Description:

​American Express is hiring a Software Engineer II for its Global Merchant Services Technology (GMST) organization in Bangalore. This business unit architects the core transactional nervous system of the company, building distributed, near-real-time, low-latency merchant payment pipelines that run 24x7x365. As a core back-end engineer on this cloud-deployed system, you will own the development, testing, and scaling of features that process global merchant card volumes. The daily scope balances writing scalable Java-based microservices, managing automated testing suites, optimizing in-memory processing frameworks, and tweaking data persistent layers to ensure maximum application resiliency and minimal latency.

​Key Technologies:

​Java, Vertx, Spring, Spring Boot, RESTful micro services, Ignite, In-Memory Computing, Spark, PostgreSQL, Cassandra, Kafka, Yellowbrick

​Requirements:

• ​Formal university degree in Computer Science, Computer Engineering, or a closely related quantitative technical stream.
• ​3+ years of professional hands-on back-end engineering experience writing enterprise-grade application logic using Java Technologies.
• ​Proven competency implementing microservices with Spring, Spring Boot, and high-performance reactive architectures like Vert.x.
• ​Direct familiarity or working experience managing distributed, multi-tiered engines, in-memory architectures (Apache Ignite is a major plus), and large-scale data processing tools like Apache Spark.
• ​Strong operational knowledge of relational systems (PostgreSQL), distributed NoSQL datastores (Cassandra), massive-scale analytical platforms (Yellowbrick), and real-time streaming/event messaging brokers (Kafka).
• ​Extensive experience constructing, documenting, and optimizing scalable RESTful API endpoints and specifications.
• ​Solid capability executing automated testing frameworks (Unit testing, Integration testing) inside continuous application rollouts.
• ​Ability to efficiently profile back-end components, trace code failures, execute root-cause analysis, and apply hotfixes for system defects.
• ​Comfort collaborating inside fast-moving Agile sprints or related rapid application development (RAD) software management setups.
• ​Sharp analytical skills to evaluate complex technical objectives against strict business goals, an innovative mindset that questions legacy patterns, and proficient oral and written English communication metrics.