Dec 2023 – Apr 2024 · 4 mos · San Francisco Bay Area · Hybrid

• Took it from Open Source project to a VC-backed startup (Raised 1.5M from The House Fund, SecureOctane, angels from Next47, and YCombinator founders)
• Signed a design partner project (NSF backed) championed by a Research Scientist from UW Madison

Sep 2022 – May 2023 · 8 mos · San Francisco Bay Area

• Helping spread the word about Postgres - The world's most advanced open-source database

Aug 2022 – Jul 2023 · 11 mos · Chico, California, United States · Hybrid

• https://badges.education/Chico/el-lvignesh-ravichandran/
• Member of the Engineering Leadership Advisory Council
• Helping engineers in the early stage career with mentorship

May 2019 – Nov 2023 · 4 yrs 6 mos · San Francisco Bay Area

• Responsible for Cloudflare's mission-critical databases.
• Responsible for Cloudflare’s OLTP databases which back >20% of the Internet and serve 55 Million req/sec
• Reported to the VP of Engineering; Mentored team members and promoted them to Staff & Principal
• Built a team in Asia, and EMEA and reinforced the team in NA to provide a follow-the-sun model
• Architected a Distributed Postgres cluster spanning multiple AZs and regions that can failover and recover within 30 seconds
• Worked with product teams to set SLA/SLOs of the Postgres platform which is cumulative of 100TB
• Contributed to Open source projects such as Stolon, Postgres, PgBouncer, WAL-G
• Upgraded our Postgres clusters from 9.5/9.6 to 14.4 and OS from Debian Jessie/Stretch to Bullsye with less than a minute of downtime.
• Built a chaos monkey framework to test the resiliency of components in the Postgres eco-system
• Migrated the Postgres environment to be FedRAMP compliant which led to a 7.2 Million federal contract
• We are hiring. https://boards.greenhouse.io/cloudflare/jobs/3585928?gh_jid=3585928

Nov 2016 – May 2019 · 2 yrs 6 mos · Greater Los Angeles Area

• Currently working on migrating various RDBMS and NoSQL databases to AWS.
• Technologies:
• Oracle, MySQL, Mongo, Aurora, RedShift, Python

May 2016 – Oct 2016 · 5 mos · Louisville, Kentucky Area

• Providing database support for 100 plus databases running on Postgres, SQL Server, Oracle and GreenPlum.
• Planning and migrating the oracle RMAN backups from HP's Data Protector tool to Dell's NetVault.
• Building a continuous data integration environment using tools like Git, BitBucket, TeamCity, Octopus, and Red Gate's add-on.
• Working on continuous data replication on Postgres databases (approx 2 TB) between production and lower environments using symmetry tool.

Aug 2015 – Jul 2016 · 11 mos · Fayetteville, Arkansas Area

• Performing web scrapping on various online sites using Python to draw insights from customer reviews.
• Designed and built a replica set sharded Mongo Database for the online web scrapping tool.
• Database monitoring using cloud tools and involved in pro-active measures for maintaining the High Available systems.

Jun 2013 – Jul 2015 · 2 yrs 1 mo · Chennai Area, India

• Administered over 300+ Oracle, and Progress production databases along with their corresponding development, and test databases.
• Active member of the Performance Tuning team, and resolved 20 plus SQL related issues in batch jobs.
• Automated database refresh in Oracle and Progress databases which were hosted in Linux environment using shell scripting. The script helped the team to complete the refresh by 30% faster than manual method.
• Performed Data Guard broker setup, Disaster Recovery , and Database restorations using RMAN utility
• Key responsibilities handled:
• Performed database cloning in QA from a production database of size 1 TB using RMAN active duplication
• Reduced the CPU Consumption of a Database Server for a critical application from 90% to under 5%.
• Fine-tuned 20 plus PL/SQL application packages and the packages executed 4 times faster than before.
• Contributed to space regain project, and helped the team to regain space of around 1TB using Oracle Advanced Compression option.
• Fixed approximately 6000 odd violations as being a SCRP and ISCRP specialist.
• Carried out Database, and Tablespace Point in Time recovery during multiple DB crash incidents.
• Recognized as Build Champ for successfully completing 25 Database builds in three months.
• Implemented database migration, upgrade and patch activities on 15 Linux production servers.
• Engaged in the SGA standardization project which proactively avoided the shared memory issues.*

Jun 2012 – Jul 2012 · 1 mo · Trichy, India

• Worked on web based application ‘Billing and Inventory Management System'
• Modified the designs of legacy websites which were created using HTML, CSS and XML.