Mar 2018 – Feb 2019 · 11 mos · Tokyo, Japan

• ● Assisted 200 developers and QA Engineers for the release of their services
• ● Development environment setup on openstack to test bug fixes and feature releases
• ● CI owner for the openstack development environment for the group
• ● Developed and improved scripts for deployment and environments setup
• ● Monitoring system setup for the distributed system
• ● Reduce aws cost for the operation team
• ● Reduce nexus disk full problems queries around 80% by separating disk and alert setup product-wise
• ● Freed nexus disk around 20% by removing unwanted artifacts.
• ● Technologies involved: Jenkins, AWS, Ansible, Docker, Kubernetes, Openstack, Prometheus, Grafana

Apr 2017 – Feb 2018 · 10 mos · Tokyo, Japan

• ● Developed payroll and payslip Java batches used for salary calculation
• ● Responsibilities include maintaining batches and front screen related with payroll and payslip
• ● Implemented feature which reduced the execution time of payroll batch
• ● Investigated for payroll unit deployment process and suggested for improvement
• ● Technologies involved: Java, Cassandra, Postgres, Oracle, Javascript, Spring Framework

Oct 2014 – Mar 2017 · 2 yrs 5 mos · Tokyo, Japan

• “Rakuten Super Point Management System”
• ● Core member of Rakuten Global Points team
• ● Developed REST APIs for points management including grant, redemption and cancelation
• ● Designed 3­tier architecture and implemented business logic layer including data layer
• ● Implementation of test cases covering all business use cases as well as unit tests
• ● Technologies involved: Java, Cassandra, Gradle, SpringBoot
• “Performance Testing Internal Tool“
• ● Designed specifications and implemented performance testing
• ● Improved API performance
• ● Technologies involved: Gatling, Gradle, Scala, bash
• “Rakuten Super Points Internal Support Tool”
• ● Developed management tool for granting and redeeming Rakuten Super Points from scratch
• ● Technologies involved: frontend : PHP, Symfony Framework, Middleware : Redis, Java
• “Points System Simulator”
• ● Developed system in order to simulate traffic of old system on new system
• ● It includes input data creator from large csv files and replaying it on new system
• ● Technology involved: Java
• “Data migration batch”
• ● Developed batch in order to migrate data of Rakuten users from Mysql to Cassandra
• ● Technology involved: Java

May 2013 – Jul 2013 · 2 mos · Bengaluru, Karnataka, India

• Machine Learning in Big Data
• Worked with team of automation control system (ACS) which deals with securities
• Used hadoop along with python to implement k-means clustering to detect anomaly in big datasets
• Used statistical information along with hive to construct clusters using hive database and thrift server
• Tracked ip addresses accessing blocked sites and analyzed their behaviour

Jul 2011 – Jan 2012 · 6 mos · Mumbai, Maharashtra, India

• Infrastructure setup and requirements of Techfest ’12
• Responsible for content-generation and conducting technical events, which included android app
• making workshop, Hacktrack and robotics workshop
• Led a team of 10 organizers to organize WALL-e and Devil Dozer, that received participation from 120 teams and an overwhelming response from viewers

Aug 2010 – Aug 2014 · 4 yrs · Mumbai, Maharashtra, India

Aug 2010 – Dec 2010 · 4 mos · Mumbai, Maharashtra, India