We are looking for a skilled Mid-Senior Software Developer to join our team.Technology Stack: > Frontend: Ext JS, JavaScript, jQuery, DHTMLX (transitioning toward modern frameworks such as React) > Backend: Python and C++ > Database: PostgreSQL > DevOps: Docker, CI/CD pipelines, GitLabResponsibilities: > Develop advanced web applications using JavaScript (React) and modern frontend technologies > Build backend services in Python and C++, running on Linux (Ubuntu) > Work with PostgreSQL and data-intensive operations > Ensure compatibility with both desktop and mobile through Progressive Web App (PWA) principles > Contribute to a shared product backlog and collaborate across teams to deliver consistent, reliable solutions > Participate in Agile processes (daily standups, sprint planning, retrospectives) > Implement and maintain unit tests and automated testing > Work with Docker, CI/CD pipelines, and Git-based workflowsSkills & Requirements Minimum Requirements: > 5+ years of software development experience > 3+ years of experience in web application development > Strong skills in JavaScript and HTML/CSS > Backend development in Python and/or C++ > Experience with React or similar modern frontend frameworks > High level of written and spoken EnglishGood to Have: > Experience with Ext JS or other enterprise-grade UI frameworks > Experience with PWA principles > Working knowledge of PostgreSQL > Experience with Linux (Ubuntu), Docker, and CI/CD > Familiarity with Git workflows > Unit and automated testing practices > Bachelor's degree in Computer Science or similar