I am a professional full-stack developer working on Mobile, Web, and Desktop applications for more than 13 years as a full-time freelancer. I am expert in C/C++, Windows API, PHP(Vanilla PHP, cakePHP, Yii2, Symfony, Code Igniter, Laravel), Java, NodeJS, HTML, CSS, Javascript, Typescript, C#, ASP.NET, .NET Core, Android (Native), Hybrid Mobile App (Ionic, Cordova), React Native, Flutter, VueJs, ReactJs/NextJs, Angular, Java/Jakarta EE, Java Spring, Java Spring Boot, Javalin. I also have expertise in Network/Socket programming, .NET Entity Framework, [login to view URL], .NET MVC , .NET Web APIs , Web Sockets. I am also experienced in Kotlin, Rust, Go, Python, Ruby, Perl, VB.NET, VB6, Classic ASP. Also expert in multiple Databases like MySQL/MariaDB, SQL Server, PostgreSQL, SQLite, MongoDB, Firebase, and caching systems like Memcache and Redis. I have good experience in implementing Service Oriented Architecture, Microservices Architecture, Database Optimization (both schema and queries) , Database partitioning and sharding , Database master/slave architecture. I also have working knowledge of Machine Learning (esp Deep Learning) and I have implemented some basic working ML models in Python (Keras). I have worked on many small to large scale desktop, web, and mobile applications, building both front-end and back-end for the system.