Jul 2022 – Jun 2025 · 2 yrs 11 mos

Mar 2021 – Jun 2025 · 4 yrs 3 mos

Mar 2021 – Jul 2022 · 1 yr 4 mos

Jan 2020 – Mar 2021 · 1 yr 2 mos

Feb 2017 – Jan 2020 · 2 yrs 11 mos

• I work on the promotional pricing service in Groupon. Being part of the core purchase funnel of Groupon, every successful or otherwise purchase goes through promotional pricing whereby we deal with millions of requests per day requiring subsecond latencies.
• Technologies : java, play framework, Akka, REST based microservices architecture, splunk, Cassandra, Redis, Postgres.

Feb 2017 – Jan 2020 · 2 yrs 11 mos

Dec 2015 – Feb 2017 · 1 yr 2 mos · Bengaluru Area, India

• Designing, Building scalable system using Node.js, Kafka, PostgresSQL for data extraction from various OTA, brand websites of Hotels for enabling rate parity, and competition rate analysis.

Mar 2015 – Nov 2015 · 8 mos · Pune Area, India

• Working in a team building Graph Database.
• Flex (Sequel to erstwhile Lex) and Bison (Sequel to erstwhile YACC), C

Aug 2012 – Nov 2015 · 3 yrs 3 mos · Pune Area, India

• This is a product which performs realtime aggregations and is loosely based on OLAP model.
• 1.) Worked on building a thread safe API for interacting with the aggregation engine.
• 2.) Server side framework for asynchronous communication with client as well as model for that.
• 3.) Built a small query framework for storing aggregated data in memory for speedy access.
• 4.) Performance optimizations for ensuring high throughput for the system.

Aug 2007 – Jun 2012 · 4 yrs 10 mos

• Working on a product in Complex Event Processing (TIBCO BusinessEvents).
• Primary responsibilities have been :
• 1.) Developing Eclipse plugins for the BusinessEvents Designtime environment.
• 2.) Designed and implemented a server component which manages lifecycle of Rule artifacts (Called Rules Management server).
• 3.) Authentication and Authorization framework for the rules Management server.
• 4.) Primary ownership for BusinessEvent's Decision Metaphor called Decision Tables (Designtime and Execution).

Sep 2004 – Aug 2007 · 2 yrs 11 mos

• Worked as QA engineer, and then developer on a product for Oracle Corporation called Oracle Webservice Manager (part of Oracle 10.1.3 SOA suite) from 2004 - 2006
• Was involved in working . Involved in implementation of WS-Security, and its family of specifications.
• Also worked on Oracle's next generation Identity Management product called X2 (2007).
• Also an active contributor on the WS-SX Technical Committee at OASIS.

Sep 2004 – Mar 2007 · 2 yrs 6 mos

Feb 2003 – Aug 2004 · 1 yr 6 mos

• Worked as QA engineer for a project : Client Swiss Reinsurance company. (2003)
• Also worked as developer in an application for reservation system of a UK Travel company called TTC. (2004)
• Worked as QA engineer for project (Telstra Corporation Australia). (2004)