Carlos Mayorga Aguirre
Madrid, Spain ·-https://www.linkedin.com/in/carlosmayorga/ | https://github.com/cmayorga
Professional Summary
Senior Blockchain Developer with over 5 years of hands-on experience building and deploying
secure, production-grade Ethereum-based applications, and more than 25 years of experience as
a Full-Stack Software Developer across a wide range of technologies.
More than 18 years developing trading systems / indicators for Sports exchanges, Financial
markets with NinjaTrader & Metatrader, Crypto exchanges, CEX and DEX.
Strong expertise in smart contract development for DeFi, NFTs, and EVM-compatible chains.
Proven track record working remotely with international teams.
Highly skilled in Solidity, Hardhat, Truffle, Ganache, Foundry, and Web3 integrations. Also
experienced in smart contract auditing and best practices. Full-stack capable (React, Node,
Python, AWS Full Stack), with a passion for modular architecture, automation, and Web3
innovation.
Core Skills
• Smart Contract Development: Solidity, Hardhat, Truffle, Ganache, Foundry, OpenZeppelin,
Ethers.js, Web3.js, ERC20/721/1155, Upgradeable Contracts
• Blockchain & Web3: EVM-compatible networks, DeFi Protocols, NFT Platforms, Wallet
Integration, Oracles (Chainlink, Provable), Lending & Loan Systems, The Graph, IPFS, Bitquey,
Covalenthq, PoW mining
• Full-Stack Engineering: React.js, Node.js, Express, Python, C++, Java, AWS Full Stack (API
Gateway, Lambda, DynamoDB, EC2, IAM, S3, CloudFormation, etc.), REST APIs, MySQL,
PostgreSQL, MongoDB
• Security & Auditing: Static & dynamic analysis, Reentrancy & overflow protection, Peer review &
test coverage, Mythril, Manticore
• Dev & Ops Tools: Docker, Git, GitHub Actions, CI/CD, Agile, JIRA, Notion, Figma
Professional Experience
Senior Blockchain Developer / Full-Stack Engineer
Protokol.com (Remote, 2020–Present)
- Led smart contract development and security audits across multiple DeFi and NFT projects..
- Integrated complex smart contract systems (Solidity, Hardhat, Truffle, Ganache) with React,
Node.js, and AWS infrastructure.
- Conducted peer code reviews and implemented best practices for secure smart contract design
(upgradeability, role-based access control).
- Developed Python/Typescript based backend APIs and deployed on AWS full stack (API
Gateway, Lambda, DynamoDB, S3, CloudFormation).
Freelance Blockchain Developer & Trading Automations Developer
TakeProfitBots.com & Multiple clients (Remote, 2017–Present)
- Built automated trading bots for DEX like Uniswap and PancakeSwap, and most known CEX
like Binance, HitBTC,Bittrex, as well as betting exchanges like Betfair..
- Developed custom indicators and trading automations for NinjaTrader, MetaTrader, TradingView
- Designed and deployed smart contracts for DeFi yield farming, staking systems, and NFT
collections.
CTO & Lead Engineer
Quantum Passenger / Katlas Technology (Remote,-)
- Led blockchain integrations for AI health systems (UK NHS, Soathecam), focusing on security ,
data integrity and role2role identity management.
- Developed and deployed full-stack applications (React, Node.js, Python) on AWS, supporting
sensitive healthcare data management.
- Architected and managed crypto ATM systems for buying and selling digital assets, ensuring
compliance and security.
- Designed and operated mining platforms with ASICs and GPUs, optimizing performance and
operational stability.
Other experience
20+ years as Full Stack developer and R&D Head engineer using multiple technologies and
delivering innovative solutions across diverse sectors.
Education & Certifications
- B.Sc. in Computer Science – Universidad Pontificia de Salamanca
- Consensys Certified Ethereum Developer (2022)
- Certified Blockchain Developer – Ethereum (CBDE) – Blockchain Training Alliance
- NinjaTrader Certified Developer
- Multiple advanced courses in dApps development, project management, security, full-stack
engineering, and algorithmic trading.
Portfolio & Links
- GitHub: github.com/cmayorga
- Personal Site: www.buclelabs.com
- LinkedIn: linkedin.com/in/carlosmayorga
- Freelancer.com: freelancer.com/u/carlosmayorga
