Влад

Vladyslav Kravchenko
Senior Front-end Developer(React)
[open contact info](look above in the "contact info" section) [open contact info](look above in the "contact info" section) Orzechowa 57/32, 50-514 Wroclaw

Profile Personal details
Senior Front-end developer with 5+ years of commercial experience in JavaScript, LinkedIn
TypeScript, React.js, Next.js, Vue.js, including 2 years of commercial experience [open contact info](look above in the "contact info" section)
with Python and Flask, FlaskAPI. Proven track record of leading cross-product
initiatives and delivering clean, maintainable solutions. Languages
Education English: B2

Bachelor Degree of Software Engineer Aug 2018 - Jul 2022 Polish: B2
National University Zaporizhzhia Polytechnic, Zaporizhzhia, Ukraine
Ukrainian: C2

Employment
Skills
Senior Frontend Developer Aug 2024 - Aug 2026
Frontend: JavaScript, TypeScript,
Eightify, Wroclaw, Poland
React.js, Vue.js, Next.js, HTML5,
Led the development of 6 cross-browser extensions for 200,000+ users
CSS3,
enabling full customization of social media experiences
Designed and implemented an admin panel for tracking and resolving 50+
Backend: Python, Flask, FastAPI,
bugs and delivering 10+ user-requested features
PostgreSQL, Celery
Built an end-to-end testing infrastructure using Selenium, reducing bug
reports by 20% State Management & Data
Developed a custom AI workflow that reduced token consumption and code Fetching: Redux Toolkit, RTK
generation time by 50% Query, TanStack Query, Pinia
Implemented an OpenAI-powered feature for automatic YouTube video
translation and summarization, generating 500+ new Pro subscriptions UI/Styling: Tailwind, MaterialUI,
Collaborated on architecture refactoring with the team lead and mobile StyledComponents, Shadcn
team — reducing server load by 30% and eliminating a critical bug causing
2–3 second load delays on mobile devices Testing: Selenium, Playwright,
Proposed and implemented an admin panel feature allowing targeted bug- Vitest, Pytest
fix releases without code changes, accelerating minor releases by 50%
Developed a custom landing page builder, powering 10+ responsive, SEO- Dev Tools: Storybook, Git, Vite,
friendly landing pages for internal and client projects Docker

Middle Front-end Developer Jan 2021 - May 2024 AI Integration: OpenAI API, MCP
Idealogic, Zaporizhzhia, Ukraine Servers
Developed a product-grade crypto escrow platform for secure peer-to-peer
AI Development: Claude Code,
transactions with on-chain settlement
Custom MCP Servers, Hooks,
Strengthened application security with a 2FA module and YubiKey hardware
Agent Skills, RAG
key integration
Collaborated with front-end and back-end teams to integrate crypto deposit Cloud: AWS, AWS Lambda,
and withdrawal modules into user accounts Amazon ECS Fargate, AWS
Implemented a real-time user chat with Socket.io and HTTP Amplify Hosting
Built and documented 40+ reusable components in an internal Storybook
library Deploy: GitHub Actions
Boosted Core Web Vitals by 40% on mobile and desktop via image delivery
optimization, code-splitting, and Service Worker caching

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recruitment process (in accordance with the Act of May 10, 2018 on the protection of personal data
(Journal of Laws of 2018, item 1000) and in accordance with Regulation (EU) 2016/679 of the European
Parliament and of the Council of April 27, 2016 on the protection of natural persons with regard to the
processing of personal data and on the free movement of such data, and repealing Directive 95/46/EC
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