# 👋 About

<figure><img src="/files/yeLhP8cem9hyvwNjjGeu" alt="profile" width="188"><figcaption></figcaption></figure>

<p align="center"><code>Software Engineer | Blockchain | AI | Mathematician</code> </p>

:rocket:  I'm **Daniel Julian Rojas Cruz** a Blockchain and AI-focused Software Engineer with 7+ years of experience designing and building scalable backend and full-stack systems across decentralized and AI-enhanced environments. Specialized in Ethereum development, including EVM clients, smart contracts, DeFi protocols, and NFT/DEX architectures, using Solidity, Yul, and TypeScript. Experienced in enhancing development workflows with AI tools such as Claude Code, Cursor, and Devin AI to improve automation, analysis, and productivity. Skilled in system architecture, microservices, and cloud infrastructure (AWS, GCP), with a strong foundation in algorithms, data structures, and optimization. Certified Blockchain Developer and AWS Solutions Architect, passionate about building secure, efficient, and intelligent systems at the intersection of blockchain and artificial intelligence.

**Languages:** English / Spanish

{% hint style="success" %}
I'm interested in Blockchain and Artificial Intelligence
{% endhint %}

***

### :computer: Skills

**Programing Languages:** Solidity, Yul, Cadence, Python, Ruby, Rust, Javascript, Typescript, C++, C

**Frontend:** Vue JS, Next JS, Vite, NodeJS

**Backend:** Django, FastAPI, RoR, REST API

**Blockchain:** Ethereum, Solana, Flow, Web3, Ether.js, Hardhat, NFT, Tokenomics, DeFi, Mev

**AI Tools:** Claude Code, Codex, Devin, Gemini CLI

**Databases:** MySQL, PostgreSQL, MongoDB, AWS RDS, AWS DynamoDB, Redis

**Testing:** Pytest, Unit testing, integration testing, e2e testing

**Cloud Services / DevOps:** AWS, GCP, AWS EC2, AWS S3, AWS Amplify, Github Actions

***

### :man\_student: Education

2024

**Blockchain Developer | Alchemy University**

2017 - 2022

**Bachelor's degree in Computer Science | University of Engineer and Technology (UTEC)**

***

### :mortar\_board: Certifications

AWS Solutions Architect | Amazon Web Services

AWS Cloud Practitioner | Amazon Web Services

Advanced Solidity: Understanding and Optimizing Gas Costs | Udemy

Master Ethereum & Solidity Programming | Udemy

Advanced Solidity: Yul and Assembly | Udemy

### Jump right in

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Awards</strong></td><td>Check my list of awards</td><td></td><td><a href="/pages/kuPZB2EDbL6lcj5m1pce">/pages/kuPZB2EDbL6lcj5m1pce</a></td></tr><tr><td>Blockchain Projects</td><td>Check my latest projects</td><td></td><td><a href="/pages/GouSnSj7eJUF9LaCMvb3">/pages/GouSnSj7eJUF9LaCMvb3</a></td></tr><tr><td>Contributions</td><td>Check projects contribution</td><td></td><td></td></tr></tbody></table>


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