<Paul/Sizon>
AboutSkillsExperienceEducation
Hi 👋, I'm Paul
I am a
Blockchain and Web3 developer with a strong track record of building high-quality applications. Passionate about driving innovation in decentralized technologies across both mobile and Web3 platforms.
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About Me

Hi! I'm a Mobile & Blockchain Developer based in Buenos Aires, Argentina, originally from Saint Petersburg, Russia. I'm passionate about mixing cutting-edge tech with the goal of making a real impact in the world. I'm constantly striving to expand my knowledge, especially in blockchain and software development, always eager to learn and apply new concepts. What excites me most about blockchain is its power to provide economic freedom for everyone. My career goal is to make the world a better place and find success along the way.

Fluent in English 🇺🇸 and Russian 🇷🇺, I'm also conversational in Spanish 🇦🇷 and have picked up a bit of Turkish 🇹🇷. My passion for technology extends beyond just work – I'm an active contributor to blockchain meetups and hackathons 🚀.

Outside of work, I embrace the digital nomad life 🌏, combining travel ✈️ with photography 📸 as I explore new places. Huge fan of King Gizzard & The Lizard Wizard 🎸 and firmly believe in the importance of privacy 🔒. I'm also fascinated by the advancements in AI 🤖 and where it's taking us.

What I Do
Web3 & Blockchain Development

Web3 & Blockchain Development

Experienced in developing and deploying smart contracts, DApps, and integrating token standards on Ethereum. Skilled in using Solidity, Web3.js, and IPFS for decentralized storage.
Mobile App Development

Mobile App Development

Proficient in building high-quality Android applications using Kotlin, Jetpack Compose, and modern architecture patterns. Experienced in delivering seamless and efficient mobile experiences.
Web & Cross-Platform Development

Web & Cross-Platform Development

Skilled in developing web and cross-platform applications using Flutter, React, and Next.js. Focused on delivering performant and responsive user interfaces across different platforms.
Skills

Blockchain/Web3

SoliditySolidity
EthereumEthereum
Smart ContractsSmart Contracts
Web3.jsWeb3.js
HardhatHardhat
FoundryFoundry
IPFSIPFS
ERC-20ERC-20
NFTsNFTs

Mobile Development

Android SDKAndroid SDK
KotlinKotlin
JavaJava
Jetpack ComposeJetpack Compose
FlutterFlutter
CoroutinesCoroutines

Cross-Platform & Web Development

ReactReact
Next.jsNext.js
FlutterFlutter
TypeScriptTypeScript
JavaScriptJavaScript
Tailwind CSSTailwind CSS

Others

GitGit
GitHubGitHub
VercelVercel
FirebaseFirebase
Projects
I have worked on a wide range of projects. From android apps to web apps. Here are some of my projects.
All
Web Apps
Mobile Apps
Web3
Result: 7 projects
Bittip
ReactTypeScriptNext.jsSoliditySupabaseIPFS
Bittip
Personal
WebsiteWeb3
Crypto tipping platform for supporting content creators using Ethereum smart contracts, ensuring transparency, security, and efficiency.
AI Capital
ReactTypeScriptNext.jsSolidityUniswap
AI Capital
Personal
WebsiteWeb3
Crypto game where you try to convince an AI agent with wallet to invest in the token you like.
Smart Escrow P2P
ReactTypeScriptNext.jsSolidity
Smart Escrow P2P
Personal
WebsiteWeb3
A decentralized escrow service that ensures safe transactions between buyers and sellers of second-hand goods using blockchain and smart contracts.
CoinGenesis Launchpad
ReactTypeScriptNext.jsSolidityScroll
CoinGenesis Launchpad
Personal
WebsiteWeb3
A Web3 Launchpad Platform built on the Scroll Layer-2 Blockchain, offering unique features and a robust verification process for token deployment.
iOS Crypto Tracker
SwiftUIMVVM
iOS Crypto Tracker
Personal
Mobile App
A SwiftUI app that tracks cryptocurrency prices using the CoinGecko API, displaying data in a clean, intuitive UI.
Self-Custodial Crypto Wallet
FlutterDart
Self-Custodial Crypto Wallet
Personal
Mobile AppWeb3
A self-custodial cryptocurrency wallet built with Flutter for managing digital assets securely.
Rootstock Extension of Scaffold-ETH 2
ReactTypeScriptNext.jsSolidity
Rootstock Extension of Scaffold-ETH 2
Personal
WebsiteWeb3
An extension of Scaffold-ETH 2 to support development on the Rootstock sidechain, providing tools to build and deploy dApps on Rootstock.
Experience
  • Freelance/Contract Logo
    Blockchain Developer
    Freelance/Contract
    April 2024 - Present
    Developed and deployed smart contracts on Ethereum, built decentralized applications, integrated token standards, and worked with decentralized storage using IPFS.
    Skills:
    • Solidity
    • Ethereum
    • React
    • Hardhat
    • Foundry
    • Wagmi
    • Scaffold-ETH
    • IPFS
  • Grid Dynamics Logo
    Android Developer
    Grid Dynamics
    Oct 2021 - April 2024
    Developed native Android applications using Kotlin, implemented clean architecture, and contributed to key projects, including analytics libraries and Jetpack Compose migration.
    Skills:
    • Kotlin
    • Jetpack Compose
    • Coroutines
    • Android SDK
  • Alfaleads Logo
    Android Developer
    Alfaleads
    Nov 2020 - Oct 2021
    Developed 30+ native Android apps, integrating attribution and push services for enhanced user engagement.
    Skills:
    • Kotlin
    • Java
    • AppsFlyer
    • Onesignal
    • Appmetrica
Education
  • Cyfrin Updraft Logo
    Cyfrin Updraft
    Blockchain Development and Smart Contract Security
    2024
  • Google Developers Logo
    Google Developers
    Android Development with Kotlin
    2021
  • Harvard online Logo
    Harvard online
    CS50: Computer Science
    2020
  • City College of San Francisco Logo
    City College of San Francisco
    ESL
    2019
Contact

Email Me 🚀