• Designed and implemented an optimized distributed scheduler • Led the team to design and build Global Search micro-services based on Elastic Search and Google Cloud Services (Datastream, Dataflow, Airflow, PubSub, etc.)• Contributed to analyze, design and build events driven distributed architecture framework (Golang) for building micro-services• Led the team to design and build base wrapper libraries (Golang) for CQRS, SAGA, Outbox, Database, Logging and Instrumentation• Helping feature teams to follow design best practices for building micro-services in event driven distributed architecture

• Contributed to analyze, design and build events driven distributed architecture framework (Python) for building micro-services• Led the team to design and build base wrapper libraries (Python) for CQRS, SAGA, Outbox, Database, Logging and Instrumentation• Led the team to design and build base micro-services (User Management, Regions, Currency, Points Transaction, etc.)

• Redesigned marketplace checkout service to optimize performance and support active-active server architecture• Redesigned marketplace order processor service to reduce complexity for new vendor integration, and enhance overall performance• Guided the feature team as technical lead to solve technical issues and follow best practices• Actively involved in source code reviews of feature team and cross teams

• Designed and implemented vendor integration (Blackhawk Network, Keystone, Order Central, etc.) with marketplace order processor service• Helped the team to learn and follow scrum process to improve team performance• Actively involved in source code reviews of feature team and cross teams

• Studied and analyzed technical specifications of EMV, GlobalPlatform, Visa, MasterCard and ISO related to Smart Card based Security and Payment solutions• Prepared project scope document and requirements specification document for customer, management and development team to clarify the project goals• Actively involved in the architecture, design, development, testing and deployment of various enterprise solutions such as KonaPayment Platform, Common Personalization System and Key Management System• Guided team and organization to use Agile/Scrum practices to get the most of out self organization• Actively involved in source code review of assigned team and cross teams• Participated in global financial exhibitions (Cartes in Paris, Money20/20 in Las Vegas) with technical marketing team to give technical demonstration of KonaPayment Platform & Card Personalization System

• Contributed to the analysis, design and development of Food Navigation System• Performed customization on existing systems (Accounting System & Inventory Management System) to adapt changing or new requirements from customers• Prepared design documents to clarify customer requirements with the help of different UML diagrams• Performed as lead developer for design and development of Admin Panel and a Data Transfer Module for Demand-Side Platform (similar to Google AdWords). Worked in Tokyo about four months for final customization, integration with core platform, testing, and delivery of the project to customer