- Developed a merchant and acquiring system deployed in a production environment, enhancing transaction processing speed by 30%.- Boosted TypeScript coverage from 60% to 100% by implementing comprehensive type interfaces andchecks, reducing runtime errors.- Increased test coverage by 300%, expanding the number of UNIT and E2E tests from 15 to 60, whichimproved system reliability and reduced bugs in production.- Created a corporate UI component library to streamline component reuse, reducing development time fornew projects by 50%.- Enhanced code readability by restructuring class names following BEM methodology, improvingmaintainability and reducing onboarding time for new developers by 20%.- Consolidated two separate Vue projects into a single Nuxt application, optimizing proxy configuration and improving application performance.- Refactored legacy projects with new functionalities, extending their lifespan and aligning them with current business requirement.

- Developed key chat components and integrated backend communication for an AI-driven chatbot using TypeScript and React.- Created dynamic, unique chat links, enhancing user engagement and enabling personalized experiences, boosting user interaction rates by 30%.- Enhanced code quality through refactoring, reducing codebase size by 20% and improving readability, which lowered maintenance efforts.- Authored 30 automated test cases using Cypress and Jest, increasing test coverage and ensuring robust component functionality, leading to reduction in reported bugs.- Integrated third-party libraries and APIs, expanding chatbot functionality and reducing development time by 20%.- Developed a reusable UI component library that standardized design elements across projects, significantly reducing the need for repetitive coding and cutting development time for new applications by 50%.- Collaborated closely with senior frontend and backend developers, accelerating the implementation of best practices and optimizing project workflows.

- Developed in-depth knowledge of HTTP protocol and networking technologies, contributing to more secure and robust network infrastructure management.- Configured routers and switches to optimize data transmission Managed IP addresses and DNS server configurations, ensuring consistent and reliable web applicationperformance- Resolved complex internet connectivity issues, restoring service in under 30 minutes on average, andmaintaining a 95% uptime across network operations.