👋 About
Software Engineer | Blockchain | AI | Mathematician
🚀 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
I'm interested in Blockchain and Artificial Intelligence
💻 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
👨🎓 Education
2024
Blockchain Developer | Alchemy University
2017 - 2022
Bachelor's degree in Computer Science | University of Engineer and Technology (UTEC)
🎓 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
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