Mar 2016 – Feb 2017 · 11 mos · Bangalore

• In my role as an OE III at Flipkart in Bangalore, I focused on capacity optimization for Hadoop and Ceph, ensuring efficient data processing. I managed system uptime SLA's, implemented Ansible for Hadoop Stack deployment, and re-architected streaming and ETL systems to improve data availability.

Jan 2015 – Mar 2016 · 1 yr 2 mos

• Managing low latency data streaming systems and processing of PetaBytes of data on Hadoop.
• Evaluation of new technologies.
• Product design, Evaluation & Operability of new Products.
• Performance Tuning & Service uptime
• Commissioning & Management of clusters in a healthy state at all times
• Migration of application and data from legacy systems
• Storage/Network & Compute Capacity Planning
• Writing custom plugins to enhance monitoring and operational stability of the cluster.
• Standardization of Hadoop access levels among users using Puppet and other tools
• Integrating Ganglia, Nagios with Hadoop Metrics to have an effective monitoring System in place to detect errors in real time
• Involved actively in hiring and leading the team in achieving and delivering projects on time
• RCA’s of outages and incidents
• Alerting and Monitoring framework implementations

Oct 2011 – Dec 2014 · 3 yrs 2 mos

• Managing low latency data streaming systems and processing of PetaBytes of data on Hadoop.
• Evaluation of new technologies.
• Product design, Evaluation & Operability of new Products.
• Performance Tuning & Service uptime
• Commissioning & Management of clusters in a healthy state at all times
• Migration of application and data from legacy systems
• Storage/Network & Compute Capacity Planning
• Writing custom plugins to enhance monitoring and operational stability of the cluster.
• Standardization of Hadoop access levels among users using Puppet and other tools
• Integrating Ganglia, Nagios with Hadoop Metrics to have an effective monitoring System in place to detect errors in real time
• Involved actively in hiring and leading the team in achieving and delivering projects on time
• RCA’s of outages and incidents
• Alerting and Monitoring framework implementations

Mar 2008 – Oct 2011 · 3 yrs 7 mos · Bengaluru Area, India

• Grid Applications and Core Infrastructure Team
• Ensuring Uptime and performance SLA of a cluster hat was used processing Peta Byte of data
• Reviewing Applications that are adopting map-reduce framework from legacy standalone code and ensuring the applications follow best practices and standard processes to make them manageable in production
• Ensuring up-time for Data Modeling and Data processing pipelines on Hadoop
• Planning releases and follow up on pending action items across teams
• Release planning and ensuring release dates are met.
• Scripting & deploying monitoring tools & packages
• Procuring, Imaging and Application setup on hosts
• Ensuring uptime for hosts and to deliver processed data at a defined SLA
• Managing the Yahoo Publisher network back-end processes which crunched multiple TB's of data from across the globe on multiple clusters

Jan 2007 – Mar 2008 · 1 yr 2 mos · Bangaon Area, India

• Leading the team for the Indian portal [ www.edurite.com ]
• Development of web services which were used to exchange information with other partners in real time.
• Implementation of an SSO interface and integrating the portal with MSNIQ.
• Developing and maintaining the scheduling module of the portal which managed over 500 tutors and 10k Students from different regions.
• Customizing open source applications such as OS-Commerce and PHP List.
• Developing solutions that help the organization to provide online training to students overseas.
• Designing the flow and UI for the modules and development of the core modules

May 2005 – Nov 2005 · 6 mos

• Customizing an open source application (SQL Ledger) for clients by adding new features and modifying the available functions of the application.
• Involved in adding modules such as pay roll, online payment tracker, inventory maintenance.
• Involved in designing database schemas for the newly added modules and also in creating the interfaces for the same.

Jan 2005 – Jan 2007 · 2 yrs

• Integration of a UNIX based program suite [ GCG ] into a work flow application that can be accessed from windows or any supported web interface..
• Developing components for Pipeline pilot
• Product was designed to be supported on Linux, Solaris and windows using a single code base.
• ● Maintaining the web application SeqWeb.
• ● Deployment scripts using bash & Perl to deploy application across various Operating systems.
• ● Involved in the knowledge transfer during the acquisition of another company (SciTegic) in UK.
• ● Designing and Development of the product using a web server that interfaced between the client and server.
• ● Involved in development and design of the server side scripts, modules and also the design of the component on the client side.

Dec 2004 – May 2005 · 5 mos

• Developed CAD & ERP applications for the textile industry

Mar 2001 – Jul 2002 · 1 yr 4 mos · Ooty , India

• Involved in developing a solution for the plantation industry in the Nilgiris that would record the daily transactions in the plantation such as allocation of jobs to staff, attendance and also track productivity of each staff.
• Contributed to developing interface, a web based and window based interface.
• Worked on developing an application that was used to record the details of all the transactions in a hospital as well to keep track of the patients and their records.