Software Engineer III Java OneData

Sunrise, FL - USA

Yearly Salary: $ 103750 - 174750

Posted on: 13 hours ago

Vacancies: 1 Vacancy

Job Summary

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. As part of Team Amex youll experience this 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.

About our Team and Product

One Datais a Function-as-a-Service (FaaS) platform powering Amexs internal cloud ecosystem. Our mission is to simplify and accelerate how developers build deploy and operate microservices at scale across the enterprise.

In 2025 we saw tremendous growth in adoption with hundreds of new functions onboardedand we expect that growth to continue and accelerate. The One Data engineering team is responsible for platform development developer experience and production support collaborating closely with SRE and product engineering teams across the company.

We build for developers by developerschampioning open standards developer productivity and excellence in cloud-native architecture.

The Role

Were looking for a Software Engineerwho is passionate about building highly scalable systems enhancing developer experience and shaping the future of internal cloud platforms at Amex.

Youll design develop and support core components of the One Data platform working with modern technologies and collaborating with talented engineers who care deeply about craftsmanship performance and reliability.

What Youll Do

Design implement and optimize high-performance FaaS components in Java or Kotlin.
Partner with SREs and developers to deliver resilient observable and scalable systems.
Improve developer experience through tooling documentation and automation.
Drive platform adoption performance tuning and continuous improvement.
Mentor engineers contribute to internal tech guilds and promote engineering best practices.
Advocate for open-source principles and contribute back to the community.

Technical Expertise

Strong hands-on experience in Java(Collections Streams Lambdas Exceptions).
Proficiency with asynchronous and concurrent programming Executors Futures CompletableFutures or Kotlin Coroutines.
Experience with Reactive frameworks Vert.x(preferred) Spring Reactive RxJava Netty or Akka.
Proven experience designing and building RESTful microservices; exposure to SOAP or gRPC is a plus.
Experience with build tools (Gradlepreferred Mavenacceptable).
Solid understanding of unit testing frameworks(JUnit Cucumber or equivalent).
Expertise in system design performance tuning and production diagnostics(heap/thread dumps JConsole JMC).
Working knowledge of source control systems(Git or equivalent) and conflict resolution.
Familiarity with containerization and orchestration tools(Docker Kubernetes).
Exposure to messaging systemssuch as Kafka or RabbitMQ is a plus.
Bonus: Knowledge of Virtual Threads (Java 21) micro-benchmarking (JMH) or emerging languages such as Go Rust or WebAssembly (WASM).

Mindset & Collaboration

Passion for technology and continuous learningengaged in the broader developer ecosystem (CNCF open source tech communities).
Action-oriented and adaptable; thrives in a dynamic fast-changing environment.
Manager of one mindsettakes ownership drives clarity and executes independently.
Empathetic communicator who disagrees respectfully and commitsto team goals.
Enthusiastic about developer experienceand improving how others build software.
Committed to mentorship collaboration and contributing to Amexs technology guilds.

Qualifications

5 years of professional software development experience.
4 years of experience with Java Kotlin or similar object-oriented languages.
2 years experience with at least one other modern language (Go Python Rust).
Demonstrated expertise in designing developing and testing enterprise-grade APIs.
Experience with relational or NoSQL databases schema design and performance optimization.
Familiarity with public cloud platforms(AWS GCP or Azure).
Strong analytical and troubleshooting skills; able to decompose complex systems.
Excellent written and verbal communication skills.
Bachelors degree in computer science Computer Engineering or equivalent; advanced degree preferred.

Salary Range: $103750.00 to $174750.00 annually bonus benefits

The above represents the expected salary range for this job requisition. Ultimately in determining your pay well consider your location experience and other job-related factors.

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 but not limited to 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. Thats 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.

US Job Seekers - Click to view the Know Your Rights poster. If the link does not work you may access the poster by copying and pasting the following URL in a new browser window: 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.