Mar 2023 – Aug 2023 · 5 mos · Bengaluru, Karnataka, India · Remote

Oct 2021 – Nov 2022 · 1 yr 1 mo · Bangalore Urban, Karnataka, India

• Architect the Josh Platform, The Aim is to improve the App recommendation platform capability for Data scientists to run quick experiments and improve by continuous feedback loop.
• Spearhead the development of a contextual bandit framework, used content-based filtering for cold start and use Temporal difference learning(Q off policy) for control groups, LTV optimization, resulting in roughly 20 % increase in CTR and 7% improved LTV.

Jan 2017 – Sep 2021 · 4 yrs 8 mos · Bangalore · Hybrid

• Data Engineering | Big Data | Data Science | Rest APIData Engineering | Data science | Big Data | Data Science | Rest API
• Lead Data driven engineering using Hadoop, apache Spark, Data pipelines using Lambda Architecture. Building real time data pipeline, Running algorithm (Predictive analytics, Classification, Random Forest, feature Engineering, Dimensionality reduction, Unsupervised learning and Neural Network and Deep learning) on collected data and distribute final data using REST. The idea was to build an inhouse Trade monitoring/surveillance system which target to save a cost of 5 -10million $ annually.

Apr 2015 – Dec 2016 · 1 yr 8 mos · Gurgaon

• Design and Build a platform for global phone directory from scratch(holaa). The application we build are designed on micro service design approach. Responsibility includes Requirement gathering, Break the complex business requirement into small component or micro services,Evaluation of new technology stack, Provide HLD to engineers and sample code if required.
• Principle SRE role, Planning, coordination and execution of software / application / tool upgrades, patch and fix packs installation. Risk evaluation and mitigation planning.Evaluation of new technologies, POC, Requirement gathering and map complex requirement to simple code for Engineers.

Aug 2013 – Mar 2015 · 1 yr 7 mos · Gurgaon

• Responsible for writing new service as well as provide the design for the team members. Used message queue for asynchronous data transfer.
• Thoroughly work on Cassandra data model and well as performance tuning.
• Build Data ingestion pipeline using kafka for user actions into Hadoop and run analytical jobs in apache Spark to provide interactive dashboard using tablue .
• Working on popular Nimbuzz xmpp based messenger that handles huge traffic for millions of users worldwide.

May 2011 – Aug 2013 · 2 yrs 3 mos · Noida

• Working as Tech lead in VAS domain. Redesign global VAS subscription and renewal platform. Leading to handle 10x traffic smoothly with cost saving benefits of 50%.

Aug 2010 – May 2011 · 9 mos · Gurgaon, India

• Working with multiple geography teams on Performance attribution system. Its a big monolith application works in batch mode to compute and compute why a portfolio's performance differed from the benchmark and compute active returns. Build features in Performance attribution system. Improve performance of multiple functions by 50%, resulting better user experience.

Oct 2009 – Jul 2010 · 9 mos · Gurgaon, India

• Feature development and enhancement of existing service. Improving system performance is key for public website. Part of Agile Team and work with teams in multiple geography.

Oct 2006 – Oct 2009 · 3 yrs · Delhi

• Product Development.
• Communicate with Customer Representative via oral and written communications including Presentations/Demo.
• Delivering and implementing the project as per scheduled deadlines and extending post-implementation maintenance and support to the technical support team and client.
• Heavy concentration on Development tasks