Vinothkumar Perumal Kaliappan Email & Phone Number

Teaneck, New Jersey, US

Mumbai, Maharashtra, IN

• A deep understanding & hands-on expertise on designing and building large-scale enterprise data solutions and applications using GCP data & analytics services like Cloud SQL, Cloud Spanner, Big Table, Datastore, Cloud.
• Migrated On-prem VM to GKE cluster with Migrate for Anthos.
• Migrated On-prem MySQL database to Cloud SQL using Continuous Database Migration Service, and concluded the DMS job by promoting the Cloud SQL to a standalone SQL instance for read/write requests from client.
• Created several customized Dashboards and Alerting policy, based on the user defined logs-based metrics.
• Migrated several 3-tier web applications and micro-services based applications from on-premises to GCP.
• Setup CI/CD pipeline in Kubernetes Engine, by installing Jenkins using Helm package manager and creating Jenkins pipeline job to continuously integrate with application source code hosted in Cloud Source Repository and.

Mumbai, Maharashtra, IN

• Worked directly with customers to initiate & accelerate their migration assessments, application migrations, legacy modernization, native application development and cloud infrastructure setup and operations.
• With Cloud Function built an End-to-End data capture pipeline, by extracting data from documents uploaded in GCS using Document AI Form Processor, and stored the data in BigQuery dataset tables.
• Solid IaaS/SaaS/PaaS Application architecture and Cloud Deployment architecture principles with deep rooted experience on multi/hybrid clouds (Google Cloud & On-premises).
• Hands-on experience setting up Kubernetes clusters for running microservices. Took several microservices into production with Kubernetes backed Infrastructure.
• Built a Resilient, Asynchronous Cloud Run system, by enabling Cloud Run service to publish the message to Cloud PubSub Topic and subscribed another couple of Cloud Run services to process the message asynchronously.
• Managed different infrastructure resources like VMs, AppEngine, Cloud Run, Cloud Function, GKE clusters, GCS, VPCs/Subnets, encryption using Cloud KMS and other processes.

Mumbai, Maharashtra, IN

• Enhanced the application used in handheld gun device by store team members from legacy single tier to 3-tier architecture with micro-services.
• And resolved the real-time application issues faced by store members, identified any new defect and fixed it in production environment till support warranty period.
• Created PowerShell script to auto-restart the application services when critical error is thrown in the logs.
• Developed an.Net Desktop application to execute SQL query in multiple SQL servers present in various store data center, by using background worker concept for optimized UI performance. It helps the team members to find.
• Configured CI/CD tool GitHub to maintain repositories for various releases and to migrate the fixed code from development to production with ease.
• Automated the health check of windows server(Services restart, Server restart, Disk space check, Purge Dump files, Memory usage, Web URL status) by creating PowerShell GUI tool to troubleshoot production issues.

Mumbai, Maharashtra, IN

• Worked at client headquarters site along with the customer and managed the project from end-to-end.
• Had regular meetings with Business Data Quality clients and prepared a list of defects or enhancements, which needs to be implemented in enterprise pharmacy data warehouse analytics database.
• Prioritized the list of defects to achieve maximum consistent data in the reporting database.
• Various types of technologies were used as part of BI data warehouse, including relational databases like Oracle, MS SQL and ETL jobs like DataStage, MS SSIS packages, Oracle packages.
• As we were the special funded level 3 team for BI data quality, we performed end to end tasks like analysis, root cause, fix, testing and deployment of SSIS packages, Oracle stored procedures, JCL script used in.
• Performed Job Control Language code changes for BI related control-m jobs, to prevent data loss while recovering the jobs manually.

Mumbai, Maharashtra, IN

• Worked as.Net production support for Pharmacy application.
• Resolved number of production tickets reported from various USA based pharmacies.
• Used HPSD to create problem records to find the root cause of re-occurring issues.
• Logged new defects found in the application and worked on the code fix.
• As part of a dedicated 3-member team, setup the local environment for the application, which enabled me to debug the.Net C# code for quick identification of defect and fixing it.
• With testing team validated the code fix in non-prod environment and shared the results with business users to go ahead with prod implementation.