David Raigoza

David Raigoza

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Medellín, Antioquia, Colombia

Contact David regarding: 
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Full-time jobs
Starting at USD12/hour

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Résumé


Jobs verified_user 0% verified
  • Q
    Designer
    QIENeobank
    May 2026 - Current (2 months)
     Designed and deployed 6 smart contracts (Solidity 0.8.24, OpenZeppelin 5) to mainnet on QIE Blockchain, including an ERC-4626 yield vault, soulbound identity passport, and on-chain credit scoring engine.  Built a behavioral credit scoring system (300-850 score) derived from 5 on-chain components with 7- day aging logic to prevent score manipulation; implemented four loan tiers from Bronze to Platinum up to $50k at 8% APR. Shipped a production frontend in Next.js 16 with a custom design system, RainbowKit + Wagmi + Viem wallet integration, and Tailwind CSS dark fintech aesthetic. Live at qie-bank.vercel.app.
  • B
    Protocol Designer
    Bruma Protocol
    Jan 2026 - Current (6 months)
    • Chainlink Hackathon, Designed and built an Ethereum-based rainfall derivatives protocol enabling users to hedge and trade rainfall risk. • Integrated Chainlink oracles for automatic on-chain settlement based on real-world weather data. • Developed full-stack dApp interface, smart contract architecture, and tokenomics model.
  • S
    Smart Contract, Security Research Bug Hunter
    Sherlock, Code4rena and Cantina
    Jan 2025 - Jan 2026 (1 year 1 month)
    • Manually read code, and built test suites to prove vulnerabilities • Found low and medium vulnerabilities in open competitions at Sherlock • Used AI, and formal verification using Certora to mathematically prove vulnerabilities
  • Virtual Latinos
    Digital Marketing Specialist
    Virtual Latinos
    Jan 2023 - Jan 2024 (1 year 1 month)
    • Managed LinkedIn and Instagram channels for a US-based executive coach, developing content calendars in Buffer and tracking engagement KPIs via Meta Business Suite. • Produced monthly performance reports covering reach, engagement rate, follower growth, and content effectiveness for client review. • Created video content and editorial posts aligned with the client's personal brand strategy in a competitive niche. • Built and executed a structured content strategy from scratch, operating fully remotely within a US-facing team and managing all deadlines and client communication in English.
  • P
    Co-Founder
    Private Crypto & Equities Fund
    Jan 2016 - Jan 2023 (7 years 1 month)
    • Co-founded a long-term investment vehicle focused on cryptocurrency and equities with a small group of partners. • Participated in multiple Web3 hackathons, building expertise across DeFi, NFT, and DAO ecosystems.
  • Universidad Nacional de Colombia
    Researcher & Artist
    Universidad Nacional de Colombia
    Jan 2014 - Jan 2016 (2 years 1 month)
    • Completed MA with Honours. Thesis project 'Frustramatic' explored the creation of a peso stablecoin on Ethereum during its proof-of-work era. • Pioneered early blockchain research in the Colombian academic context, combining art, economics, and distributed systems.
  • P
    Creative Director & Founder
    Pepe Matilda
    Jan 2011 - Jan 2016 (5 years 1 month)
    • Founded own jewelry brand awarded the Lápiz de Acero in 2013, Colombia's most prestigious industrial design award. • Developed and commercialized a proprietary microcasting system for complex shapes; researched 3D prototyping for advanced metal castings. • Established commercial partnerships with Museo de Arte Moderno de Medellín (MAMM) and Museo de Antioquia.
  • FUNDICION GUTIERREZ
    Jewelry Designer
    FUNDICION GUTIERREZ
    Jan 2010 - Jan 2011 (1 year 1 month)
    • Designed jewelry collections for the company and international clients abroad. • Gained deep hands-on expertise in metal casting, production processes, and quality finishing.
Education verified_user 0% verified
  • Virtual Latinos
    ChatGPT Prompt Mastery
    Virtual Latinos
    May 2026 - Current (2 months)
  • Virtual Latinos
    Pathway to automation part 1: Foundations and Planning part 2: Building Lab with Zapier
    Virtual Latinos
    May 2026 - Current (2 months)
  • HubSpot
    Social Media Marketing
    HubSpot
    May 2026 - Current (2 months)
  • Virtual Latinos
    Project Management Lifecycle
    Virtual Latinos
    May 2026 - Current (2 months)
  • Virtual Latinos
    AI for Productivity Foundations
    Virtual Latinos
    May 2026 - Current (2 months)
  • Virtual Latinos
    Introduction to Navigating AI in Content Creation
    Virtual Latinos
    May 2026 - Current (2 months)
  • Virtual Latinos
    Real Estate Foundations
    Virtual Latinos
    May 2026 - Current (2 months)
  • Udemy
    Figma UI/UX Design Essentials
    Udemy
    May 2024 - Current (2 years 2 months)
  • LinkedIn Learning
    Fundamentals of Professional Networking
    LinkedIn Learning
    May 2024 - Current (2 years 2 months)
  • E
    EF SET English Certificate 69/100 (C1 Advanced)
    EF SET
    May 2024 - Current (2 years 2 months)
  • Universidad Nacional de Colombia
    Master of Arts, Honours
    Universidad Nacional de Colombia
    Jan 2014 - Jan 2016 (2 years 1 month)
    Thesis: Frustramatic (Ethereum stablecoin research)
  • EAFIT University
    B.Sc. Product Design Engineering
    EAFIT University
    Jan 2004 - Jan 2011 (7 years 1 month)
Awards verified_user 0% verified
  • M
    MA with Honours
    Jan 2016
  • L
    Lápiz de Acero
    Jan 2013
  • C
    Capital Semilla
    Jan 2013