A technological IT startup developing a platform for job seekers based on AI. Built a Web Based backend and JavaScript Front End to automate job search using AI based on Maven, Spring Security, Java 8 Stream API, RabbitMQ, increasing user engagement by 20% and improving bot response time by 30%● Developed 6 microservices and 5 modules with Java 19, Spring Boot, and Hibernate for job listing collection, user’s resume AI matching, improvements and cover letter generation based on ChatGPT concurrent interaction. Elaborated extended filters including full text search.● Elaborated JavaScript Chrome Extension to collect, filter and analyze LinkedIn user profiles● Designed 20+ databases using PostgreSQL, optimizing query performance and data integrity carefully planning schemas and indexing strategies

A dynamic fintech startup specializing in cryptocurrency trading, dedicated to revolutionizing the way individuals and institutions engage with digital assets.● Designed and Implemented Trading Algorithms: Developed sophisticated trading algorithms using Javato automate trading strategies, leading to a 15% increase in trade execution speed and a 20%improvement in trade accuracy.● Integration with Binance API: Successfully integrated the trading bot with the Binance Futures API,enabling real-time data retrieval and order execution, resulting in a 40% reduction in latency andincreased profitability.● Worked on the development of an enterprise application, contributing to both frontend(Bootstrap,DataTables, jQuery, and plugins) and backend services, resulting in a 15% increase in platformperformance and user engagement.

A technological IT startup developing a platform for video calls, webinars, and automated webinars for online education. ● Participated in the development and maintenance of a video conferencing application using Java, Spring Boot, Hibernate, PostgreSQL, Swagger, and RESTful APIs, resulting in a 15% increase in user engagement and reducing server downtime by 20%.● Conducted code reviews, improving code quality by 60%, and subsequently boosting customer satisfaction and loyalty by 10%. ● Implemented and maintained automated tests, leading to a 30% decrease in regression issues and a 20% improvement in code quality.