Sr Software Engineer I

Vert.x or other reactive frameworks (Spring WebFlux, Quarkus, Micronaut, Reactor)

Couchbase or other NoSQL databases (MongoDB, Cassandra, DynamoDB) OAuth 2.0, OpenID Connect, and enterprise authentication/authorization frameworks

Event-driven architectures using Kafka or similar messaging platforms Docker and Kubernetes AWS, Open-Shift, or Google Cloud CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, or similar tools Observability tools such as Splunk, Prometheus, Grafana, or OpenTelemetry

5+ years of professional software engineering experience with a strong focus on backend application development.

Extensive experience designing, developing, testing, and deploying enterprise applications using Java 8+ and Kotlin.

Hands-on experience implementing asynchronous and concurrent applications using Completable Future, Java Streams, Executor Framework, and Java concurrency utilities.

Experience designing and building scalable RESTful APIs and microservices.

Experience implementing application security using JWE, encryption libraries, secure key management practices, and industry-standard cryptographic protocols.

Experience securing APIs using authentication and authorization standards such as OAuth 2.0, JWT, and TLS/SSL.

Experience developing applications in distributed, multi-tier architectures.

Experience with relational and NoSQL databases.

Experience with Agile software development methodologies, including Scrum or Kanban.

Experience writing automated unit, integration, and performance tests.

Experience performing code reviews, mentoring engineers, and driving engineering best practices.

Experience troubleshooting production issues, improving application performance, and enhancing system reliability.

Strong communication and collaboration skills with the ability to work effectively across engineering, architecture, and product teams.

Experience with reactive programming using Vert.x or similar frameworks.

Experience with event-driven and message-based architectures.

Experience designing secure, high-throughput APIs for enterprise platforms.

Experience leading technical design discussions and driving architectural decisions.

Experience mentoring engineers and contributing to engineering standards and best practices.

Bachelor's degree in Computer Science, Computer Engineering, Software Engineering, or a related technical discipline, or equivalent practical experience.

Depending on factors such as business unit requirements, the nature of the position, cost and applicable laws, American Express may provide visa sponsorship for certain positions.

We back you with benefits that support your holistic well-being so you can be and deliver your best. This means caring for you and your loved ones' physical, financial, and mental health, as well as providing the flexibility you need to thrive personally and professionally:

Competitive base salaries

Bonus incentives

6% Company Match on retirement savings plan

Free financial coaching and financial well-being support

Comprehensive medical, dental, vision, life insurance, and disability benefits

Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need

20+ weeks paid parental leave for all parents, regardless of gender, offered for pregnancy, adoption or surrogacy

Free access to global on-site wellness centers staffed with nurses and doctors (depending on location)

Free and confidential counseling support through our Healthy Minds program

Career development and training opportunities

For a full list of Team Amex benefits, visit our Colleague Benefits Site .

American Express is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran status, disability status, age, or any other status protected by law. American Express will consider for employment all qualified applicants, including those with arrest or conviction records, in accordance with the requirements of applicable state and local laws, including the California Fair Chance Act, the Los Angeles County Fair Chance Ordinance for Employers, and the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance. For positions covered by federal and/or state banking regulations, American Express will comply with such regulations as it relates to the consideration of applicants with criminal convictions.

We back our colleagues with the support they need to thrive, professionally and personally. That's why we have Amex Flex, our enterprise working model that provides greater flexibility to colleagues while ensuring we preserve the important aspects of our unique in-person culture. Depending on role and business needs, colleagues will either work onsite, in a hybrid model (combination of in-office and virtual days) or fully virtually.

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The below represents the expected salary range for this job requisition. Ultimately, in determining your pay, we’ll consider your location, experience, and other job-related factors.​

At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service.

As part of Team Amex, you’ll experience our powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express.