Basically maintained complex Web and RESTful applications using PHP, Python, MySQL, JavaScript, MongoDB, NodeJS, RabbitMQ, Celery along with various other technologies. Working with a technically strong team to solve complex problems with a good balance of learning and responsibility. Projects: # Lumen based API for https://rankwatch.com (January`2018 - September`2018): It is in a micro-services architecture, services with fine-grained and lightweight protocols. It basically improves modularity and makes the application easier to understand, develop and test. 1. Complete database interaction with map-reduce and aggregation over a large database and optimise query for faster processing. 2. OAuth2 server implementation to authenticate users and and validate all the requests. 3. Storage management such as S3 and OVH. # https://omegafy.com (August`2017 -December`2017): It is a SaaS product that check whether an email address exists or not. It is basically a email validator tool. 1. An API based architecture for all the core functionality using node environment. 2. Product with queue based architecture using RabbitMq and celery worker. 3. API Request based system. 4. Manage and monitoring backend services. # https://notifyfox.com (April`2016 - July`2017): Notifyfox is a SaaS product for Web Push Notifications for desktop and mobile browser such as Chrome, Mozilla Firefox, Safari etc. Primarily working on the backend development and maintenance. 1. Design and implement new features in the application. 2. Maintaining historical data of the push notification by tracking subscriber and visitors. 3. Managed application deployment, server monitoring and maintenance. 4. Implementation of payment gateway. 5. S3 bucket management for the assets. 6. Database sharding for the MongoDB. 7. Affiliation system and Mailing management.