About

Raheenul Hasan is a hard-working and detail-oriented Senior Software Engineer at Apple with over 8 years of relevant experience. He has a strong background in using Java/J2EE, Spring (IOC, Web, MVC, Boot, DI, ORM, AOP), Microservices, and their design patterns, Domain-Driven Design, Event-Driven Microservice Architecture, Linux, Unix, Kafka, JAVAX Validation, Hibernate, NoSQL, MongoDB, JUnit, Test Cases, JavaScript, Object-Oriented approach, MVC, Agile, Scrum Process. Raheenul is an excellent communicator with exceptional interpersonal skills and a willingness to help, listen, and learn. Raheenul has worked for the Prime Brokerage and Prime Services division, where he developed solutions to cater to clients' requirements across prime brokers, Taxlot accounting, and reporting. He has also developed and engineered Health Saving Account –HSA, programmed batch jobs to incorporate improved file transfers, and streamlined invalid data files. Raheenul has scaled up the Online Enrollment application from OpenShift to Azure cloud employing Azure Kubernetes Service, incorporated helm charts and ingress to handle performance and security concerns, and redesigned the solution for WTX compiled jobs as part of security audit across multiple payments batch jobs. Raheenul has optimized the performance of enrollment and payments Spring Boot jobs, increased efficiency by 50% by reducing 450 incidents annually, and engineered Jenkins CI/CD pipeline for CQRS implemented Spring Boot REST API services. He has also automated the task of validating key enrollment files by creating a Java validator to loop out the invalid records before processing, saving 180 hours annually in recovery. Raheenul has led a development team to design IBM Maximo EAM to cater Aviation specific needs, engineered a Connect-Disconnect solution of real-time two-way synchronization of data across multiple databases for 800 tables concurrently, and designed IP Forwarder solution to handle URLs from all Remote Data Centers in the Active-Passive approach. He has re-engineered merging of Pilot and Full Rollout phases of SDLC in order to minimize downtime of the application from 22 man-days to less than 1 man-day with the efficiency of 2100% and increased the efficiency to 9100% of aviation manual distribution across India from 100 days to 1-day access. Raheenul programmed Global Unique ID to optimize the execution time of stored procedures in production, increasing the efficiency 300% and reducing the