Edgar Zorrilla

Summary

Senior Full-Stack Engineer with over 10 years of experience architecting, developing, and deploying scalable, high-performance web applications and microservices. Expertise across the full software development lifecycle, with advanced specializations in AI-powered automations and decentralized Web3/DeFi solutions. Highly proficient in modern technology stacks including React, Node.js, Python, Solidity, and cloud platforms like AWS and GCP. A proactive problem-solver committed to writing clean code and delivering innovative, user-centric products.

Technical Skills

• Frontend Development: Solidity, Hardhat, Ethers.js, Web3.js, The Graph, IPFS, Smart Contracts (ERC-20/721), DeFi, Gnosis Safe
• Backend Development: Node.js (Express, tRPC), Python (FastAPI, Django), Ruby on Rails, REST & GraphQL APIs, Microservices Architecture
• Web3 & Blockchain: Solidity, Hardhat, Ethers.js, Web3.js, Smart Contracts (ERC-20/721), DeFi Concepts, The Graph, IPFS
• AI & Data: LLM Integration (OpenAI, Gemini), LangChain, RAG Pipelines, Vector Databases, SQL (PostgreSQL), NoSQL (MongoDB, Redis)
• DevOps & Cloud: Docker, CI/CD, AWS, Google Cloud Platform (GCP), GitHub Actions, Sentry, Vagrant

Professional Experience

• Senior Full-Stack Developer - SmartPorts | Mexico City (Hybrid) (Apr 2025 - Aug 2025)
  
  • Architected and developed a decentralized finance (DeFi) platform for fractional investment in maritime containers, engineering Solidity smart contracts (ERC-721/ERC-20) and building a dApp with React, TypeScript, and Ethers.js.
  • Designed and implemented scalable, AI-powered automation solutions using Python, Ollama, and LangChain to create LLM-based microservices and data-extraction pipelines deployed on Google Cloud.
• Full-Stack Developer - UNISOFOM | Mexico City (Nov 2024 - Jan 2025)
  
  • Designed, developed, and maintained scalable web applications using Ruby on Rails, focusing on API creation and optimization (REST & GraphQL).
  • Developed responsive front-end interfaces with Angular and React, collaborating with the UI/UX team to translate Figma designs into functional components.
• Web Development Specialist - Vaperanger | Mexico City (Remote) (Sep 2022 - Nov 2024)
  
  • Maintained and enhanced high-traffic e-commerce platforms using Shopify (Liquid) and BigCommerce (Stencil), ensuring optimal performance and user experience.
  • Implemented custom API endpoints using Node.js to integrate third-party services and automate internal workflows.
• Full-Stack Developer - Entravision | Mexico City (Remote) (Sep 2020 - Dec 2021)
  
  • Developed and maintained enterprise-grade web applications on the WordPress VIP platform, building front-end interfaces with React and back-end services with Node.js.
  • Collaborated in an international agile team, utilizing AWS for cloud infrastructure and managing deployment pipelines through GitHub.
• Full-Stack & Open-Source Developer - Freelance | (Remote) (Jun 2014 - Present)
  
  • Delivered end-to-end custom web applications for international clients across diverse industries, utilizing technologies such as Ruby on Rails, PHP, and Node.js.
  • Specialized in custom e-commerce solutions, CRM/ERP systems, and complex API integrations, focusing on scalability and performance.

Personal Projects

CapiCoin (ERC-20 Token & dApp)

• Developed and tested a fully compliant ERC-20 token on the Ethereum testnet using Solidity and OpenZeppelin contracts to master tokenomics and supply management.
• Built a simple dApp interface with React and Ethers.js for token interaction, demonstrating the full lifecycle of a cryptocurrency.

Education

• Bachelor of Systems Engineering - UTEL University (2019 - 2025)