VIRENDRA KUMAR SHARMA

Gap Inc. (Oct 2021 - Present)

• Designed BFF (Backend for frontend) solution for user sign-in, HTTP requests proxying and identity/token management for different Gap Inc customers/accounts/brands.
• Above is part of overarching apps modernization raging several sub-divisions of commerce division which involves user authorization using OAuth2.0's PKCE enhanced authorization code based workflow engaging systems not limited to ping (a token generator) and apigee (token authorization).
• Exercised some of the modern set of tools and technologies not limited to spring cloud gateway , project reactor /webFlux, java 17, functional programming , async/non-blocking/reactive programming (for better resource utilization and therefore an improved throughput), circuit breaker & Retry (resilience).
• Designed and coded solution to migrate 130 million Gap Inc accounts from their existing store (oracle) to new store (pingDirectory, a hierarchy based data storage system) involving Apache Kafka and set of monitoring tools to gain more control and resilience over.
• Ensured tight cooperation with other engineers, designers, and stakeholders through active listening, systematic communication, and leadership skills.

Marcus By Goldman Sachs. (March, 2020 - October, 2021)

• Designed and coded APIs security backed by Open Id Connect & JWT using spring security.
• Built state based framework for account onboarding that was leveraged by different brands under their wealth management division.
• Low level designed and coded framework to perform RxJava batch, leveraging parallel computing.
• Built Jersey and spring bootified services for some of their complex business functions viz. transactions, deposits reconciliation with custodian, real time market pricing of stocks/securities etc.
• Low level designed and POCed real time analytics set up involving Mongodb , Apache Kafka , Apache Flink , Data Lake, SAP IQ & Tableau.
• Low level designed and coded framework for resilient, time bound & retry-able workers (using RxJava & Delegates).

Cardinal Health (August 2019 - March 2020)

• Low-level designed E2E (Hybris PCF) order checkout including necessary validations, payment gateway, shipping & Order Summary.
• Prototyped different cloud concerns implementations including distributed tracing using Spring Cloud Sleuth, fault-tolerance using Resilience4J, RabbitMQ integration using spring-cloud-stream and set up their best practices and implementation guidelines across teams.

Chanel (April 17 - July 19)

• Designed high level and low-level designs for different integrations viz. Catalog import/export , CyberSource , PayPal , Href Lang Import/export to different Chanel Platforms.
• Low level modeled product catalog to contain country specific data assortment.
• Automated generation of market specific Hybris artifacts (Impexes, Cockpits XMLs, localizations (type and base) etc.), a small spring boot application.
• Parallelized catalog import implementation using JAVA 8 CompletableFutures.
• Contributed in Git branching and merging strategies for different releases across environments.

L'Oréal (August 16 - April 17)

• Low level designed and coded emailing architecture using industry prevalent patterns.
• A custom rules validation engine was conceived and implemented single handedly on feed consumptions from different source systems via data hub.
• As part of country/brand onboarding automation, architected in turn implemented an independent sub-system using Spring boot and Spring data.

Ralph Lauren (March 2015, August 2016)

• Implemented PayPal (Online Payment system) integration for Ralph Lauren single handedly.
• Developed a reusable Hybris extension of order export to Manhattan Associates that leverages Hybris's order fulfillment using Hybris process engine.
• Integrated Hybris to send Transactional/Marketing Emails payloads to eDialog(A third party email marketing system)

Advisor and Wealth Management Services

• Contributed in implementing AKKA (Actor based parallel programming framework) across all AWM Rest API.
• Implemented POC on services registry and discovery using Mesos Marathon and Docker.
• Single handedly set up WSO2's governance registry and made it custom features rich.

Bell Mobility Inc.

• Used Struts2 as MVC pattern, Registry/Factory pattern for services registration, Axis2 for SOAP based Web service implementation and Jaxb for xml message creation in addition to FTL for view.