Apr 2020 – May 2022 · 2 yrs 1 mo · Hyderabad, Telangana, India

• Led the engineering team in Amazon Compute Technologies building HEX, a PaaS empowering internal teams to run containerized microservices on AWS. Architected service migration and traffic shifting tools, enabling seamless EC2-to-ECS migrations with safe rollbacks and gradual dial-ups.

Jul 2019 – Apr 2020 · 9 mos

• Geo-spatial, Demand, Availability, Matching and Allocation platform
• Kafka, RocksDB, Flink, Thrift, Flatbuffer/protobuf, ES, Redis, Mysql, Docker, Prometheus, Azure, AWS, Multi-DC
• Designing and architecting high impact initiative to throttle unexpected high incoming traffic at runtime to shield almost all the Tier 1 service in Ola
• Designing and creating a Multi-Cloud environment for Ola's supply storage and dispatch service to work on multi DC to ensure high availability and to be able to use both Azure and AWS services
• Patented (US 2019 272 483 A10) the method and system for soft allocating vehicles to passengers
• Working on developing and integrating data science models to learn matching attributes dynamically based on live demand / supply situations

Mar 2017 – Jul 2019 · 2 yrs 4 mos

• ES, Cassandra, Scylladb, Dropwizard, GRPC, Kafka, Redis, Thrift, HAProxy, Distributed systems
• Founding member of team which designed and developed Ola's core cab/taxi allotment (dispatch) engine from scratch
• Developed highly scalable and available cab discovery platform which developed in-memory DB/cache to store live position updates of cabs (in-house data store: roadrunner)

Jan 2016 – Mar 2017 · 1 yr 2 mos

• Dropwizard, Mongodb, Thrift over http, Hazelcast, Scalable microservices, REST, Data science models
• Worked as technical lead in allocation & discovery platform responsible for cab discovery and cab allotments
• Designed and developed Ola's central allocation engine and working on demand-supply matching algorithms
• Wrote cab discovery service for all business verticals on Ola platform
• Wrote demand queuing and request holding mechanism for across request optimisation
• Worked on supply utilisation system specific to Ola share

Dec 2013 – Jan 2016 · 2 yrs 1 mo · Bengaluru, Karnataka, India

• Kafka, Hazelcast, Mysql, Spark, Padrino, Protobuf/Netty, Jenkins
• => Wrote retail accounting service layer to enable better month end closing entries. The service handles various flows of purchase, sell, billing, debit notes, credit notes, payments etc
• => Implemented data enrichment layer to process external events from different modules in flipkart to process various inventory movements

Mar 2012 – Dec 2013 · 1 yr 9 mos · Bengaluru, Karnataka, India

• Oracle DB, Parallel queries, REST, Oracle clouds, Search as Service
• Secure Enterprise Search: Designed and developed parallel query & relevancy ranking feature to improve query performance over large volume of data
• Search Engine as a Service: Designed and developed client-facing json based REST APIs in the oracle cloud for query, content ingest, and administration & worked on Search Federation Service
• Data Enrichment: Oracle Data Enrichment feature facilitates in-place enrichments of indexed records focused on extracting value from unstructured data. Developed Configuration APIs to manage essential configuration metadata, such as enrichment plugins and resources. Worked on the initial design to use Bigdata/Badoop for data enrichment

Aug 2009 – Mar 2012 · 2 yrs 7 mos · Mumbai Metropolitan Region

• Worked on Enterprise SMS Sender application that provides various enterprises an ideal platform for mobile marketing
• Implemented algorithms to route large volume of SMS traffic efficiently based on priority
• Designed and developed an event generating and handling module for reporting system which provides a real time delivery and reporting to the users

Aug 2009 – Dec 2009 · 4 mos · Greater Chennai Area

• Worked on a tool Media Manager which is a PC application that lets you stream your slideshows, playlists or Internet videos to your TV

May 2007 – Jul 2007 · 2 mos · Mumbai Metropolitan Region

• Entitlement Management System: Developed a tool EnManS, Entitlement Management System with Trade Completion Group which automated management of access privileges of users in the company