Jun 2016 – Sep 2016 · 3 mos · Bengaluru, Karnataka, India

Nov 2015 – Jun 2016 · 7 mos · Bangalore

Sep 2014 – Oct 2015 · 1 yr 1 mo · Bangalore

• MANAGEMENT
• Managing the project and people (team of 12 members – 10 developers, 1 admin, 1 tester)
• Reviewing the code and giving coding guidelines.
• Handling change requests.
• Train team members and distribute work according to ones capacity/talent.
• Handled multiple projects of duration 1 week to 2 months simultaneously.
• Built the team from scratch, by hiring appropriate candidates according to need.
• TECHNICAL
• Complete ownership and responsibility of production infrastructure tuning, alerts and monitoring, providing near 24/7 support during critical moments.
• Developed end-to-end scalable, generic system using Tungsten Replicator, which is implemented currently for mailers, event-driven requirements and audits.
• Implemented end-to-end Akamai DSA platform for scalable content delivery.
• Implemented key recommendation modules using Apache Spark, Solr, HBase .
• Instrumental in architecting the API system for mobile app using laravel.
• Managed infrastructure consisting of multiple mysql masters, and slave topology, mutiple webservers, haproxy , virtual machines, mongodb.
• Improved the website page load performance by various means of caching, image optimization, compression, lazy loading .
• Carried out multiple integrations with third party api.
• Implemented basic security features to prevent bot/scrapper surge, mysql injections, auto blocking of ips.
• Re-architected the search engine to fetch hotel prices from different vendors .
• Ensure that website works well during massive marketing campaigns and peak season by scaling up and caching mechanism.
• Involve in product development to ensure basic SEO hygiene.
• Giving updates to Senior management for possible use case of better technology/tools and implement them.
• Extensively used Solr for autosuggest, fuzzy match using various lucene filters, spell check, more like this e.t.c. and coupled the scoring mechanism with search stats to improve relevance to suit the business needs.

Jan 2014 – Sep 2014 · 8 mos · Bangalore

• MANAGEMENT
• Managing the project and people (team of 4 members – 3 php developers, 1 tester)
• TECHNICAL
• Major refactoring of code for standardization and scalability/re-usability .
• Complete re-vamp of search engine for mobile app, mobile website and main website, which includes incorporation of distance aware search which is quite critical for this business.
• MySQL tuning and optimization for keeping the hardware requirement within budget
• Reduced server need by optimizing solr and sharing it with easyrec machine.
• Developed infrastructure for data capture, hence reducing data loss. Utilizing captured data to improve the search engine performance, as well generate metrics for sales/marketing.
• Installed Semantic Mediawiki, and rolled it for internal document management.
• Implemented major changes in SEO for all the key pages of website for increasing organic traffic.
• Critical Database schema changes for increasing response time, decreasing duplicity and complexity.
• Major corrections in analytics and tracking.
• Currently planning and integrating question&answer module into the website to increase customer engagement (using http://www.question2answer.org/).
• Used search data to feed in collaborative filtering algorithm of Mahout on hadoop to generate user-item and item-item recommendations, these are still under beta and have to integrated in live environment. These recommendations are unique in sense that utilize google analytics tracking code as such they also apply for frequent no-logged in visitors.

Jul 2013 – Dec 2013 · 5 mos · Greater Delhi Area

• MANAGEMENT
• Managing the project and people (team of 8 members – 3 php developers, 3 java developers, 1 admin, 1 tester)
• TECHNICAL
• Developed real-time Job and JobSeeker classification system using Mahout and ActiveMQ as middleware.
• Developed Real time resume parser to extract , dates and skills out of resumes.
• Developed Real time Job Recommendation engine, JobSeeker recommendation engine.
• Instrumental in setting up MYSQL 2 node cluster setup for high availability, 3 slaves for read intensive processes
• Managed effective real time database load monitoring mechanism setup for ensuring zero-failure of website even under heavy load/traffic.
• Managed 2 Solr servers(one master, one slave with 15 cores) for serving 3 different search platforms and 2 recommendation platforms as well as resume parser.
• Developed Mailer campaign management/analytics system for optimal ROI, mailchimp integration for mass mailing, as well customized mailers. Dynamic mail content and timing changes according to individual users response to mailers.
• Management of over 30 different cron jobs to cater various background processes.

