Spearheaded the design and development of sophisticated tools aimed at precisely measuring and reporting the profitability of intricate products and global business operations.Orchestrated the migration of on-premises report generation services to a cloud platform, leveraging cloud capabilities to significantly reduce report generation time by 75%.Developed robust and scalable Restful APIs using the Spring Boot framework, emphasizing best practices for API design and implementation.Led the implementation of microservices based on RESTful APIs using Spring Boot, adopting a microservices architecture to enhance flexibility, scalability, and maintainability.Collaborated with cross-functional teams to design and implement microservices that seamlessly interacted with each other, fostering a modular and efficient system.Pioneered the development of a flagship project, utilizing both Java and Scala, enabling direct calculation of capital metrics from profit and loss reports.Achieved a remarkable reduction in report production time from one week to a single day, providing the organization with timely and actionable financial insights.Enhanced dashboard efficiency significantly by implementing a caching layer, leveraging Hazelnut, and optimizing the data processing flow with Kafka queue integration. Achieved a 90% improvement in dashboard responsiveness, providing users with real-time and reliable data visualizations.Implemented robust security measures, including industry-standard authentication protocols (OAuth, JWT, Identity Server) and Role-Based Access Control (RBAC), ensuring secure access and data protection.Incorporated encryption mechanisms and conducted routine audits to fortify applications against potential security threats.Conceptualized and contributed to the design of an innovative Spark-based ETL tool tailored for efficient loan population segregation..

Engaged in in-depth discussions with business users to gather and refine business requirements, aligning them seamlessly with the overall design.Developed Restful APIs using Spring Boot, emphasizing a microservices architecture for enhanced scalability and flexibility.Implemented microservices based on RESTful APIs using Spring Boot, demonstrating expertise in modern microservices architecture.Led the conversion of existing AWS infrastructure to a serverless architecture, deploying AWS Lambda functions through AWS CloudFormation.Executed configuration, deployment, and support of cloud services, including AWS S3 storage for efficient management of application-generated files.Applied expertise in core Java, design patterns, Spring Boot JPA, and Hibernate to optimize processing of client relation data.Utilized various microservices-related components and design patterns, including Service Registry, API Gateway, Hystrix, Spring Security, Config Server, and OAuth.Established and maintained diverse development environments, adhering to Agile practices and employing Test-Driven Development (TDD) techniques for reliable microservices.Took responsibility for designing, developing, and maintaining batch processing jobs using Spring Batch.Engaged in batch processing using the Spring Batch framework to extract data from databases and load it into corresponding Loan App Tables.Developed Spring AOP programming for configuring logging and tracking CRUD operations on the database.Implemented Aspect-Oriented Programming (AOP) for logging and database operation tracking, incorporating Declarative Transaction Management, and configuring Pointcut and Joinpoint.Participated in the creation of Docker images and facilitated container deployment for improved application portability.Integrated Apache Kafka for asynchronous intercommunication, developing Kafka producer and consumer applications on a Kafka cluster setup with Zookeeper.

Engineered a robust Android application for time tracking, utilizing a combination of Kotlin and Java. Implemented efficient clock-in and clock-out functionalities for tracking employee work hours, crucial for accurate payroll calculations.Enabled synchronized punching across all company clocks within a 5-minute interval, ensuring real-time updates company-wide for enhanced accuracy.Devised and implemented a data transfer strategy to transmit only updated information, significantly reducing bandwidth usage.Successfully decreased sync time from 15 minutes to 2 minutes, improving overall application efficiency.Applied advanced database design principles to optimize data structures, ensuring efficient querying across MySQL, MS SQL, and MongoDB.Implemented robust indexing strategies to enhance performance, contributing to seamless and quick data retrieval. Implemented a microservices architecture using Docker and Kubernetes, enhancing scalability, flexibility, and maintainability of the application.Ensured seamless integration of microservices to facilitate efficient communication and streamlined workflows.Seamlessly integrated databases using Entity Framework's Object-Relational Mapping (ORM) in PHP.Optimized CRUD operations to handle data efficiently, ensuring smooth interactions with the underlying database.Facilitated cross-functional collaboration by orchestrating requirements gathering and applying project management methodologies.Incorporated tools such as Jira and Agile practices for efficient task tracking and iterative development, ensuring project milestones were met effectively.Engineered responsive user interfaces for web applications using HTML5, CSS3, Bootstrap, and Angular frameworks.Utilized reactive and template-driven forms to associate HTML elements with models, providing dynamic user validations on the client side.Leveraged AngularJS directives, factory, service, and filters to enhance the functionality.

