Senior Full Stack Developer at M&T Bank

Worked across SDLC phases including requirements, design, development, integration, and deployment for customer-facing financial applications. Built backend microservices using Java 21 and Spring Boot following layered MVC architecture (Controller/Service/DAO/Repository). Led migration to Java 17 to improve performance and compliance with modern standards. Designed and implemented secure APIs using Spring Security with OAuth2 and JWT for zero-trust authentication. Developed scalable REST APIs and GraphQL services, integrating API gateway patterns to support omni-channel workflows. Implemented asynchronous event-driven communication using Kafka and RabbitMQ. Containerized services with Docker and deployed to cloud environments including AWS EC2/EKS and PCF. Contributed to GenAI adoption via POCs using embeddings and LLMs, and designed RAG architecture integrating LLM responses with enterprise knowledge bases. Used JUnit5 for unit testing and Jenkins for CI/CD. Added centralized loggin

Java Full Stack Developer at Visa Inc.

Developed enterprise-grade microservices using Spring Boot for high-volume financial applications, improving transaction throughput and modular scalability. Built RESTful APIs integrated with Angular front-end, reducing latency and optimizing payloads/routing with asynchronous handling. Deployed AWS-based cloud-native services (EC2, RDS, S3) with IAM-secured roles and autoscaling to achieve 99.9% uptime. Implemented CI/CD with Jenkins, Git, and Docker, reducing deployment time and increasing delivery velocity with automated testing. Migrated legacy JSP/Servlet modules to Spring Boot microservices, improving maintainability and reducing downtime. Tuned Hibernate and optimized SQL/NoSQL data access to reduce backend response time and retrieval latency. Added centralized logging/monitoring using ELK and Prometheus/Grafana to improve MTTR. Secured APIs using JWT and RBAC, achieving strong authorization and compliance readiness. Built unit/integration test coverage using JUnit/Mockito and s

Full Stack Developer at GM Financial

Developed Spring Boot microservices using Java 17 and built RESTful APIs including reactive services with Spring WebFlux for improved responsiveness under load. Implemented Spring Security with OAuth 2.0 and JWT authentication to secure APIs. Built and consumed REST APIs for CRUD operations related to assignment information and developed interactive UI experiences using React 18 following WCAG and internal design standards. Created real-time dashboards using Kafka streaming data to support sub-second insights for recommendation workflows. Worked with Hibernate persistence layer, Node.js prototypes, and JMS messaging. Designed and deployed applications using AWS services (EC2, Route53, S3, RDS, DynamoDB, SQS, IAM, CloudFormation, Lambda). Containerized applications with Docker and deployed on Kubernetes. Implemented centralized monitoring using ELK stack and supported ingestion/event tracking using Kafka Connect and Spring Cloud Streams. Built SOAP web services and clients using JAXB/

Java Full Stack Developer at LTI MindTree

Built a customer onboarding platform using Spring Boot, React, and Azure services, accelerating registration and implementing authentication via Azure Active Directory with token-based access control. Designed REST APIs with layered architecture connecting to Azure SQL using JPA/Hibernate for high-throughput transactions. Developed responsive UI using React, Redux, Material UI, and Bootstrap with reusable components to improve UX and maintainability. Automated CI/CD with Azure DevOps pipelines, Jenkins, and Maven to reduce build failures and standardize environment provisioning. Migrated monolithic components into modular microservices architecture, improving downtime and aligning with Azure container-based strategy. Created Swagger/OpenAPI contracts to streamline front-end/back-end integration. Resolved production issues through monitoring and on-call support; enhanced error traceability via structured logging and middleware. Optimized stored procedures/indexing with DBAs and enabled

Java Full Stack Developer at HDFC Bank

Developed internet banking features (transaction logs, profile management, notifications) using Spring MVC and JSP, then modernized to Spring Boot and Angular. Built REST APIs handling 100K+ daily requests with validation, fault tolerance, and secure error handling for high availability. Provisioned AWS infrastructure using RDS and S3 to support scalability and traffic spikes. Improved transaction report generation speed through SQL schema enhancements, query optimization, and indexing. Refactored legacy modules to reduce maintenance effort and align with modular architecture standards. Implemented audit logging, RBAC, and SLF4J/Logback logging for security compliance and traceability. Automated regression testing with Selenium to reduce manual QA cycles and improve release reliability. Integrated SMS/email gateways for real-time alerts and mentored junior developers to support on-time sprint delivery.