SOFTWARE DEVELOPER
FATIMA
I am a full stack web3 developer based in Uruguay. dApps, EVM smart contracts, Solana programs.
Hello! I'm Fatima Castiglione Maldonado
🚀 Senior Full Stack Web3 & Blockchain Developer (Ethereum/Solidity & Solana/Rust)
📍 Location: Montevideo, Uruguay
📧 Email: castiglionemaldonado@gmail.com
📱 Telegram: @Fatima_CM
🔗 LinkedIn: fatima-castiglione-maldonado
📚 Medium: @FatimaFlash
📖 Book: Introduction to Blockchain with Ethereum
💼 Professional Experience
Triton.one | 2024 - Present
Rust/Solana Developer - Isle of Man
Development in Rust on Solana (devnet and mainnet)
Identity management and transaction processing
Implementation of scalable blockchain solutions
XCQR Core (Exchequer) | Feb 2025 – May 2025
Senior Blockchain Developer
Smart Contracts: Development of complex contracts for DeFi protocol for liquidity management and distribution of financial instruments
Modular Architecture: Implementation of Registry, Factory, Builder and Adapter patterns for smart contracts
DEX Integration: Management of liquidity positions in Uniswap V2/V3 with custom adapters
Distribution System: Creation of system for financial instruments with support for fixed prices and auctions
Backend Development: RESTful APIs, blockchain event listeners, DeFi data indexing
Swarm Network | 2023 - 2024
Blockchain Developer - Slovenia
Solidity and Go developer.
Build a dApp to allow access to a bridging system.
Also worked as a technical tester for a distributed file system.
Also worked on an SDK.
Chromaway | 2022 - 2023
Blockchain Developer - Stockholm
Solidity, Go, Rell for smart contracts
NFT marketplace + bridge development
Development of blockchain game with blockchain technology
Mintlayer / RBBLab | 2021 - 2022
Smart Contracts Developer - San Marino
Solidity + HardHat for contract development
Token and TGE with vesting schedules
Staking dApp with Web3 integration
The Privi Project | 2021
Ethereum Developer - London
Ethereum, HardHat, IPFS for NFT protocol
NFT protocol for music with royalty management
Integration with decentralized payment systems
Ethernity Consultancy | 2020
DeFi Consultant - Montevideo
DeFi with NFTs and decentralized protocols
Document tracking system with IPFS
Development of enterprise blockchain solutions
Azumo Consultancy | 2019
Technical Lead - San Francisco
Technical leadership in blockchain projects
Backend for beverage supply chain system (Chai Vault)
Architecture of enterprise solutions
The Hydro Project | 2019
Blockchain Developer - Texas
Protocol for issuing regulated Securities on Ethereum
Implementation of compliance and financial regulations
Smart contracts for traditional financial instruments
Packt Publishing House | 2017 - 2018
Technical Author - London
Author of the book: Introduction to Blockchain with Ethereum
Available on Amazon
Contribution to global blockchain education
SouthX Consultancy | 2013 - 2018
Senior Developer - Buenos Aires
Python (2013-2016) for bitcoin exchange
Solidity (2017-2018) for DEX and other DeFi projects
Development of decentralized financial solutions