May 2017 – Jan 2022 · 4 yrs 8 mos · Gurugram, Haryana, India

Jan 2015 – Nov 2016 · 1 yr 10 mos · Bengaluru Area, India

• My responsibilities included code reviews, working on query optimizations, handling a big piece by myself, deployment & any production bugs handling.
• It was an ad publishing platform that use to accept ad requests from advertisers & publish them to various platforms. Created end-to-end design & developed API for ad creative with various options, cron jobs to publish them to exchanges.
• Developed AppLift's Real-Time Bidding AdServing platform at scale which is capable of handling 20B AdRequests/Day with server-side latency under 30ms.
• Developed AppLift's Event Server for capturing Impressions/Click/Installs/In-App events. This system handles 1B events per day.
• Developed MVP for the Retargeting solution. This system listens to in-app events and retargets the user with dynamically built creative for products on which the user has shown interest in the past.
• Integrated exchanges like Mopub(Twitter), DoubleClick(Adx), Smaato, Nexage, Flurry, OpenX, Pubmatic, Vungle on OpenRTB protocol.

Feb 2014 – Jan 2015 · 11 mos · Gurgaon, India

• Worked on the development of Salesforce Application(using Apex) and its integration with TrainingCloud.com, the key product of uniRow.
• Worked on Bidstalk's Real-Time Bidding Ad Serving platform which implements data-driven algorithms to ensure relevant audience targeting for mobile ads.
• Developed a tool that summarizes and displays the detailed performance analysis of the sales force based on different assessment scores and competencies. The tool enabled top executives to evaluate the effectiveness of training programs.
• Develop the Salesforce Application and integrate with TrainingCloud.
• End to end responsibility of design and coding of Drupal modules (TrainingCloud.com)
• Wrote various Web API for SFDC

Nov 2011 – Feb 2014 · 2 yrs 3 mos · Noida Area, India

• Ownership of full module Registration Manager ~10K registration/day
• Ownership of all Naukri mails for jobseekers.
• Following agile methodology
• Handle multi-cloud application deployment.
• In addition, I also handle the complete communication business to allow all forms of correspondence between recruiters and jobseekers. This includes :
• 1. All emails traffic for Naukri which is in excess of 2 billion emails a month. The system allows all kinds of checks and balances including rate limiting, thresholding, mail scheduling, open rate and click-through management, thorough dashboarding and reporting, IP and reputation management, SPAM control, DNS management, SPF/DMARC management amongst other things.
• 2. All SMS traffic which is in excess of 50 million SMS's a month. This includes SMS gateway management, multi-vendor support, shortcode, and smart keyword creation and integration, DNC/NDNC management, inbound/outbound SMS handling, reporting, and auditing.
• 3. All Notifications on both Apps and Browser which is in excess of 300 million a month.

Jul 2010 – Nov 2011 · 1 yr 4 mos · Gurgaon, India

• SAP ABAP developer