Sep 2018 – Sep 2023 · 5 yrs · Bengaluru, Karnataka, India

• Public Cloud Services:
• Keywords: Cadence for workflow management, Proxy, Notifications....
• Design and Development of Notification cum Subscription service.
• Develop proxy management for communication between Controlplane and customer's cloud environment
• Build complex workflows to provision critical resources and manage user trials using Cadence workflows.
• POC involving real time data processing for metering usecases using spark/kafka streams
• Networking Initiative:
• Keywords: CDP Public Cloud services(PaaS), Cloud Networking
• Documented networking reference architecture of CDP for AWS & Azure
• Cloud networking best practices.
• A service that can setup private links between networks.
• CDP Private Cloud Team(Apr 2020-Mar 2021):
• Worked on CDP Controlplane MicroServices primarily targeted at Kubernetes
• Worked on authentication strategies like Ldap, Saml.... and several other IAM(Identity and Access Management) pieces here.
• Worked on the certificate/trust management for CDP Private Cloud platform.
• Kafka Engineering team Team(Sept 2018-Mar 2020):
• Built end-to-end latency metrics feature in Streams Messaging Manager(SMM) using Kafka Streams without any external storage.
• Introduced Kerberos Authentication to SMM and worked on several other security aspects including Apache Knox-SMM integration.
• Worked on core and security features of Hortonworks Schema Registry including Apache Ranger integration
• Worked on several engineering requests across Kafka, Kafka Streams, SMM & Schema Registry.

May 2015 – Sep 2018 · 3 yrs 4 mos · Bengaluru Area, India

• Data Platform Engineering
• Owns the data lake and the platform that enables the data reporting and analytics capabilities for the entire company.
• Worked on the replacement of an in-house reporting and analytics solution with a self-serve platform based on Hadoop, Spark, Oozie, Druid stack.
• Worked on the architecture, design and development of the platform.
• Data Instrumentation
• Worked on the development of solution that ingests the visitor tracking data(clickstream) into our data pipeline.
• Worked on campaign execution solution that performs and persists the experimentation across multiple sessions, visitors and also enables the downstream components with measuring the effectiveness of campaigns/models.
• Worked towards stability of the previous version of the solution which includes bringing in High Availability, scalability, fault tolerance into the solution, including the scenarios involving multiple datacenters.

Jul 2008 – Apr 2015 · 6 yrs 9 mos · Bengaluru Area, India

• My work profile involves:
• Java Class Libraries Service. I specialise Java net, nio, io components.
• Worked on various complex Java application issues involving middleware products like IBM WAS, Cognos.. involving the components all the way from JVM to JNI to high level customer applications.
• Handled several critical technical issues that arise out of various IBM Java based projects/PoCs.
• Evangelised IBM service tools in both IBM internal and external customer locations.
• Worked on building a prototype of javac compiler single-handedly to enable PackedObjects. (Some Info about PackedObjects: http://www.slideshare.net/mmitran/ibm-java-packed-objects-mmit-20121120)
• I have experience in diagnosing applications like Java application crashes, hangs, performance.
• I worked on tools like top, topas, vmstat, dbx, gdb, netstat, MAT, IBM HealthCenter,
• Worked on the backend of a node.js+express+cloudant project for an internal application as a stretch project.
• Blogged on IBM DeveloperWorks on the id "ggchaitanya". Adding a few popular ones here.
• https://www.ibm.com/developerworks/community/blogs/738b7897-cd38-4f24-9f05-48dd69116837/entry/jvm_under_the_hood_locking_in_ibm_j9_vm2?lang=en
• https://www.ibm.com/developerworks/community/blogs/738b7897-cd38-4f24-9f05-48dd69116837/entry/understanding_some_common_socketexceptions_in_java3?lang=en
• https://www.ibm.com/developerworks/community/blogs/738b7897-cd38-4f24-9f05-48dd69116837/entry/diagnosing_hangs_due_to_application_deadlocks_using_ibm_diagnostics29?lang=en

May 2007 – Jul 2007 · 2 mos · Perth, Australia