Software Engineer III - Java/ Go - GNST
Confirmed on the employer's own hiring board on Nov 4, 2026. First seen by Alion on Nov 3, 2026. American Express scores A on the Alion truth index.
Joining Amex Tech means discovering and shaping your contribution to something big. Here, you can work alongside talented tech teams and build a unique career with the Powerful Backing of American Express. With a range of opportunities to work with the latest technologies, and a commitment to back the broader engineering community through open source, our mission is to power your success. Because Amex Tech is powered by our technology, our culture, and our colleagues.
The Technology organization enables and accelerates the company’s growth strategies, delivering global capabilities and services in support of Amex’s customers and colleagues, while maintaining 24/7 servicing and availability to ensure an uninterrupted, high-quality customer experience. Technology provides the foundation for everything we do in the company while driving differentiation through building and leveraging innovative technology and data insights.
The Global Merchant and Network Services Technology (GMNST) organization at American Express is responsible for modernizing the payments network to enable next-generation payments products. The team creates flexible merchant platforms to acquire, bill, pay, service and foster innovation, while enabling a payments ecosystem to connect and authenticate parties seamlessly and securely
American Express is making strategic investments in new card network products and platforms to allow the company to meet its ambitious global growth agenda. Card Network platform is a distributed near real time low latency system that is always available and highly resilient, processing transactions from around the world 24x7, 365 days a year. American Express Global Card Network Platform authorizes and processes all of the company’s customer card transactions.
As an Engineer, you will be a responsible to build core features and functions of card transaction systems on distributed platform deployed in hybrid cloud.
- You will be a core member of an agile team driving the latest development practices, writing code and unit tests, working with API specs and automation.
- You will be using Java Technologies - Vertx, Spring MVC, Spring Data and Spring Boot and RESTful micro services.
- Lead a culture of innovation and experimentation, engage in fun and outcome-oriented culture, and always be ready to try new concepts without fear of failure.
- Collaborate with peer technology and development teams across different locations.
- Identifying opportunities for adopting new technologies
- Work along with stakeholders to understand and analyze the requirements.
- Computer Science, or equivalent degree or industry experience.
- 5 years of software development experience in a professional environment.
- Strong OOPs concepts, concurrency, exception handling etc.
- Data structures and Algorithms, Strong OS fundamentals, Advanced Java concepts
- Strong development experience using languages Java/ Go. Keen understanding of how to build highly performant systems with such languages.
- Hands on experience in building distributed micro-service systems, experience with Service Mesh products/frameworks like such as Envoy, Linkerd, Istio, gRPC/ProtoBuf; Distributed System Management/tracing and monitoring such as Zipkin/Jaeger, ELK Stack, Prometheus
- Have experience in designing and building Cloud native applications. Experience in cloud platforms like Docker, Kubernetes, OpenShift are a plus.
- Experience in using NoSQL databases and distributed messaging systems such as Redis, Kafka, Couchbase, Cassandra in the context of low latency and high transaction volume systems.
- Experience with Continuous Integration/Continuous Deployment tools such as Jenkins, GitHub
- Experience working in DevOps teams and Scrums.
- Ability to learn and deep dive into new technology and business domains, question status quo and think outside of the box.
Proficient oral and written communication skills.
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.