Swathi Sangam

Java Backend Developer at Walmart

Designed and developed Spring Boot microservices and RESTful APIs to process customer return requests, receipts, and related workflows. Implemented robust data handling with Hibernate/JPA and Spring Security for role-based access. Built event-driven microservices using Apache Kafka to process high-volume returns in real time. Deployed cloud-native services on Azure (AKS, Azure SQL, Blob Storage, Event Hubs, Service Bus) and integrated NoSQL stores (MongoDB/Cassandra). Created CI/CD pipelines with Jenkins, Maven/Gradle, Docker, and Kubernetes via Azure DevOps, ensuring automated builds, tests, and deployments. Implemented observability with Application Insights and Log Analytics; wrote unit/integration tests with JUnit/Mockito; and collaborated with frontend teams to render receipts and customer notifications in React. Also migrated legacy processes to cloud-native patterns (GKE/Cloud Run) and integrated with data pipelines using Pub/Sub and Data Factory.

Java Backend Developer at Tailored Brands

Developed Java backend services using Spring Boot and microservices architecture. Built secure RESTful APIs and enterprise integrations with JBOSS Fuse, Apache Camel, and Hibernate. Implemented serverless patterns with Cloud Functions (GCP) and optimized API performance with Cloud Endpoints. Established logging, monitoring, and alerting using Cloud Logging/Monitoring (Stackdriver) to improve observability and reduce incident resolution time. Led continuous delivery pipelines for microservices and serverless workloads with Jenkins and GCP integration; collaborated with frontend teams to ensure seamless API consumption and real-time data processing.

Java Backend Developer at DTCC

Built Java backend services for high-volume financial data processing. Implemented real-time data ingestion pipelines using Apache Kafka, Spark, and Hadoop, with data routing through Pub/Sub and Dataflow (GCP). Developed Spring Boot microservices, integrated with Elasticsearch, and containerized services with Docker for deployment on Kubernetes. Implemented CI/CD pipelines with Jenkins, and leveraged cloud-based observability tools (Cloud Logging, Cloud Monitoring) for proactive reliability and performance tuning.

Java Backend Developer at JPMorgan Chase

Engineered real-time financial transaction processing and risk analytics using Java, Spring Boot, Hibernate, and microservices. Deployed on AWS/GCP with Docker and Kubernetes. Built RESTful and SOAP web services, implemented JMS-based messaging, and ensured security via OAuth2/IAM. Implemented CI/CD pipelines with Jenkins, Maven, and Docker, and developed data pipelines for analytics using BigQuery and Cloud SQL.

Java Backend Developer at UnitedHealth Group

Developed Java backend components for real-time processing in healthcare/insurance domain. Built Spring-based REST services, integrated with DataPower gateway, and leveraged cloud-native patterns with serverless functions and event-driven messaging. Focused on secure data handling, unit testing (JUnit) and collaboration with cross-functional teams to deliver scalable healthcare solutions.

Java Developer at Angular Minds, Pune

Developed UI components with AngularJS/Angular and Node.js for backend integration. Implemented JDBC/Oracle data persistence, deployed on Tomcat/WebLogic, and used Maven for build automation. Worked on AWS/OpenShift deployments and contributed to data-intensive projects using Hadoop, Spark, and Cassandra. Built REST/SOAP services and contributed to cloud migrations and CI/CD processes.

Java Backend Developer at Walmart

Designed and developed Spring Boot microservices and RESTful APIs to process return requests, receipts, and integrations with external systems for Walmart's Returns Application Platform. Built backend services with Hibernate, JPA, and Spring, ensuring secure handling of sensitive data. Implemented Spring Security for role-based access. Developed event-driven microservices with Apache Kafka to handle real-time return events. Optimized database interactions (SQL and MongoDB) to meet high-volume processing requirements. Deployed cloud-native services on Azure (AKS, Functions, Blob Storage, Event Hubs, Service Bus) and orchestrated CI/CD pipelines using Jenkins and Azure DevOps. Enhanced observability with Application Insights and Log Analytics. Collaborated with frontend teams for UI integration (ReactJS/Redux) and implemented data-driven receipts rendering and customer notifications. Created scalable, reliable architectures, emphasized code quality with JUnit/Mockito and maintained high

Java Backend Developer at Tailored Brands

Worked in Agile SDLC, designing and implementing web applications and microservices. Built Java-based microservices using Spring Boot, JBOSS Fuse, Apache Camel, and Hibernate; developed RESTful APIs with Node.js/Express.js for backend integrations; optimized real-time data processing for low latency. Integrated Java applications with Google Cloud Platform (GCP) services (GKE, Cloud Run, Cloud SQL) and implemented serverless patterns with Cloud Functions. Established observability with Cloud Logging and Cloud Monitoring and implemented data encryption to protect sensitive customer data. Deployed cloud-native apps on GCP, AWS, and Azure, and configured CI/CD pipelines using Jenkins, Travis CI, and Cloud Build. Implemented data ingestion with Kafka, BigQuery, Spark, and Dataflow for analytics. Collaborated with frontend teams (ReactJS/Angular) for real-time notifications and UI integration; created RESTful services with Spring Boot, JAX-RS, and GCP Cloud Endpoints.

Java Backend Developer at DTCC

Developed UI with ReactJS and backend with Java, building real-time data processing solutions for financial services. Created secure REST/SOAP web services, integrated with external systems, and migrated to cloud-native architectures on GCP (GKE, Cloud Run) with Cloud SQL, Pub/Sub, and Cloud Storage. Implemented CI/CD pipelines with Git/Jenkins, containerized services with Docker, and deployed on Kubernetes. Employed TDD with JUnit/Mockito; designed data pipelines using Kafka, Spark, Hadoop; utilized Elasticsearch/Kibana for monitoring and log analytics. Worked with Node.js for backend integrations and implemented security with Spring Security. Collaborated with cross-functional teams to ensure low-latency, high-availability systems.

Java Backend Developer at JPMorgan-Chase

Developed Java backend for real-time financial trading platforms, delivering REST/SOAP web services with Spring Boot, Hibernate, and JPA. Built microservices with Docker and Kubernetes on AWS/GCP, implemented server-side data encryption, and integrated with external systems using JMS, Kafka, and RESTful APIs. Led CI/CD pipelines using Git/Jenkins/Maven; implemented test suites with JUnit/Mockito and performance testing with JMeter. Worked on cloud migrations and data platforms (GCP GKE, Cloud Run, Cloud SQL) with Pub/Sub, BigQuery, and Dataflow. Created monitoring dashboards with Prometheus/Grafana and Cloud Monitoring; collaborated with traders/front-office teams to ensure low latency and high availability. Used Node.js/Express.js for ancillary services and implemented security with Spring Security.

Java Backend Developer at UnitedHealth Group

Supported real-time alerting and backend microservices, implementing MVC with Spring and AWS Lambda for event-driven processing. Developed RESTful services to interact with external systems, integrated with DocuSign for e-signature workflows, and leveraged Google Cloud Platform for deployment (GKE, Cloud Run) and AWS services (EC2, S3). Built microservices with Spring Boot and Spring MVC; delivered serverless components and containerized workloads with Docker; established CI/CD pipelines with AWS Code/Cloud Build. Conducted data processing using Apache Kafka, Cassandra/MongoDB datastores, and implemented security and audit controls. Collaborated with cross-functional teams across healthcare clients to ensure HIPAA-compliant security and scalable performance.