Вадим

Vadym Melnychenko
Frontend Developer

Highly skilled and experienced front-end developer with over four years of proven
SKILLS
React/Next development experience, particularly in the blockchain, AI and
ecommerce industries. Having strong experience in creating interactive and user Languages:
friendly web/mobile applications and extensions, such as a comprehensive online ● TypeScript
learning platform, an AI-based chatbot application, and various ● JavaScript
stacking/sharing/transferring/borrowing dApps. As well as explorer systems, ● HTML
browser-based multi-chain wallet extensions, and more. I constantly strive to improve ● CSS
my skills and stay abreast of industry trends in order to provide exceptional solutions
for solving interesting and non-trivial problems. Front-end:
● React
● Next.js
● ReactNative
EXPERIENCE
● React Hooks
Senior Frontend Developer ● React Query
Jan 2023 - Jan 2024. Prof-IT Blockchain ● React Router
Tasks & duties: ● Redux toolkit
● Built Chrome extensions to enhance browser functionality. ● React-hook-form
● Enhanced security practices and delved into crypto wallet development. ● Redux
● Integration cypress + percy + msw ● Redux Thunk
● Covering with unit and e2e tests ● MobX
● Working with animation (framer motion) ● Gatsby.js
● Development with IndexedDB with react-query
● AJAX
Technologies: ● WebSockets
Next.js, react-testing-library, React, Chrome Extensions, TypeScript, Ethers.js, Web3.js, ● Vite
WAGMI, Hardhat, Zustand, Recoil, WebSockets, Cypress, Zod, Vite, I18n, ChakraUi,
● Zustand
ReactNative
● Recoil
Middle Frontend Developer ● BEM
Jan 2022 - Jan 2023. Reneum Institute Blockchain:
Tasks & duties: ● Ethers.js
● Developed an interactive Python learning platform for children. ● Web3.js
● Optimized the application for SEO and performance. ● Hardhat
● Demonstrated proficiency in React state management and REST API design. ● WAGMI
● Adding strict data typing with API
● learning advanced Typescript and React Back-end:
● API integration, developing business logic ● Node.js
● Daily calls with client team ● Nest.js
Technologies: ● Express
TypeScript, Next.js, styled-components, SSR, Redux, Node.js, Web3.js, WAGMI, React, ● REST
Firebase, react-testing-library, Storybook, React Hooks, React Query, React Router, ● GraphQL
Redux toolkit, React-hook-form, Redux, Redux Thunk, MobX, I18n
Development Tools:
● Socket.IO
Frontend Developer ● FSD

Sep 2020 - Jan 2022. INC4 ● LokiJS
● Webpack
Tasks & duties:
● Babel
● Designing architecture of project
● I18n
● Covering with unit, integration and e2e tests
● Developed 4 applications for the Ambrosus community to address specific needs. ● Firebase
● Created over 20 responsive landing pages for both company and client projects. ● Prisma
● Redesigned 4-year-old applications using React 15 and Redux for a better user ● Prismic
experience. ● CI/CD
● Constructed Web UI for enterprise CMS and finance projects using ● Zod
React/TypeScript.
● Docker
● Contributed to UI development with React for team success.
● GitHub
● Developing complex multilevel user forms
● Improving page loading speed by Lighthouse Styles:
● Performance optimization of complex and large interfaces ● SCSS
Technologies: ● Bootstrap
TypeScript, JavaScript, React, Next.js, Blockchain, SSR, React Native, Web3.js, ● Material-UI
react-testing-library, React Hooks, React Query, Material-UI, StyledComponents, ● ChakraUi
Firebase, Socket.IO, Prismic, Ethers.js, Storybook ● StyledComponents

Vue/React Developer ● Tailwind CSS
● Adobe Xd
Sep 2016 - Jan 2020. Freelance
● Photoshop
Tasks & duties:
● Figma
● Developed and maintained web applications using React, TypeScript, and
HTML/CSS Databases:
● Worked with remote teams on a variety of projects, including enterprise CMS and ● MongoDB
finance applications
Testing:
● Experience with unit testing, test-driven development, and continuous
● Jest
integration/continuous delivery (CI/CD)
● react-testing-library
● Strong problem-solving and debugging skills
● Ability to work independently and as part of a team ● Accessibility testing

Technologies: ● Jasmine
● Mocha
TypeScript, JavaScript, React, Gatsby.js, Next.js, MaterialUi, REST, styled-components,
Jest, Jasmine, react-testing-library, Redux Thunk, Redux, Web3.js, WAGMI ● Storybook
● Unit testing
● Visual regression testing
EDUCATION
● Cypress
KZMI
Other:
Apr 2015 - Jun 2019. Electrical, Electronics and Communications Engineering
● OpenAI
Bachelor's degree

GoIT LANGUAGES
Jan 2018 - Feb 2019. Frontend Engineering English:
● B2, upper intermediate
CONTACTS
Russian:

[open contact info](look above in the "contact info" section) ● Fluent
[open contact info](look above in the "contact info" section)
Ukrainian:
[open contact info](look above in the "contact info" section)
Telegram: @avokadikvadik ● Native
[open contact info](look above in the "contact info" section)
https://github.com/melnicenkovadik