Владислав

VLADYSLAV SHYLIN
FRONT-END, FULL-STACK, BLOCKCHAIN DEVELOPER

Full Stack Developer with hands-on experience in frontend, backend, and blockchain development. Proficient in JavaScript,
TypeScript, React, Redux Toolkit, Node.js, Express, and PostgreSQL, with deep expertise in REST APIs, WebSockets, and SQL
databases. Experienced in Web3 engineering, including authoring, testing, and deploying secure Solidity smart contracts, as well as
building, testing, and launching custom blockchain indexers. Skilled in seamlessly connecting decentralized backends and smart
contracts with interactive frontend UIs using Web3 libraries. Passionate about applying OOP, scalable architecture, and
performance optimization to solve complex problems, write clean code, and deliver high-quality decentralized applications.

CONTACT PORTFOLIO
Frontend (HTML/CSS/SCSS/JS/TS/REACT/NEXT/REDUX/REACT-
[відкрити контакти](див. вище в блоці «контактна інформація»)
QUERY/REACT-HOOK-FORM/REACT-SELECT/ZOD/REACT-
[відкрити контакти](див. вище в блоці «контактна інформація»)
DATEPICKER/I18N)
Ukraine, Cherkasy Projects:

Linkedin Github Telegram Bike Modern - 🚴♂️
A stylish and responsive landing page for a bike rental

🎮
service Code | Preview
EDUCATION 2048 Reloaded - A modern, responsive remake of the classic 2048

📱
puzzle game Code | Preview
Cherkasy National University ReactPhone Hub - A sleek catalog of mobile devices built with React and
Computer Science dynamic routing Code | Preview
2021 - 2022
Backend developer
Mate academy
(NodeJS/EXPRESS/PostgreSQL/Sequelize/Websocket)
Full-stack course
2023 - 2025 Projects:

SKILLS
SecureAuth API - 🔐
A backend authentication API providing secure user

💬
authentication and authorization Code
ChatSync Api - Chat server for handling user messages and connections
HTML/CSS/SASS/Tailwind

🗨️
Code
JavaScript/Typescript/React/Next ChatSphere - A full-stack chat application with a modern UI and real-
Redux/React-Query/React-Select/React- time communication Code
Hook-Form/Zod/I18n/React-Datepicker Blockchain (Solidity, Hardhat, Foundry, Certora, Subsquid,
NodeJs/Express/Nest/Rest APi/Websocket TheGraph, Piñata, Wagmi, Walletless)
PostgreSQL/Sequelize/TypeORM/Prisma Built, tested, and launched custom blockchain indexers to fetch, aggregate,
Solidity/Foundry/Hardhat/Subsquid/TheGr and process real-time on-chain data efficiently.
aph/Ethers.js/Wagmi/Pinata Integrated Web3 wallets and smart contracts with frontend applications,
ensuring seamless user interaction and real-time state synchronization.
Implemented robust unit testing for smart contracts using Hardhat/Foundry
CERTIFICATES
to ensure security and prevent vulnerabilities.
Full-stack course certificate Architected end-to-end Web3 data flows, connecting decentralized
from Mate Academy backends, indexing infrastructure, and interactive user interfaces.
Authored, tested, and deployed secure Solidity smart contracts.
Web-design course certificate
Projects:
Cherkassy
Web3 NFT Ecosystem & Marketplace 🛒- Preview
Contracts: custom ERC20 (WIL) token, ERC721 NFT standard, NFT Factory
for collection generation, and an NFT Marketplace. Code
Backend / Indexing: Built an indexer using Subsquid to process on-chain
marketplace events and sync collection metadata for fast data retrieval.
Code
Frontend: Developed a Next.js web application for minting WIL tokens,
creating NFT collections, listing, and trading NFTs using the WIL ERC20
token. Code
EXPERIENCE
INTERNSHIP 18/06/2025 - 18/09/2025
DICEUS COMPANY

INTERN FRONTEND DEVELOPER

Frontend Technologies: HTML/CSS/SCSS/TAILWIND/JS/TS/REACT/NEXT
Libraries: REACT-QUERY/REACT-HOOK-FORM/REACT-SELECT/REACT-DATEPICKER/REACT-ROUTER/ZOD/RECHARTS/NEXT-INTL

Main internship project

🛡️ A modern web platform for insurance brokers, offfering insurance policy management and insurance term tracking.
Technologies: HTML/CSS/SCSS/JS/TS/REACT/REACT-QUERY/REACT-HOOK-FORM/REACT-SELECT/REACT-DATEPICKER/REACT-
ROUTER/ZOD

Collaborated within a cross-functional team to build a modern web platform for insurance brokers, designed to
streamline policy management and track insurance terms. Spearheaded frontend development, crafting interactive,
responsive user interfaces and ensuring smooth data flow between complex state management systems and backend
services. Focused on application performance, intuitive UX, and clean, reusable code to deliver a seamless
management experience for insurance professionals.

BLOCKCHAIN 14/11/2025 - 01/07/2026
CRABIT COMPANY

BLOCKCHAIN FULL-STACK DEVELOPER

Frontend Technologies: HTML/CSS/TAILWIND/JS/TS/REACT/NEXT
Backend Technologies: Node.js/Nest.js/PostgreSQL/Prisma
Blockchain Technologies: Solidity/Foundry/Hardhat/Certora/Subsquid/TheGraph
Libraries: REACT-QUERY/REACT-SELECT/REACT-ROUTER/RECHARTS/WAGMI/MERKLETREE/KECCAK256/ETHERS

Projects:

🌐 Web3 NFT Marketplace Platform
Technologies: HTML/CSS/TAILWIND/JS/TS/REACT/NEXT/REACT-QUERY/WAGMI/FRAMER-
MOTION/WALLETLESS/CYPRESS/CONNECTKIT/PINATA/SOLIDITY/HARDHAT/FOUNDRY/SUBSQUID/CERTORA

Architected and developed a decentralized marketplace enabling users to mint, trade, and curate custom NFT
collections. Authored, tested, and deployed secure smart contracts, ensuring optimized gas consumption for core
marketplace logic. Built and launched a custom Subsquid indexer deployed to Subsquid Cloud for high-performance,
real-time blockchain data querying. Configured and maintained the production website hosted on a Virtual Private
Server (VPS), implementing CI/CD pipelines for seamless updates.

💼 RWA Tokenization Platform
Technologies: HTML/CSS/TAILWIND/JS/TS/REACT/REACT-QUERY/REACT-SELECT/REACT-
ROUTER/RECHARTS/WAGMI/PINATA/SOLIDITY/FOUNDRY/HARDHAT

Architected and developed a decentralized platform enabling users to tokenize, fractionalize, and trade real-world
assets. Authored, tested, and deployed secure, regulatory-compliant smart contracts, ensuring optimized gas
consumption for asset ownership logic and yield distribution. Configured and maintained the production web
application, implementing CI/CD pipelines for seamless updates.