- Developed microservices using Nest.js and RabbitMQ for the 'offer-heap' project (https://offerheap.com/), enabling the creation of a scalable and highly fault-tolerant system.- Designed and optimized backend APIs and database queries, resulting in response time reductions of up to 60% and substantial improvements in overall system performance.- Implemented WebSocket technology to facilitate real-time data updates, enhancing user experiences by eliminating the need for manual data refreshing.- Thoroughly tested and covered system functionality with integration tests, selecting them as the preferred method due to their execution speed and effectiveness in system testing.

- Developed and continually updated a comprehensive JavaScript curriculum tailored to meet the diverse learning needs of online students.- Delivered engaging and interactive online lectures, covering JavaScript fundamentals, advanced topics, and best practices.- Provided individualized mentorship and support to students, guiding them through the learning process and helping them overcome challenges.

- Utilized React to create interactive and responsive user interfaces, enhancing the overall user experience in such projects as Deepdee https://deepdee.org/, Villa- Leveraged preprocessors, such as SASS, to streamline and optimize CSS development, resulting in more maintainable and efficient code.- Collaborated closely with a cross-functional team of developers, designers, and stakeholders to deliver high-quality user interfaces for both projects.