Experience summary: • Languages: JavaScript (ES6+), TypeScript, PHP, HTML5, CSS3 (SCSS, LESS) • Frameworks/Libraries: Angular (7-19), Material, RxJS, NgRx, D3.js, Fabric.js, LeafletJS, JS Google Map API, Yandex Map API, Bootstrap, BEM • Backend & APIs: NestJS, Express.js, Node.js, RESTful APIs, WebSockets • Databases: PostgreSQL, MySQL, MariaDB, MongoDB, Redis • Cloud & DevOps: Docker, AWS (ECR, EC2), Heroku, Hetzner, CI/CD, Nginx • Tools & Environments: Git, npm, Webpack, Vite, Windows, Ubuntu, CentOS • Design & Prototyping: Figma, Adobe Photoshop • Testing: Jasmine, Karma, Jest • Methodologies: Agile, Scrum.