Sumit Kumar Email & Phone Number

Mumbai, Maharashtra, In

Client: Nielsen, Project: Arthur Chatbot PlatformArthur Chatbot is an AI platform that aims at automating Nielsen production support needs (L1 and L2) via a smart chatbot.My role was to develop the chatbot platform with a level of generalization so that bot can be adopted easily in any project.Responsibilities:● Utilized Google Dialogflow service for maintaining the chatbot user agents, intents, entities, contexts and webhooks.● Developed end user/helpdesk chat client for interacting with a chatbot using Angular and Websockets.● Developed python services to create Dialogflow entire user agent (chatbot knowledge base) by consuming a simple excel file.● Leveraged Nginx for load balancing the end user queries.● Developed python services to redirect user query to the helpdesk in a situation where the query is not part of bot knowledge base.● Integrated Google translate API to entertain end users’ queries received in multiple languages.● Developed python services to capture and persist all the conversation between the user and the bot in PostgreSQL. ● Integrated Google hangouts API to connect with the chatbot.● Performed Docker-based containerization along with Jenkins pipeline for CICD.● Worked on AWS Lambda, Gateway API and S3 for hosting backend components. Environment:Google Dialogflow, Angular, Python, PostgreSQL, Jquery, Web-sockets, AWS, Docker, Sonarqube, Jenkins, NGinx, swagger.

Mumbai, Maharashtra, In

Client: Nielsen, Project: CPS (Consumer Panel Services)CPS is a project of Nielsen Consumer Engineering which provides a platform for data collection of consumers.My role here was to build a robust backend that could cater to the CPS business needs in various global markets.Responsibilities:● Developed highly scalable micro service-based backend in Node.js and RESTful web services using Express web framework.● Delivered completely responsive and interactive CPS portal using Angular Material design components.● Designed the PostgreSQL database schema, DB replication, normalization, query optimizations and stored procedures.● Containerized the solution by leveraging Docker and created CICD pipeline in Jenkins.● Configured Twistlock to identify vulnerabilities in the application docker base images.● Integrated GSA (Google Search Appliance) for delivering enhanced enterprise search capabilities.● Created and configured application Infrastructure environment on Azure Cloud. ● Mentored a globally distributed team of 15 resources on MEAN stack and Scrum.Environment: Node.js, Express, Angular, Python, Azure, PostgreSQL, Docker, Twistlock, Sonarqube, Jenkins, GIT, Agile (Scrum), swagger.

Mumbai, Maharashtra, In

Client: Nielsen, Project: ShopperWalkShopperWalk is a Nielsen product that drives digital transformation in analyzing shopper behavior inside a retail store.My role was to develop the backend that could receive, process, aggregate & visualize data from multiple input streams. Responsibilities:● Developed backend system which comprised of node.js and Java-based microservices. ● Development of REST & SOAP-based web APIs in Java Spring and node express framework.● Developed interactive UI with visualizations like heatmaps using PaperJS, jQuery with HTML5 Canvas, CSS3 and web sockets. ● Designed the MySQL database schema and was involved in MySQL optimization.● Performed Docker-based containerization along with Jenkins pipeline for CICD.● Worked on AWS Lambda, Gateway API and S3 for hosting backend components.Environment:Java 8, NodeJS, PaperJS, MySQL, Jquery, Web-sockets, AWS, Docker, Sonarqube, Jenkins, GIT, Agile (Scrum).

Mumbai, Maharashtra, In

Client: Nielsen, Project: GTAMGTAM is a strategic program of Nielsen which aims at delivering Global Television Audience Measurement ratings by capturing the details of the TV content watched by the Nielsen Panel via an embedded product known as GTAM meter.My role in this project was to develop a web-based SPI (Single Page Interface) using which GTAM meter was configured.Responsibilities:● Developed highly optimized and responsive SPI using ExtJS to reflect the real-time state of GTAM Meter using web sockets.● Worked on socket programming in Python and PHP to connect with device firmware services. ● Development of RESTful APIs in Python Tornado and PHP CodeIgniter framework.● Containerized the application dependencies using Docker.● Leveraged SQLite to address the database needs on the GTAM meter embedded device.Environment:Python, PHP, Code Igniter, ExtJS, JS, HTML, CSS3, Web-sockets & SSE, SQLite.

