● Backend & API: Developed a RESTful API using Express with JWT authentication to protect sensitive data. Utilized Sequelize and PostgreSQL for efficient management of relational databases. ● Automation & Scraping: Implemented advanced scraping with Puppeteer and designed a modular architecture to run scripts in parallel, including the download and handling of Excel files using the `xlsx` library. ● Security & Deployment: Configured traffic controls with `express-rate-limit` to prevent attacks and set up CORS for secure deployment. ● Integrations & Bots: Automated Discord interactions by creating bots with Node.js and used Axios to manage HTTP requests between the client and API. ● Frontend: Built responsive interfaces in React with Tailwind CSS, enhancing UX with custom components and form validation using React Hook Form and Yup. ● Collaboration: Managed source code with Git, promoting a collaborative and efficient workflow.

● Web Scraper Development: Developed a web scraper using JavaScript and Node.js to automate the extraction of filtered tenders. This system processes thousands of data entries in just 2 minutes, significantly improving operational efficiency and enabling faster and more accurate decision-making. Achieved a 99% reduction in search time. ● Version Control: Utilized Git and GitLens for version control and code management. ● SEO and SEM Expertise: Gained proficiency in SEO and SEM, leveraging tools like Google Analytics, Google Tag Manager, and Google Ads for web analysis and digital marketing strategies. ● Web Services: Worked with CMS platforms like WordPress and WooCommerce and managed servers using cPanel.

● Responsive Landing Page: Designed and developed a responsive landing page using React and Tailwind CSS for the frontend and Express for the backend, ensuring an optimal user experience across all devices. ● Performance Optimization: Reduced page load time by 30% through code performance optimizations and efficient resource management.

● Trained students for the ICPC in C++ and Python, teaching optimization algorithms, advanced data structures, and dynamic programming techniques. ● Encouraged the development of skills in problem-solving, time management, teamwork, algorithm analysis, handling pressure, resilience, and continuous improvement. ● Designed personalized training plans for each student, ensuring their continuous improvement and preparation for high-level competitions. ● Guided students in competition simulations, promoting the learning of tactics for efficient problem-solving under time constraints. ● Monitored performance, providing constructive feedback to strengthen both their technical skills and competition performance.

● Assisted in teaching programming subjects, substituting for instructors on various occasions and offering extra lessons in programming languages such as C# and Python.● Collaborated in the creation and preparation of educational materials.● Provided personalized support to students in solving practical exercises.● Offered guidance on best practices in coding and software development.● Reviewed projects and assignments, encouraging active learning.● Facilitated the development of programming skills and problem-solving abilities in various languages.