boot, microservices, PostgreSQL, and AWS. The ideal candidate will have strong hands-on experience in designing, building, deploying, and supporting scalable backend applications and APIs in enterprise environments.

• This role requires deep experience in Java 11+, Spring ecosystem, REST API development, microservices architecture, and PostgreSQL database design and optimization. The candidate should also have solid exposure to AWS cloud services, especially ROSA (Red Hat OpenShift Service on AWS) and EC2, along with experience in Kafka, CI/CD, and production support.

• The ideal candidate must be capable of developing robust backend solutions, resolving complex production issues, and working effectively with cross-functional teams to deliver reliable and high-performing applications.

What You'll Do:

1. Hands-on Development

• Design, develop, and maintain complex backend services and REST APIs using Java and Spring Boot.
• Architect and implement scalable microservices solutions for business-critical workflows.
• Build resilient, secure, and high-performing backend applications using enterprise Java patterns.
• Develop integrations with internal and external systems using synchronous and asynchronous communication patterns.
• Implement robust exception handling, logging, monitoring, and alerting in backend services.
• Participate actively in debugging, troubleshooting, and root cause analysis of complex application issues.
• Provide expert-level production support and ensure application stability and performance.

2. Application Design & Engineering Practices

• Contribute to technical architecture and solution design discussions.
• Follow established design patterns, coding standards, and development best practices.
• Participate in code reviews and ensure adherence to quality, security, and maintainability guidelines.
• Work closely with product managers, architects, and stakeholders to understand business requirements and translate them into technical solutions.
• Contribute to continuous improvement in engineering practices, reusable components, and system reliability.

3. Database Design & Performance

• Design efficient and scalable data models using PostgreSQL.
• Write optimized SQL queries and support data access layer implementation.
• Perform PostgreSQL performance tuning, query optimization, indexing, and database design improvements.
• Ensure high standards for data integrity, consistency, and transactional reliability.
• Support troubleshooting of database-related performance and production issues.

4. Cloud & Platform Engineering

• Deploy and manage applications on AWS ROSA (Red Hat OpenShift Service on AWS).
• Manage and support workloads running on EC2 and cloud-native environments.
• Build and maintain containerized applications using Docker and Kubernetes/OpenShift.
• Implement cloud-native design principles for scalability, resilience, and maintainability.
• Collaborate with DevOps and infrastructure teams to improve deployment, runtime management, and environment stability.

5. Event-Driven & Integration Architecture

• Design and implement integrations using Kafka and event-driven architecture principles.
• Build backend services that support asynchronous communication and distributed processing.
• Ensure reliability, scalability, and observability of event-driven workflows.

6. Process & Delivery

• Participate in sprint planning, technical grooming, estimation, and delivery activities.
• Work closely with cross-functional teams to ensure smooth execution and timely delivery.
• Support agile development processes and continuous delivery practices.
• Follow established processes for development, release management, testing, and operational support.
• Contribute to documentation, technical knowledge sharing, and support procedures.

Required Skills and Experience

• Minimum 5+ years of professional experience in Java development.
• Expert-level proficiency in Java 8+ / Java 11+ and advanced programming concepts.
• Deep expertise in Spring Boot, Spring Framework, and enterprise Java application development.
• Strong experience in designing and building RESTful APIs and backend services.
• Proven experience in microservices architecture, including scalable and distributed system design.
• Advanced knowledge of PostgreSQL, including:
  • database design
  • query optimization
  • indexing strategies
  • performance tuning
  • transaction handling
• Extensive experience with AWS cloud services, particularly:
  • ROSA (Red Hat OpenShift Service on AWS)
  • EC2
• Strong hands-on experience with Docker, Kubernetes, and/or OpenShift.
• Experience with Kafka and event-driven architecture.
• Strong debugging, troubleshooting, and production support capability.
• Familiarity with monitoring and observability tools such as CloudWatch and ELK stack.
• Experience with DevOps practices, CI/CD pipelines, and infrastructure-oriented deployment models.

Technical Environment

• Languages/Frameworks: Java 11+, Spring Boot, Spring Framework, Spring Security, Spring Data JPA
• Databases: PostgreSQL
• Architecture: Microservices, RESTful APIs, event-driven systems
• Cloud/Platform: AWS ROSA, EC2
• Containers/Orchestration: Docker, Kubernetes, OpenShift
• Messaging: Kafka
• Build/CI-CD: Jenkins, GitLab CI/CD, Maven, Gradle
• Monitoring/Observability: CloudWatch, ELK Stack

Preferred Qualifications

• Experience in high-scale enterprise application environments.
• Exposure to modern backend architectural patterns and cloud-native development.
• Experience working in container-based deployment environments.
• Familiarity with security best practices in backend application development.
• Experience in travel, booking, operations, or transaction-heavy business platforms is an advantage.
• Knowledge of infrastructure as code and automated environment provisioning is a plus.

Soft Skills

• Strong verbal and written communication skills.
• Strong analytical and problem-solving ability.
• Ability to work effectively with cross-functional teams and stakeholders.
• Good prioritization and time management skills.
• Process-oriented approach with focus on quality, documentation, and operational excellence.
• Ability to work independently as well as collaboratively in a team environment.

     

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!