Jun 2017 – Jul 2019 · 2 yrs 1 mo · Mumbai Area, India

• Reliance Jio is an Indian Telecom Operator with a user base of more than 300 million (as of jan 2019) within a span of 2 years since it launch in Sept 2016
• Building India's Biggest and One of Asia's Biggest On-Prem Hadoop Data Lake based on open sourced technologies.
• Part of Reliance Jio Big Data Centre Of Excellance Team :
• Building Jio Big Data Analytic Framework using open sourced technologies
• Building efficient & reliable data pipelines to move, transform and build usecases on the data. Churning ~1Petabyte data daily (network, customer, device centric data)
• Providing deep expertise and performace tuning on various big data technologies, mainly Spark, Hive and SQL on bigdata (more depth than width)
• Streamlining the visualization platform for our big data lake with design and building of inhouse monitoring and audit frameworks
• Active member of internal Design and review board to ensure smooth project delivery and maintain standards
• Build a rich set of knowledge base with how-to-guides, tips and tricks, self-service videos etc. for consumption by internal teams across Jio.
• Mentoring team mates/new joinees/interns

Apr 2017 – Jun 2017 · 2 mos · Gurgaon, India

• Building Vendor Onboarding System with dynamic assignment creation and automated test and code evaluation.
• Designed microservice based global authentication system supporting social logins.
• Creating fully automated CI build and deployment infrastructure and processes for multiple projects
• Designed REST APIs that allow effective and low cost application integration.
• Tech stack :
• Frameworks: Angular, Ruby on Rails
• Database : Mongodb, mysql
• IaaS: AWS

Jul 2015 – Mar 2017 · 1 yr 8 mos · Delhi Area, India

• Part of the core team that built Shopo - a startup within snapdeal. Shopo is a leading C2C ecommerce platform for over 200k small businesses and individual sellers with deep functionality around chat, commerce and social.
• Tech stack :
• >Backend : Java microservices, Ruby on rails, Ejabberd(erlang), Python
• >Frontend : Ruby on rails(Ruby, Js, html, CSS), Strophe.js
• >Search : Elastic Search
• >Database and datastores : Mysql, Redis
• >Messaging System : Kafka
• >Analytics : Google analytics, Mixpanel, Custom Modules, Sendgrid
• >CI/CD : Jenkins, Nexus
• >Monitoring : Nagios
• >Testing and QA : Jmeter, Tsung, Postman, Charles
• >IaaS : AWS
• >Image store and Optimizations : Cloudinary
• >CDN : Akamai
• Systems I have worked on :-
• C2C Chat ( Backend : Java, Ejabberd - erlang, kafka, mysql )
• Seller Web, Consumer Web , Admin Panel(Ruby on Rails, HTML, CSS, JS )
• Data Analytics (Mysql, Redis, Java, Ruby on rails)
• Application Gateway ( Java - Spring MVC)
• AI Chat Bots (Python - using AIML, Facebook Messenger Bots, Wit.ai, Howie)
• User Notification System (Ruby on rails, SendGrid, Typheous, Redis, Mysql, Kafka)
• 2nd Project :-
• FreeCharge(Subsidiary of Snapdeal) is an e-commerce company and FinTech.It provides an online service to recharge any prepaid phone, postpaid mobile phone, DTH cards and data in India.
• Working on Fraud Prevention System which keeps a check on fraudulent activities done via the platform.
• Building a rule based system supporting high concurrency which will be used in various app checkpoints to prevent unauthorized or suspicious activity
• Working with the Data Risk team and security team to build a scoring engine for predicting the nature of a current ongoing activity