Andrii Vitrenko

Angestellt, Middle Frontend Engineer, Venture Partnership 6037
Kyiv, Ukraine

Skills

Software Development
Project Management
Communication skills
React.js
React JS
React Native
Next.js
TypeScript
Tailwind CSS
CSS
CSS3
Redux.js
Redux
javascript
JavaScript
Javascript Development
Javascript Entwicklung
JavaScript Programmierung
Website
Web applications
Website Development
Webpack
Web Services
Web Technologies
GraphQL
REST
API
RESTful API
Postman API
Testing
Software Testing
Unit Testing
Frontend
Software
Engineering
Architecture
HTML
Node.js
English Language
German
User Interface
Computer Science
Vue.js
Code
Git
GUI
Full-stack development
Agile Development
Sass
SCSS
Software framework
Responsive web design
Jest (framework)
ECMAScript
Bootstrap (front-end framework)

Timeline

Professional experience for Andrii Vitrenko

  • Current 2 years and 4 months, since Jul 2024

    Middle Frontend Engineer

    Venture Partnership 6037

    • Led the full website rebranding, implementing a new UI that aligns with the company’s updated identity and enhances user experience. • Introduced a utility-first CSS and dynamic theming approach, enabling a full brand redesign with 70% fewer lines of new code required, thanks to the streamlined styling system. • Developed and integrated automated end-to-end tests using Playwright, increasing test coverage and minimizing regression risks.

  • 1 year and 8 months, Nov 2022 - Jun 2024

    Junior Frontend Engineer

    Venture Partnership 6037

    • Redesigned the module architecture by removing 30% of redundant code, optimizing methods, and refining the type hierarchy to create a more scalable system and cut new feature integration time by 4x. • Redesigned the Redux store, removing 60% of redundant parsing functions and streamlining data management. • Refactored the component structure into a cohesive UI kit, enabling easy, app-wide customization and removing 20% of redundant components, which boosted reusability and sped up development.

  • 10 months, Feb 2022 - Nov 2022

    Junior Frontend Developer

    CGS-Team

    • Boosted application performance by 300% by eliminating redundant re-renders and optimizing component workflows. • Mentored and onboarded new team members, conducted code reviews, and ensured high-quality deliverables, fostering a collaborative and efficient team environment. • Designed and implemented advanced UI features, application navigation logic, push-notifications, and user flows, greatly enhancing user experience and engagement.

Educational background for Andrii Vitrenko

  • Current 5 years and 2 months, since Sep 2021

    Sonftware Development

    FICT department of Igor Sikorsky Kyiv Polytechnic Institute

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