Full Stack Senior Engineer

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. Were here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued.

We are looking for a passionate and highly skilled full stack senior engineer with strong technical depth and a keen interest to build and scale next-generation customer- and agent-facing applications and have the opportunity to mentor junior engineers. This role blends hands-on with team to design develop test and provide production support for globally distributed automated.

The ideal candidate is comfortable diving deep into system design and implementation details. You will partner closely with Engineers Product Managers Architects Data Scientists and Operations teams to deliver scalable reliable and responsible products.

This role operates in a fast-paced highly matrixed environment with geographically distributed teams and global technology partners.

What Youll Do

• Ensure high standards of quality reliability security and performance across traditional software components.
• Collaborate closely with Architecture and Data Platform teams to define technical principles data strategy and system foundations.
• Proactively identify risks and bottlenecks related to data dependencies model performance scalability and production readiness and drive cross-functional resolution.
• Design develop test and deploy scalable and secure full stack applications.
• Build and maintain backend services using Java and NodeJS in a microservices architecture.
• Develop intuitive and responsive user interfaces using React and JavaScript.
• Integrate and consume RESTful APIs and ensure efficient data flow between frontend and backend systems.
• Write reusable testable and efficient code in Python as needed for backend scripts or services.
• Implement secure authentication and authorization flows using OKTA integration (SAML).
• Participate in code reviews design discussions and contribute to team knowledge sharing.
• Troubleshoot and debug complex issues across the stack.
• Collaborate with DevOps for deployment CI/CD pipelines and monitoring.

What Were Looking For

• 710 years of software engineering experience with 2 years in a technical lead role.
• Strong hands-on experience in:
  • Java and Spring framework
  • Microservices architecture
  • REST APIs and service integration
  • Public cloud platforms (AWS)
• Hands-on experience with ReactJS and modern JavaScript (ES6).
• Solid understanding of microservices architecture and design patterns.
• Experience building and consuming REST APIs.
• Experience with Python for backend scripting or service development.
• Proven experience integrating with OKTA or similar identity management providers.
• Strong understanding of secure coding practices and OAuth2/SAML flows.
• Familiarity with CI/CD tools Git and Agile development practices.
• Excellent problem-solving and teamwork skills.
• Excellent oral and written communication skills in English.

Nice to have:

• Experience building or supporting systems that integrate with AI/ML components such as model inference services data pipelines or intelligent automation workflows is a plus.
• Familiarity with cloud-native services.
• Experience in Expense Management and Travel industry domains.
• Knowledge of GoLang and Cloude code.
• Exposure to responsible AI practices governance or compliance considerations.
• Knowledge in AI/ML platforms or frameworks is a plus.
• Experience in NodeJS

Education:

Bachelors or Masters degree in Computer Science Information Technology or a related field.

Location

Click here to learn more about the benefits we offer in Mexico.

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 20000 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 dont meet every requirement If youre passionate about our mission and believe youd be a phenomenal addition to our team dont worry about checking every box; please apply anyway. You may be exactly the person were looking for!