Roopa Tangirala

Roopa Tangirala

About

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VP of Engineering
California, United States

Timeline


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Résumé


Jobs verified_user 0% verified
  • ClickHouse
    VP of Engineering
    ClickHouse
    Dec 2023 - Current (2 years 9 months)
  • ClickHouse
    Sr Director
    ClickHouse
    Oct 2021 - Dec 2023 (2 years 3 months)
  • Netflix
    Director - Data Platform
    Netflix
    Mar 2014 - Oct 2021 (7 years 8 months)
    - Leading and growing a team primarily providing Persistence as a service to the whole of Netflix specializing in Apache Cassandra, EvCache, memcache, Dynomite, CockroachDB, Zookeeper, ElasticSearch, RDBMS. - The team is responsible for solving for all of Netflix's operational, realtime data needs, including maintaining, upgrading and scaling hundreds of Cassandra/Elastic Search clusters, thousands of nodes spanning across multiple AWS regions, serving the hundreds of micro-services which help deliver amazing service to our subscriber base. - The team extensively looks for ways in optimizing the costs, understand the capacity needs in advance and grow clusters when needed. - Look for various new datastores in the market- evaluate, benchma
  • Netflix
    Sr Cloud Data Architect
    Netflix
    Jun 2011 - Mar 2014 (2 years 10 months)
    • Data modeling and working with development teams as they move from Oracle, MySQL to Cassandra (NoSQL). • Performance tuning and multi-region deployment of Cassandra NoSQL databases in AWS. • Helping DevOps automation, mentoring and troubleshooting production issues • Co-ordinated and lead multiple cross functional projects across various business units. • Capacity planning and cost optimizations across various persistence layer, enabling fast feature roll outs at the same time, optimizing on costs. • Lead various efforts on implementing new Cassandra features as fit for specific applications. • Educate developers on Cassandra best practices and help them transition from RDBMS to Cassandra.
  • Netflix
    Senior Software Engineer
    Netflix
    Jun 2007 - May 2011 (4 years)
    • Primary DBA for the website serving databases (multi TB in size) which handle the website traffic and queue adds for the Netflix. As primary DBA, am solely responsible in doing health checks and improving performance of these production databases growing with rapid user base. • Handled and delivered the disaster recovery solution for all key mission critical databases by setting Oracle data guard standbys and automating the switchover process which is tested pretty much every month. • Reducing website downtime by using online table redefinition, streams, DG standbys and working closely with Oracle support to get bug fixes and refine the online table redefinition process which had issues in 10g. • Worked closely with IBM and Oracle in det
  • eBayPayPal
    Sr DBA
    eBayPayPal
    Jan 2005 - Jan 2007 (2 years 1 month)
    • Production DBA. Responsible for all production databases, including multi-TB, high throughput OLTP Systems on Sun, and Linux platforms and Hitachi SAN storage. • Oracle 9i RAC migration from IBM AIX to Sun Solaris. Involved in the whole setup, configuration and migration of the RAC database using shareplex. • Represented database team in Joint Architecture and Design meetings. Decision maker in new architectures, software, and procedures. • Worked with Product Development on constant SQL tuning regime. • Push lead for various product development releases for PayPal site. Involved in the whole life cycle of the planning, development and implementation of the new features to the site from the database perspective. • Mentored the developers
  • F
    DBA
    Fisher Scientific IncNow a part of Thermo Fisher Scientific
    Dec 2003 - Apr 2005 (1 year 5 months)
    Optimization of complex discoverer SQL queries for oracle data warehouse database sized more than one Terabyte. • Resolved performance problems by use of appropriate hints, indexes, dbms_stats, reducing consumption of system resources and user application run times. • Troubleshooting problematic data warehouse loads using dynamic performance views, explain plans, tkprof and statspack. • Performance tuning of the database, which included memory tuning and I/O using utilities like Oracle Enterprise Manager, Oracle Expert, Instance Monitor, statspack etc. • Installation and configuration of oracle 9i and 10g databases • Lead the effort to resolve production issues with core group of members from VOS (VERITAS, Oracle and Sun) and Oracle support
  • AETN
    Consultant
    AETN
    Sep 2003 - Dec 2003 (4 months)
  • P
    Senior Software Engineer
    Patni Computer Systems
    Aug 1999 - Sep 2001 (2 years 2 months)
Education verified_user 0% verified
  • National Institute of Technology Kurukshetra
    Bachelor of Technology (BTech
    National Institute of Technology Kurukshetra
    Jan 1995 - Jan 1999 (4 years 1 month)
Publications verified_user 0% verified
  • A
    Netflix Billing Migration to AWS
    Aug
    Describes in detail how to get a complicated database migration right. The article gets in depth with the challenges encountered during the migration, choice of the tools, lessons learnt and details of the tunings.
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