Led the design and development of companion applications for the Paycom Mileage Tracker, enhancing user experience and functionality. Innovatively created a Smart Watch application, extending the accessibility of Paycom's features to wearable devices.Engineered applications for both mobile and SmartWatch platforms, streamlining and optimizing the clock-in and clock-out processes for employees.Ensured a cohesive user experience across devices, allowing employees to conveniently manage their work hours from their preferred platform.Conceived and developed the Paycom Lunch Assistant, an application providing personalized cafeteria meal suggestions based on employee preferences.Utilized Android, PHP, and REST API technologies to deliver a user-friendly and customized dining experience for employees.Leverage Android and PHP technologies for the design and implementation of the applications, ensuring compatibility and optimal performance.Utilized REST API principles to establish efficient communication between different components of the applications.Implemented a robust mechanism to enable cross-device functionality, allowing users to access all features of the mobile applications seamlessly from the Smart Watch.Ensured a consistent and integrated experience across different devices, enhancing user convenience and accessibility.Engineered Android Services to ensure the continuous functionality of the applications even when running in the background or when closed.Enhanced user experience by providing uninterrupted access to key features, contributing to the overall reliability of the applications.

Spearheaded Identity and Access Management (IAM) Onboarding processes, meticulously documenting security level details for novel applications.Leveraged Spring Boot to craft standalone applications, utilizing Red Hat and Eclipse for coding and debugging application modules.Applied Java 8 features, including Lambda expressions, to enhance code development, resource class creation, and data retrieval from databases. Demonstrated expertise with both NoSQL databases like Cassandra and SQL databases such as Oracle and SQL Developer.Employed Spring Boot to develop RESTful web APIs, contributing to the creation of fully distributed systems through Restful API and Microservices.Established a Continuous Delivery pipeline using Jenkins and Bitbucket, demonstrating proficiency with Nexus and Splunk.Contributed to the DevOps process, implementing continuous integration with tools like Jenkins, JIRA, GIT, and CHEF.Created UI interfaces using JSP, JSF, JavaScript, and jQuery, ensuring dynamic and visually appealing content.Implemented multithreading, parallel programming, and clustering techniques to enhance application performance and reduce response times.Developed SOAP message envelopes and headers using WSDL, showcasing expertise in web services development.Utilized Node.js to interact with MongoDB, integrating MongoDB modules for database persistence.Engineered fully distributed systems, incorporating Restful API and Microservices principles for enhanced scalability and flexibility.Implemented CRUD operations using the Spring MVC architecture, conducting thorough code reviews to maintain code quality.Designed logical and physical data models, generating DDL and DML scripts for Oracle databases.Employed Log4J for comprehensive log capture, including runtime exceptions, to facilitate effective debugging.Utilized Maven as a build tool for backend applications, ensuring streamlined and efficient development processes.

Extensive experience in crafting Service-Oriented Architecture (SOA) applications within an agile development framework.Developed web services in SOA, utilizing Spring Security and OAuth protocols for robust security and authorization in a NodeJS environment.Implemented Java EE components employing Spring MVC, IOC, Spring transactions, and Spring security modules.Engineered Microservices based on RESTful APIs using Spring Boot, ensuring seamless integration with Spring MVC.Configured Hibernate objects as Spring Beans in the Spring Configuration File to enhance application efficiency.Designed and implemented web pages using AngularJS, JavaScript ES6, HTML5, CSS3, and Bootstrap for a modern and responsive user interface.Developed REST web services using Spring MVC and conducted thorough testing with SOAP UI for quality assurance.Proficiently installed and configured applications on AWS EC2 instances, utilizing S3 buckets for storage needs.Enacted Service-Oriented Architecture (SOA) principles by developing and consuming RESTful web services based on JAX-RS and Jersey.Implemented TestNG data provider and Apache POI for Data-Driven Testing, ensuring robust and adaptable testing practices.Executed JUNIT test cases for unit testing and Suites for comprehensive end-to-end testing.Designed and implemented Java Classes, utilizing JAXP parser to create Java objects for efficient data modification.Managed the multithreading aspect in the backend components, ensuring optimal performance with dedicated threads.Implemented the Graphic User Interface (GUI) using HTML5, CSS3, Bootstrap, JavaScript ES6, jQuery, and jQuery UI.Proficiently worked with DB2, crafting SQL Queries, Stored Procedures, triggers, and views, seamlessly integrating them into DAO.Maintained and optimized CSS, HTML, JavaScript, JSON, JSF, AngularJS, and Bootstrap for designing aesthetically pleasing and functional web pages.