Hi, I'm Debu Paul, Lead Sr. Software engineer and API Automation framework developer for a highly transactional-based web application. I'm from Kolkata/Bangalore. With around 8+ years of experience in the IT industry, Vast experience in the Payment domain, working with multiple National and International Payment/Financial institutes. I've gained expertise in a variety of programming languages, DSA, and frameworks, including Core Java (5,6,7,8,11), Collection API, Muti-Threading, Concurrency, JVM Tuning & Performance analysis, Design Pattern, Micro-service Architecture, High-Level System Design, Core DSA, Advance DSA, Low-level System Design, Spring core/MVC/ Boot 2.5+, Spring Batch, Spring Webflux, Rest API Development, JSON, XML, HTML, CSS, JavaScript, Apache Kafka, Rabbit MQ, AWS, Netflix Component, Flyway, CI-CD Jenkins, Shell Script, Caching Services like Redis, Memcached and In-Memory Database, Docker and Kubernetes, Both RDBS (MySQL, Postgres, Oracle) and NoSQL Databases (MongoDB, Couchbase, CouchDB) Expertise in Unit Testing using JUnit framework, Mockito, and UI Automation Testing using Selenium, load/performance testing by JMeter & BlazeMeter, version control tool - Git, Bitbucket & Git-Lab, code review, overage, and analysis using SonarQube, Sonarlint, Eclemma & Fortify and various build tools - Maven, Ant & Gradle, etc. I have given training & workshop both for the fresher and Senironor employees for getting their dream jobs in a product-based organization. Beyond technology, I'm passionate about outdoor games and productivity. I firmly believe that optimizing your workflow and adopting a growth mindset can help you achieve greater success and fulfillment in all areas of life. As an avid content creator, I enjoy sharing my knowledge and helping others grow. I create technical Java, Data Structure, and coding content on YouTube and write articles on my own blogger page to help aspiring developers gain insights into the industry and stay up-to-date with the latest trends.