Software Engineer at Fidelity Investments

Built and optimized Spring Boot microservices and RESTful APIs for financial data processing, reducing latency by 50% and enabling higher concurrency (5K to 15K transactions/min). Engineered high-performance Spring Batch ETL pipelines processing 10M+ daily records with retry, chunking, and error handling to lower failures. Migrated SOAP-based integrations to REST with 99.9% uptime, simplifying partner onboarding. Secured 100+ endpoints with OAuth2/JWT and Spring Security, implementing precise RBAC. Implemented Kafka streams and SFTP data pipelines with dead-letter queues, achieving 99.97% delivery reliability. Developed ledger reconciliation services with PL/SQL and enrichment logic, improving data accuracy. Optimized Hibernate, connection pooling, and caching to speed up responses. Automated deployments via Jenkins with Maven/Bitbucket, achieving faster releases. Monitored production via CloudWatch/Splunk/DataDog.

Full Stack Java Developer at USAA

Designed and optimized 30+ microservices using Spring Boot, Node.js, and Hibernate, reducing backend response times to under 300ms and increasing API throughput by 40% under high concurrency. Built modular Angular and Vue SPA dashboards, improving UX and reducing UI-related tickets. Migrated legacy Java 8 to Java 11, reducing complexity and duplication. Integrated Kafka for asynchronous messaging to reduce direct API coupling. Secured apps with JWT/OAuth2 and implemented audit-compliant token lifecycles. Containerized services with Docker/Kubernetes (Helm) for autoscaling and reliable rolling updates. Configured AWS services (EC2, S3, CloudFront, Route53) for performance and 99.95% availability. Implemented middleware authentication layers to reduce validation latency. Automated CI/CD with Jenkins/Bitbucket. Led test automation with JUnit/Jasmine; monitored with DataDog/Splunk.

Full Stack Java Developer at Humana

Built React and Vue dashboards with Node.js and Spring Boot APIs, maintaining 99.9% uptime. Migrated data to Azure Data Lake and Cosmos DB; built Databricks PySpark jobs processing millions of records, shrinking batch runtimes from hours to 15 minutes. Automated ETL with Azure Data Factory, Functions, and Delta Lake for 99% refresh accuracy. Implemented validation and anomaly detection with Spark and Python CI scripts, boosting data integrity and reducing fraud risk. Automated CI/CD pipelines and monitoring with Azure Monitor and Splunk, reducing deployment time and ETL failures.

Full Stack Java Developer at Cigniti

Developed Spring Boot microservices and REST APIs handling 20K+ daily transactions, accelerating time-to-market. Built Vue.js frontends and JSP dashboards; designed UI performance improvements. Integrated Hibernate & Spring Data JPA with SQL Server to optimize loading and CRUD/reporting performance. Built and tested SOAP services with CXF and SOAP UI to improve interoperability. Automated CI/CD with Jenkins/Maven/Git; enabled fast, stable releases. Migrated legacy components to Azure App Services and Azure SQL, reducing cloud costs and improving stability under concurrency. Enforced Spring Security-based access control and JVM tuning to achieve 99.9% uptime and reduce unauthorized access incidents.