Jan 2012 – Jun 2013 · 1 yr 5 mos · Noida, Uttar Pradesh, India

• Worked for the client www.headhonchos.com. Instrumental in building up team of 6 members from scratch, exclusively for delivering cutting edge technical solutions for automating and reducing manpower/ manual intervention in recruitment process. Successfully delivered an ontology based semantic search and recommendation engines. These engines have been designed in Java along with Solr and graph database, providing an unparalled skills extraction and expansion technology which is currently under consideration of a patent. Developed and managing infrastructure involving multiple servers. Currently working on shallow parsing of unstructured data to extract the details of JobSeeker out of resumes of any format.

Apr 2009 – Jan 2012 · 2 yrs 9 mos · Noida, Uttar Pradesh, India

• Worked for the client www.headhonchos.com.
• Led a team of 6 developers to develop and deliver various modules involved in the live website.I have been involved right from initial draft of requirements, database design of website uptill the final launch in the market. I was involved in development of nearly all the modules. Optimizing ajax requests, HTTP requests according to business logic and peak level performance are some of areas which I have been involved during development of this web site.
• Right from the starting of the project I have managed development, UAT (testing environment) , production environments. This involved management of database synchronization through these platforms, and code management using svn, where we had the team working on multiple svn branches for development, bug fixes, testing and maintenance. I played an instrumental role into both coding and as a team lead to translate the business requirement into php code. Shopping cart, payment module, Search and recommendation engine (using Solr) were some of the critical modules which i had handled.

Dec 2005 – Jan 2009 · 3 yrs 1 mo · Noida Area, India

• Developed regression testing tool for testing framework setup. This tool was developed in perl and managed unit testing handling both postive and negative test cases. The tool offered managing individual and group test cases, to be run over single or multiple machines. It could also be fired in multi-threaded mode for bulk testing.
• Nightly runs, scheduled mailing of test results/reports options were provided in the tool setup. Test data integration using database and file options could be customized through tool settings.

Jun 2004 – Nov 2005 · 1 yr 5 mos · Bangalore

• Worked as a member of EDA R&D team, which provides EDA solutions to various other domains of TI. I was rewarded 'Award of Excellence' for stellar performance during the job tenure. Developed a front end EDA tool called ‘Sphinx’ which manages the ASIC flow (using Perl). The software utilized the application of graph theory. Acted as team leader to develop and deploy this tool in TI India DSP group. Visited France to work onsite with TI France (Nice) team to successfully carry out DV Compile of TI chip known as ‘Antara’ to be used in Audio devices. Converted around 40000 lines of VHDL code which represented TI chip Himalaya testbench and setup to VERILOG equivalent. Individually architected Static Timing Analysis and Cross Talk Analysis flow in perl/tcl using Synopsys PrimeTime which replaced the old flow used in TIIDSP group. Closely worked with chip designers to solve several issues related to Synthesis, DV Compile, Static Timing Analysis for SoCs currently used in Nokia and Yamaha products.

Mar 2004 – May 2004 · 2 mos · Chennai Area, India

Jul 2002 – Aug 2003 · 1 yr 1 mo · Bangalore

• Initiated the High power microwaves studies group. Developed simulation code for Large Signal Analysis of GYRO-TWT (a microwave device used in radar) in MATLAB/C and several other modules for variational structures. Carried out extensive experimental study/analysis of GYRO-TWT and modeling of I/O couplers using HFSS (High Frequency Structure Simulator).