As a Fullstack JavaScript Developer, I bring about 5+ years of experience in developing and deploying projects ranging from Enterprise Applications(EA), Single-Page Applications(SPA), Progressive Web Applications(PWA), and Software-as-a-Service(SaaS) applications. My skills include NextJS, ReactJS, NodeJS, ExpressJS, AWS Lambda, EC2, and S3 bucket, POSTMAN, REST APIs, GraphQL, and Contentful, Builder.io, and Commercetools,.My recent works were focused on Commercetools APIs & Commercetools Custom Merchant Center Applications development, and also using Builder.io tool for intensive CMS requirements.I have also worked on API Hub extensions development and Composable e-Commerce Storefronts. I have integrated the Algolia search tool with Commercetools for instant search functionality using AWS Lambda service. In my personal capacity I have completed my AWS Solutions Architect Associate Certification, and learnt to work on front-end projects in AEM.In my previous role as a Senior Software Engineer at the Icreon Communications Pvt. Ltd. [earlier known as Change CX], Noida, I was responsible for Frontend, Backend, and API Hub extension development in the Commercetools, and Frontastic projects.Prior to Icreon (ChangeCX), I worked as a Software Engineer at Mastek in Noida. I developed individual components and integrated Commerce APIs for a Headless E-commerce web application project. This decoupled storefront's frontend was developed in NextJS integrated with the Yoga-GraphQL API server that follows micro-services architecture for data fetching. Identity Management was developed using OAuth2.0 implementation to keep the user session active up-to its highest possible time-limit.Before Mastek, I worked as a Solution Engineer at Copious Software in Patna, where I was responsible for coding, feasibility analysis of technical solutions, and architecture design using Amazon Web Services (AWS) for the velaa.io web application. I also developed a static promotional web page in ReactJS deployed on AWS, and conducted R&D projects such as chat-bot development using Microsoft chat-bot SDK and utility applications for internal use on Microsoft Teams and Bitrix24.Overall, I am a proactive, detail-oriented, and results-driven Full Stack JavaScript Developer who strives to learn and implement the latest technologies to deliver high-quality solutions. Thank you for taking the time to review my profile. I am always interested in connecting with other professionals in the industry and exploring new opportunities.