Grew team to 30 engineers across the East and West Coasts of the U.S. with partners in Eastern Europe, and India.Helped lead an organization to maintain a 10 year double-digit growth period through hiring, organizational structure optimization, process improvement, and architectural evolution.Transitioned multi-billion dollar retail website to a cloud-native architecture running on Google Cloud.Scaled micro-services architecture to support 300% catalog growth in a single year.

Developed Omnichannel catalog strategy to centralize online and store catalog, pricing, inventory services serving customer-facing and in-store applications.Created and staffed a startup team within Macys.com to build a third-party seller integration platform and customer- facing website to extend into new product families and extend existing product assortment.Designed and built Macy's first NoSQL (Apache Cassandra) system and integrated Apache Spark for reporting and catalog data analytics.Simplified caching architecture to reduce time for dynamic inventory and price updates to reach customers.Refactored a monolithic e-commerce application to a microservices architecture for improvedscalability, fault tolerance, and speed of delivery.

Implemented new Inventory Management service to support multiple backend SORs, combine online and store inventory into a single API, and provide asynchronous, near-real-time notification of inventory changes to downstream consumers.

Migrated Macys.com to a multi-channel based architecture including consumption of store data on website and exposing of website data for use in store and mobile applications.Refactoring of Macys.com to achieve better natural search rankings.Performance tuning through optimization of Caching topologies.Site management optimization through JMX and shell scripts.

Internationalization of online banking website.Implementation of single use pass codes for two-phase authentication.JSF and Ajax toolkit research and prototyping.

Served as lead developer for a Web 2.0 (AJAX/JBoss portal) site to manage content for Vodafone Live mobile phone portal. Developed AJAX navigation tree, a framework to map HTTP calls to XML or JSON processors, and pages to manage site content.

Developed J2EE/WebSphere content management system to organize and manage layout of content and promotions for new versions of gap.com, oldnavy.com, and bananarepublic.com. Developed user interfaces using JSP, JSTL, CSS, JavaScript, and Struts plus thin-EJB, SOA tier for business functions and data access layer using iBatis Object/Relational mapping framework.

Lead Programmer for java-based website selling BBC stock footage online. Integrated Autonomy search engine to search catalog and content, developed shopping cart and checkout flows on ATG commerce platform, integrated Cybersource payment gateway, and integrated incoming and outgoing emails from the site.

Lead Java/J2EE Programmer for a project streamlining the product development cycle. Designed overall software architecture, established software design, development, and testing standards and processes. Implemented business and data access layers, which accesses multiple Target systems and Enterprise DB2 databases.

Developed E-commerce websites for Musicland Group, Restoration Hardware, Estee Lauder, Barclays Global Investors, Joann Crafts and Fabrics, Cambridge University Press, and The North Face. Customized Catalog, Shopping Cart, Checkout, and Profile components of ATG Commerce. Developed custom, web-based system to administer online catalogs. Created build system, code and data deployment process, and configured production environments. Integrated ATG Commerce system with third party fulfillment/inventory, product management, email, and shopper affinity systems using Java, Perl, and C++ .

Developed server code using C, SQL, and Tuxedo for a client-server, Calling Card provisioning system.Maintained and improved batch process to generate files to send information to external billing system using Perl and shell scripts.