AI/LLM, Frontend and Backend software development for the large educational platform.AI/LLM- Doubled speed of candidate search and HR screening, by automating workflow of existing major processes with an AI. Including data scraping, data analysis and results sorting;- Used web-scraping techniques to provide LLM internet access, enabling automated SEO content optimization. This involved extracting and analyzing web data to enhance search engine visibility and improve online presence;- Developed and deployed a custom AI chatbot to chat with the educational courses data, using Next.js, FastAPI, LangChain, RAG and Chroma vector database. resulting in a 10% increase of customer satisfaction rate;- Constant development of new MVP features, e.g.: video-to-text lesson generation, automated lesson grammar checks, automated tweet generation, etc.Web Development- Building new web-pages and UI components using Next.js, Styled components, Tailwind CSS, Redux, etc.;- Node.js backend updates using TypeScript and GraphQL.

- Created AI web-chatbot from scratch using React.js, Sass, MongoDB, Firebase, FastAPI, LangChain and OpenAI API (GPT-4) with 100 unique daily users;- Developed a new front- and backend functionality for a NFT trading platform to gamify users spending process. Which helped to gain 2000 new unique users in 3 month and increased company revenue by $50k;- Created a corporate multi-language website from scratch with an adaptive layout, dynamic news page, maps, and feedback form;- Implemented a Real Estate app feature: customizable leaflet generated as HTML or PDF on the backend using Puppeteer. With user-specific content displayed on the frontend. Which helped to increase user interactivity with the platform;- Developing high-quality full-stack applications from scratch and maintaining existing ones for EU and US clients.

- Software development for medium and small businesses;- Front End architecture support/development using JS, React.js, HTML, SCSS;- Back End architecture support/development using Node.js, Express.js, REST API;- Software troubleshoot and debug;- Consulted in the redesign of a client’s website, resulting in a 20% increase in traffic;- Increased client's website loading speed by 35%, by managing media files, as well as minifying CSS/JS files.

- Company website administration;- Lean Manufacturing System coordination and support, as well as the “6S” committee;- Lean Manufacturing System trainings conduct;- Commercial work with the foreign and local Ukrainian partners: customer negotiations, work with contracts, technical and commercial documentation translation (English-Ukrainian-Russian), presentations conduct;- Import and export of international cargo: documents preparation, orders support.