• Designed an AR promo-game using the concepts provided by management and graphic design teams• Defined the technical stack required for the project implementation • Developed the promo-game using 8th wall AR and ThreeJS • Developed the React app that provides the access to the game• Collaborated with design and devops teams• Demonstrated the features implemented

• Was developing Chrome browser extension using React/Redux/Wasm/ThreeJS stack.• Integrated NodeJS based data storage and services communication via WebSockets.• Integrated AI functionality (LangChain + OpenAI) along with vector search, dynamic prompt generation and secure encrypted storage of chats.• Integrated Stripe payments and invoicing• Was leading a team of 3 devs and a devops.• Was maintaining the project knowledge base.

• My main focus was on understanding the technical aspects of the networks' nodes setup, figuring out how to efficiently collect blockchain data, and providing recommendations for the dev team and stakeholders.• Actively worked with python codebase of apps and libraries analyzing for best performance optimizations• Provided integration solutions for Etheruem, Solana, Polkadot, Cosmos, and other cryptonetworks• Provided performance audit for project applications• Held team and stakeholders meetings demonstrating research results

• Designed and implemented the system architecture based on Docker, MySQL servers, Keycloak, Spring Boot backend and ReactJS frontend applications • Provided functionality needed for handling full auction scope: auction creation, bidding process, bids and auctions administration• Designed and developed CI/CD pipeline and artifacts delivery• Designed and developed the React/Web components kit with StensilJS• Maintained the project's documentation and knowledge base• Participated in stakeholders consulting and demonstrated implemented features• Performed application performance audit and implemented improvements• Integrated 3rd party services

• Made a research on various components libraries for Angular• Designed and implemented frontend components adapted to Angular and Kendo UI• Created an app that could display 10K x 10K grid, where each cell was a small web application that allowed quickly trade and track the financial assets• Consulted the stakeholders and demonstrated features implemented• Improved application performance

• Basic frontend routines from day 1.• Integrated various 3rd party APIs and services (Stripe payments, Google Analytics, Facebook Retargeting, Hotjar, and many more).• Developed and maintained components for the project's main app/site.• Participated in projects main app performance audit • Gradually inherited backend duties and made fixes to projects backend in Spring.• Created catalogue and orders analytics tool using Google Sheets and AWS Lambda• Implemented a simple support chatbot as a hobby-project

• Was developing websites for the company's clients (ZEND + HTML + JS)• Participated in planning and development of a frontend for company's online marketing campaigns tool (Angular JS + Bootstrap + REST API via ZEND)• Designed and implemented components• Handled performance audit for clients' websites

• Planning and implementation of frontend features• Components development• Performance improvements (despite all the graphics and dependencies web traffic burden, we've managed to hit 90+/90+ at Google's Page Insights)

• Basic frontend routines of PSD to HTML+CSS conversion• Frontend scripting