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Ruben Santana - Blockchain Developer

Ruben Santana

Web Developer, Smart Contract Engineer & Computer Science Professor

Experienced EVM developer and educator. Certified blockchain specialist building open-source solutions and contributing to the decentralized ecosystem. Core Member ETH Venezuela & Co-founder ETH Aragua.

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Key Achievements

B9LAB Certified

Ethereum Developer Certification from London's premier blockchain academy

Community Leader

Core ETH Venezuela & Co-founder ETH Aragua, reaching communities and developers

Open Source Contributor

Multiple projects built with opensource principles, and contributing to Web3 education

Featured Projects

Showcasing my most impactful work in blockchain development, community building, and business solutions.

Ethereum Certification System
Ethereum Certification System
dApp
Decentralized application for certification of courses with blockchain verification
SolidityEducationCertificatesdApp
Live SiteCode
Alicanto Group
Alicanto Group
Business Website
Construction and engineering services company website
BusinessContractorServicesEngineeringConstruction
Live Site

Latest Articles

Insights on blockchain development, Web3 education, and the future of decentralized technology.

Privacy and Tornado Cash
Dec 2024
Privacy in DeFi: The Tornado Cash Case
Exploring the implications of privacy tools in decentralized finance and regulatory challenges.
Read More
The Infinite Garden
Jan 2025
The Infinite Garden
A metaphor capturing Ethereum's essence: A garden is never something you finish, but something you always begin.
Read More
Blockchain Seminar 2025: Onboarding
Jan 2025
Blockchain Seminar 2025: Onboarding
A comprehensive journey introducing blockchain technology and practical applications. The event brought together professors and tech enthusiasts in a learning, networking, and professional development space focused on Web3 initiation.
Read More
View All Articles

About Me

Experience

Backend, Smart Contract Engineer

HODL Markets • 2025 - Present

Specialized development of secure smart contracts and DeFi protocols. Conducting security reviews and optimizing code for efficiency.

Professor, Blockchain Certificate Program

UCAB • 2024

Leading Solidity training courses and Web3 development methodologies.

Professor, Ethereum Developer Pack

ETHKIPU • 2024

Teaching advanced Solidity programming and security principles.

SAP Development Analyst

ArcelorMittal • 2016-2018

Integrating systems, analyzing, programming, and testing SAP and Oracle applications.

Professor, Computer Science

UPTA • 2013 - Present

Managing computer projects, teaching algorithms, programming, and blockchain development.

Education & Certifications

Ethereum Developer Certification

B9LAB Academy, London • 2019-2020

Master in Computer Science

UPTA, Venezuela • 2018-2020

Advanced studies in computational systems and software engineering

Engineering in Computer Science

UPTA, Venezuela • 2008-2013

Comprehensive foundation in computer science and engineering principles

Technical Skills

Blockchain
SolidityWeb3.jsEthers.jsViem.jsHardhatFoundryTruffle
Frontend
ReactNext.jsTypeScriptTailwind CSSMaterial-UIShadcn/ui
Backend
Node.jsExpressAPI DevelopmentDatabase Design
Web3 Tools
WagmiRainbowKitScaffold-ETHThe Graph
Standards
ERC-20ERC-721ERC-1155DeFi ProtocolsDAO Governance

Some Projects

Portfolio of blockchain applications, business solutions, and community platforms.

Alicanto Group
Alicanto Group
Business Website
Construction and engineering services company website
BusinessContractorServicesEngineeringConstruction
Live Site
ETH Aragua Landing
ETH Aragua Landing
Community Platform
Ethereum Aragua community page
Next.jsCommunityWeb3
Live SiteCode
Blog Platform
Blog Platform
Content Platform
Ethereum Aragua Blog with educational content and privacy articles
BlogContentWeb3
Live SiteCode
ETH Venezuela Landing
ETH Venezuela Landing
Community Platform
Ethereum Venezuela community page
Next.jsCommunityWeb3
Live SiteCode
Faucet
Faucet
DeFi Tool
An EVM faucet site made with solidity, next, typescript, and tailwind to withdraw funds from a selected chain.
SolidityNext.jsTypeScriptDeFi
Live SiteCode
Ethereum Certification System
Ethereum Certification System
dApp
Decentralized application for certification of courses
SolidityEducationCertificatesdApp
Live SiteCode

Let's Connect

Interested in blockchain development, Web3 education, or collaboration opportunities? I'd love to hear from you.

Get in Touch

Telegram

@rubensantana

LinkedIn

Connect with me

Twitter

Check my timeline

GitHub

See my repos
Send Message

© 2026 Ruben Santana. Building the Web3 through open-source development and education.