Kostyantyn Dmytrenko - CV Frontend Developer

I am a Front-End Developer with 4 years of experience, primarily focused on building React Single Page Applications. In the last 3 years, I've been using TypeScript to enhance my development projects. My skills include working with Redux (Thunk and Saga), React Query, and managing projects without a store. I'm experienced in collaborating with designers, back-end developers, and QA teams, ensuring smooth and successful project execution. I'm comfortable taking on responsibility, making key decisions, and not afraid to tackle big refactoring or complex tasks. I adapt quickly and am always eager to learn new technologies to contribute effectively to my projects. Projects: Sports Booking Platform Key Contributions: - Designed and implemented responsive React components. - Conducted code reviews for junior developers. - Collaborated in a team environment to successfully launch the application. E-Commerce Project (Shopify) Key Contributions: - Developed custom Shopify components tailored to specific business needs. - Implemented speed optimization strategies, enhancing user experience and site efficiency. Dating Application Key Contributions: - Redesigned UI and overhauled application logic. - Developed new components, conducted thorough testing. - Resolved UI and animation bugs. Real Estate Admin Panel Key Contributions: - Developed an SPA React application for real estate data management. - Integrated advanced map functionalities to facilitate real-time data editing and retrieval.

GO IT (GOIT.UA), KIEV, UKRAINE august 2019 - june 2020 Front-end developers course GO IT (GOIT.UA), KIEV, UKRAINE may-september 2019; Project managers course SKILLUP (SKILLUP.COM.UA), KIEV, UKRAINE 2014; Preparatory courses for software testers (HTML, CSS, SQL) and general course of QA KYIV NATIONAL UNIVERSITY NAMED AFTER TARAS SHEVCHENKO Master of Science | 2007 - 2013; Journalism

JavaScript, React, TypeScript, CSS, HTML, Styled-Components, Redux, Webpack, Vite, AJAX, Git, Jira, REST-API

Английский

Project Development from Scratch to Production

Successfully led the front-end development of a project from inception to production. This involved meticulous planning, development, and testing to ensure a seamless launch.

Performance Optimization and UX Enhancement

Achieved a significant improvement in application performance by refactoring pages and optimizing animations. This enhancement increased the frame rate from 10 fps to a smooth 60 fps, markedly improving user experience and resolving animation bugs.

Efficient Data Processing Algorithm

Developed and implemented an algorithm for processing approximately 20,000 objects, which resulted in a 2.5 times faster download and rendering of information. This innovation greatly enhanced UI smoothness and user-friendliness.