Front-end development using React.js, Next.js, Angular, and jQuery.
Building UI components using MUI, UI Kit, Chakra UI, Konda UI, Tailwind CSS, SCSS and Bootstrap.
Testing with Jest, Karma, Jasmin and Cypress.
REST API and GraphQL.
WebPack and Babel for bundling web applications.
Web application development with Node.js (Express.js, Nest.js) and Golang (gRPC, Gorilla).
PostgreSQL, MongoDB, AWS DynamoDB, MySQL, Azure SQL Database databases and AWS, Microsoft Azure cloud services.
Unit testing with Jest and Jasmine.
Experience in designing databases for distributed systems.
Experience with optimizing long-running queries by MongoDB aggregations.
Knowledge of scalability techniques for scaling databases.
Experience with Ubuntu and Windows operating systems.
Experience in automation using provisioning tools like Jenkins.
Experience with GitHub Actions.
Experience with CI tools: AWS CodePipeline, Azure Pipelines and Gitlab.
Agile, Waterfall
Unit, integration and e2e testing
OOP, SOLID
Clean and team-oriented code