Oct 2020 – Mar 2022 · 1 yr 5 mos · Bengaluru, Karnataka, India · On-site

• o As part of Data & AI group, worked in Dataflow Interactive SQL team, where we build platform to do interactive analytics on data lake. AWS Athena and GCP Big Query are system similar to the same.
• o Worked in OCI Big Data Service team. It is a fully managed, automated cloud service that provides enterprises with a cost-effective Hadoop environment. Customers easily create secure and scalable Hadoop-based data lakes that can quickly process large amounts of data.
• https://www.oracle.com/in/big-data/big-data-service/

Jul 2019 – Jan 2020 · 6 mos

• Working on Ship with Amazon initiatives enabling sellers to ship their products using Amazon logistics.
• o Designed and implemented a visibility system to monitor a driver's progress and package status across different delivery stations.
• Technology stack: Java, Google Guice, Spring MVC, SNS, SQS, S3, Lambda, Elastic Cache, AWS Lambda, CloudFormation, Git, DynamoDB.

Oct 2016 – Jun 2019 · 2 yrs 8 mos

• As part of the Last Mile Technology group, led multiple cross-team initiatives and owned end to end development process to build technology helping Amazon to deliver billions of packages worldwide.
• o Designed/Developed an in-house telephony system to support call routing, auditing, and masking for the LastMile Technology team.
• o Developed Gateway service for the LastMile delivery app.
• o Developed configuration service to support feature launch.
• o Developed various features for the LastMile delivery app.
• Technology: Dynamodb, AWS Lambda, AWS Redshift, AWS Elastic Search, SQS, S3, SNS, Kinesis, RESTful webservices, Google Guice, Google Guava, Spring boot, Gradle & Android.

Jul 2015 – Oct 2016 · 1 yr 3 mos · Bengaluru, Karnataka, India

• Part of Customer Service Experience Team, responsible for post-order customer experience. We were a team of 2 SDE's responsible for anything which you do on the Flipkart website since order is placed like cancellation, return, help centre, ticketing system etc.
• o Designed & Developed a proactive communication engine reducing the anxiety level of customers and leading to low inbound calls.
• o Developed a workflow engine containing various workflows related to post order actions like Cancel, Return, Schedule Delivery, etc.
• o Design & Developed Restful web services for supporting Self Serve post orders pages like Help Center, MyOrders, Order Details, Order Confirmation, Contact us, etc.
• o Efficiently used algorithms and data structures in various projects.
• Technology used: Java, Scala, Akka, Postgres, RabbitMQ, Kafka, ElasticSearch, Dropwizard, Guice, Hystrix.

Dec 2013 – Jun 2015 · 1 yr 6 mos · Greater Hyderabad Area

• o Developed RESTful web services for Computational Drug design and discovery platform (Seurat/LiveDesign).
• o Redesigned and refactored backend architecture to improve reusability, maintainability, testability and developer productivity.
• o Architected and implemented a project to migrate data from one product to another so that users can easily migrate from the old product to new.
• o Designed and implemented Box plot and Heat Map for data visualization.
• o Developed in house caches for data retrieval of visualization charts.
• o Designed and implemented an email notification feature.
• o Rewrote many features to improve the quality, scalability, performance, and security of the product.
• Technology stack: Java, Apache CXF, MongoDB, Spring, Hibernate, Google Guice, jUnit, Mockito, and OAuth 2.0.

Jun 2012 – Dec 2013 · 1 yr 6 mos · Greater Hyderabad Area

• Was part of the Casino group developing the backend for online games and tools for game development.
• o Recruited from university in a leading online real money gaming company.
• o Developed Restful web services for various online real money games like Casino, Poker & Slot games.
• o Developed a real money Slot game Bubble Safari in association with Zynga.
• Technology stack: Java, Spring, Servlet, JSP, JDBC, RESTFul services, Html, jQuery, JavaScript, Backbone.js, CSS, jasmine.js.

Jul 2011 – Apr 2012 · 9 mos · Greater Bhopal Area

• Coordinating Training and Placement activities for Computer Science Department at NIT BHOPAL

May 2011 – Jul 2011 · 2 mos · Greater Bhopal Area

• Linux network and system administration. Developed chat plugin for squirrel mail server.