Mumbai, Maharashtra, In

Client: HP (Hewlett Packard), Project: SMSSMS is an HP web-based platform that aims to deliver HP wide range of printing and marketing solutions to its clients for their campaigns.My role was to develop a highly scalable, reactive and optimized CMS with features like asset bank, reporting tool, campaigns adaptation & collaboration widgets. Responsibilities:● Developed microservices in Java, Python and Node.js and RESTful APIs in Java Spring, tornado and express framework.● Delivered frontend portal in Drupal with custom modules development, customization of existing modules and themes. ● Database migration from MySQL to PostgreSQL.● Overall performance tuning of the entire platform (both server side as well as frontend components).● Configured and Integrated Apache Solr for improving the search capabilities of the system.Environment:Java Spring, Python, Node.js, Drupal, PHP, PostgreSQL, Jquery, NodeJS, Apache Solr

Paris, France, Fr

Worked as Technical Lead for Capgemini Group Delivery account on the following Internal projects:1) km20.capgemini.com - project that serves as a global knowledge sharing and community platform across all Capgemini verticals and horizontals.2) wiki.capgemini.com - serves as standard internal wiki portal for entire Capgemini.3) delivery.capgemini.com - a project that serves as a platform for publishing the best-tailored industry standard practices, methods and frameworks implemented in various solutions delivered by Capgemini.4) GSA COE - Capgemini COE group that helps in facilitating education and integration of Google Search Appliance for addressing the need for enterprise-grade search capabilities in various projects.My role a tech lead was to ensure delivery of highly optimized and scalable web-based applications for above-mentioned projects.Responsibilities :● Developed the backend components in Java, Python and Node.js.● Delivered the knowledge sharing platforms frontend using Ext.js, Drupal and PHP.● Designed the MySQL schema, DB replication, normalization, query optimization & stored procedures.● Delivered enhanced performance by optimizing various layers at client side, server-side and database.● Integrated Google Search Appliance for delivering enterprise search capabilities on the web portals.Environment:Java, Python, Ext.js, Node.js, Drupal 7, PHP, MySQL, JQuery, JavaScript, GSA.

Noida, Uttar Pradesh, In

Indian Express Online Media Pvt. is a venture of The Indian Express group which aims at delivering digital services in the media domain for online news readers.My Role in this company was to develop a generic news centric CMS to support major news portals of the organization like IndianExpress.com and FinancialExpress.com.Responsibilities :● Delivered highly optimized news portals developed in Wordpress and PHP.● Developed highly optimized CMS backend components like Java and Python.● Integrated Apache Solr for improving the search capabilities on the portals.● Configured SonarQube for code coverage & static code analysis.● Implemented Hudson CI PipelineEnvironment:Java, Python, Wordpress, PHP, PostgreSQL, Hudson, SonarQube, JavaScript, JQuery, Apache.

Noida, Uttar Pradesh, In

Extramarks.com is an E-learning portal that aims to bring students, teachers and parents on a singleplatform which allows students to access learning solutions mapped to their curriculum at home.My role was to develop & revamp a number of front-end & server-side components modules.Responsibilities :● Delivered Extramarks.com portal by developing frontend in PHP, Jquery and Bootstrap.● Developed Java-based backend in Struts framework, JSP, Beans and Servlets components.● Optimization of Extramarks.com which included optimization of PHP, MySQL & Apache.● Learned and implemented SEO best practices to increase organic traffic on the portal.Environment:Java (Struts, JSP, Beans, Servlets), PHP, MySQL, Apache, JavaScript, JQuery, BootStrap, CSS, HTML

Bachelor Of Technology (B.Tech.), Computer Science

Aissce, Computer Science