• Developed scalable backend services using Java Spring Boot, integrating REST APIs and secure database logic, optimizing transaction workflows, and enabling a responsive customer insights platform that supports multiple banking products efficiently.

• Implemented AWS Lambda and DynamoDB event-driven backend processes, improving real-time transaction handling by 25%, reducing latency, and ensuring highly available, resilient cloud infrastructure for high-volume financial applications.

• Configured authentication and role-based access using JWT and AWS Cognito, enhancing SOC 2 and PCI DSS compliance, mitigating unauthorized access risks by 40%, and enabling seamless single sign-on experiences for diverse banking users.

• Integrated frontend and backend services with React and Redux Toolkit, creating APIs for dashboards visualizing AI-driven analytics, improving insight extraction, and increasing feature adoption by 35% across multiple banking customer segments.

• Optimized backend microservices with Spring Boot, implementing CI/CD pipelines, automated testing, and SonarQube quality checks, improving deployment success to 98%, and enhancing maintainability, reliability, and operational monitoring for critical banking services.

• Managed real-time data pipelines and event-driven workflows between backend services and cloud storage, ensuring consistent transactional data, reducing response times, and supporting scalable high-volume operations across multiple banking customer segments.

• Build full-stack applications with React, NextJS, Python/Django, and MySQL, integrating REST APIs and GraphQL, improving data retrieval efficiency by 45%, reducing page load times, and enhancing overall user experience across web and mobile platforms.

• Implemented backend optimizations, database indexing, and server-side caching, reducing API response times by 38%, increasing application scalability, and supporting a 60% increase in concurrent user traffic without impacting performance or reliability in production environments.

• Led development of reusable UI components and responsive layouts, increasing front-end code reuse by 50%, reducing development time for new features, and improving cross-browser compatibility while maintaining WCAG accessibility and SEO standards.

• Integrated automated testing and CI/CD pipelines using Jest, Cypress, and Linux scripts, improving regression coverage by 70%, reducing production bugs by 30%, and accelerating deployment cycles for continuous delivery in Agile teams.

• Developed AI-driven chatbot integrations with LUIS and Health Bot Portal, enabling automated customer support that handled 55% of inquiries, improving response accuracy, reducing manual workload, and increasing overall customer satisfaction across digital channels.

• Engineered robust backend applications using Java, Spring Boot, REST/GraphQL APIs, Hibernate, and MongoDB/MySQL, architecting scalable microservices, secured OAuth authentication, and streamlined integration with distributed systems for high-performance enterprise solutions.

• Orchestrated migration of services to AWS Kubernetes clusters, utilizing Docker, YAML/JSON, CI/CD pipelines, Blue-Green deployments, and Azure DevOps, enhancing system reliability, scalability, and maintainability across complex, high-traffic enterprise backend systems.

• Implemented comprehensive unit, integration, and automated tests with JUnit, Mockito, Selenium, TestNG, and SonarQube, optimized build workflows using Maven/Gradle, refactored legacy services, and collaborated with teams to deliver secure, performant backend solutions.