Aashish Kumar Jha

Engineered the migration of a resource-intensive Keycloak-based OAuth2 service from a single VM to Google Cloud Kubernetes Engine, eliminating single points of failure and implementing HPA/VPA for dynamic resource scaling to enhance stability and ensure high availability.

Optimized data handling efficiency by migrating JSON storage from PostgreSQL to MongoDB via new API versions, reducing processing and retrieval times from 3 seconds to 2.25 seconds.

Led the implementation of a cost-optimized solution, replacing Google Cloud Filestore with Google Cloud Storage, resulting in an approximate 94% cost reduction for the application.

Automated the end-to-end CI/CD pipeline with Jenkins, integrating build and deployment stages to eliminate manual SSH-based deployments and reduce post-deployment container restart time from 7-8 minutes to near-zero.

Enhanced user experience and reduced page load time by 80% by decoupling the mailing system from a core microservice using RabbitMQ, facilitating asynchronous email processing and preventing main thread blocking.

Developed a Spring Boot-based utility service integrated with MS SQL Server to automate seamless transfer of .csv files between vendors' FTP servers and SQL Server.

Engineered an MFA-OTP utility to enable secure logins and document downloads for key clients including Thermax, Varroc, and KBL.

Led the migration of micro frontend deployments from Docker (600MB/deployment) to Amazon S3 and CloudFront CDN (40MB), achieving a 93% reduction in deployment size, improving application startup time from 2 minutes to near-instant, and enhancing page load/serve times via CDN caching.