Артем

Artem Prushchik
Full-Stack Developer (React / React Native / NestJS / Blockchain)​
Ukraine, Kyiv​
Email: [open contact info](look above in the "contact info" section)​
Phone: [open contact info](look above in the "contact info" section)

Professional Summary
Full-stack Web3 developer with 6+ years of commercial experience building
blockchain-based applications, multi-chain crypto wallets, Web3 integrations, and scalable
frontend/backend systems.

Experienced in developing production-grade mobile, desktop, and web applications using
React, React Native, NestJS, Node.js, and TypeScript. Strong background in blockchain
infrastructure, wallet architecture, EVM/Solana ecosystems, and cross-chain integrations.

Worked on high-load crypto wallet applications used by real users in production
environments, including mobile wallets, browser extensions, dApps, and blockchain tooling.

Comfortable working across the entire stack:

●​ frontend architecture
●​ backend architecture and scalable service development
●​ Docker infrastructure
●​ smart contract interaction
●​ LLM/AI integrations
●​ blockchain integrations

Technical Skills
Languages

●​ TypeScript
●​ JavaScript
●​ Node.js
●​ LiveScript
●​ Dart
 ●​ Solidity
●​ PHP

Frontend

●​ React
●​ React Native
●​ React Native Web
●​ Next.js (SSR/SSG)
●​ Vue.js
●​ Electron
●​ sass, scss, tailwind
●​ MobX, Redux, Zustand

Backend

●​ NestJS, Prisma, Swagger
●​ Node.js
●​ REST APIs
●​ WebSocket integrations
●​ Protocol Buffers (Protobuf)

Infrastructure & Tools

●​ Docker
●​ Docker Compose
●​ IPFS
●​ SQL / NoSQL databases
●​ Git
●​ Linux
●​ Any modern IDE
●​ CI/CD
●​ Expo
●​ AI agents

Databases:

●​ - PostgreSQL
●​ - MySQL
●​ - MongoDB
●​ - Redis
●​ - SQLite
●​ - SQL / NoSQL database design

AI / LLM
 ●​ llama.cpp
●​ GGML / GGUF
●​ Local LLM deployment
●​ AI API integration

Blockchain / Web3

●​ Ethereum / EVM
●​ Solana
●​ TON
●​ Bitcoin
●​ Wallet integrations
●​ Web3 infrastructure
●​ Smart contract debugging (Remix)
●​ Cross-chain bridges

Work Experience
BlockRock South LLC — Frontend / Full-Stack
Developer
Remote | Dec 2023 – Feb 2026

Worked on CRM platform development for desktop and web environments.

Responsibilities:

●​ Developed scalable frontend architecture using React and TypeScript
●​ Built reusable UI systems and shared application modules
●​ Integrated frontend with backend services using Protocol Buffers
●​ Worked with Protobuf schema serialization/deserialization
●​ Implemented complex data-heavy interfaces, filtering systems, and dynamic tables
●​ Optimized rendering performance for large datasets
●​ Participated in API contract design and backend integration processes
●​ Collaborated closely with backend and infrastructure teams

Stack:

React, TypeScript, Protobuf, Electron, Node.js, tailwind, scss, Socket IO
VELAS NETWORK AG — Full-Stack Web3 Developer
Sweden (Office / Remote) | Jun 2020 – Mar 2023

Worked on production cryptocurrency wallet ecosystem across mobile, desktop, web, and
browser-extension platforms.

Responsibilities:

●​ Developed and maintained multi-chain cryptocurrency wallets
●​ Supported React Native mobile wallets used in production
●​ Developed browser-based non-custodial wallets
●​ Improved wallet architecture and blockchain integration layers
●​ Worked on Web3 wrappers shared across web and mobile platforms
●​ Integrated EVM bridges (ETH, BSC, HECO, Velas)
●​ Worked with Solana, Bitcoin, Cardano, Velas, and Ethereum-based networks
●​ Developed new wallet platform using React-Native-Web
●​ Participated in blockchain infrastructure integrations
●​ Debugged and tested smart contracts using Remix
●​ Developed Telegram bots and backend services using Node.js

Stack:

React, React Native, React Native Web, Node.js, LiveScript, Web3, Solidity, Electron

Fazarosta Company — Frontend Developer
Ukraine | Jun 2018 – Oct 2019

Responsibilities:

●​ Developed landing pages using Vue.js
●​ Maintained WordPress-based projects
●​ Developed custom WordPress plugins
●​ Worked on responsive UI implementation

Stack:

Vue.js, WordPress, JavaScript, scss, PHP
Selected Production Projects
FrostFire Wallet (React Native)

Production mobile cryptocurrency wallet with multi-chain support.

Android:​
https://play.google.com/store/apps/details?id=com.velas.frostfire

Velas Wallet

Production crypto wallet application.

Android:​
https://play.google.com/store/apps/details?id=com.velas.mobile_wallet

Web:​
https://wallet.velas.com

Velgazm Wallet

https://play.google.com/store/apps/details?id=com.velgazm_new

Velgazm Browser Extension

Web3-enabled Chrome extension.

https://chromewebstore.google.com/detail/velgazm/hcomoakalhieababmebdkgknckbeaflp?hl
=uk

Pentagos dApp

Blockchain-based application with smart contract integrations.

https://pentagos.app/home
Education
Master’s Degree in Engineering Technology​
Open International University of Human Development, Ukraine​
2012

Languages
●​ English — Upper-Intermediate
●​ German — A1