Backend experience: * Java(v8-11) Core. * Solid understanding of OOP principles and following best coding practices. * Desktop application development using latest JavaFX technologies. * MySQL, MsSQL, Oracle and Postgres JDBC drivers. * J2EE, Servlets, Spring (Boot, MVC, Data, Security). * Hibernate ORM. * Rest API, JSP(JSTL, EL). * Maven. Frontend experience: * React (Hooks, Formik, Yup, Framer Motion). * Redux (thunk, saga). * GraphQL(Apollo server). * Vue (vuex, plugins and etc). * SSG (Gatsby.js, Next.js, Nuxt.js). * Material UI, Bootstrap, Tailwind, Bulma. * Other tech: Firebase SDK, HTML, CSS, JS(ES5+), Webflow, Figma.

C/C++ Software Development: • Implementation of various data structures and algorithms. • Working with Win32 API and Qt framework (Core, GUI, Network, QML, Quick Controls). • Good understanding of OOP principles and efficient procedural coding. • Working with multiple multi-threading/processing APIs and synchronization primitives. • Following all best practices and new language standards (C99, C++11, C++14, C++17). • Fundamental knowledge of networks in Windows and Linux, an understanding of how client-server applications and various protocols work, such as TCP/IP, UDP, HTTP and SMTP. • Working with SQL driver integration, managing connection to MySQL and SQLite databases and writing queries.