1) Hardware Designer and consultant at S.s Designs Jan-2014 to Sep-20172) Intern at Quihoo 360 China for Server management. Oct- 2017 to Dec 20173) A part-timer and consultant at AnyTech Technology Kolkata for Hardware procurement and design analyst for IoT implementation and server architect.2017-present.4) Designed a simple device for asset tracking for a non-disclosed company 2017.5) Designed and implemented College Management System with attendance System 2018.6) Working at RTSTL as a backed dev ops and system architect. Mar 2018 to may 2019. 7) Designed and implemented a worker management system with biometric attendance and automatic salary calculation. 20198) Web based Server administrator and automation software development and integration 2019.9) Inventory management, CRM, Invoicing system all integrated in a single hybrid application package for POS for a chain grocery and food mart. 201910) C.T.O. at Bookleaf Learning PVT LTD. Managing And directing all the business and technical side of backend, mobile application, server and network integrations.2019-Present