Software Engineer with experience across blockchain engineering, backend systems, AI-driven applications, and data engineering. Strong background in runtime engineering, cryptographic security, cloud infrastructure, ETL workflows, and multi-chain blockchain solutions, with hands-on experience building AI agents, developer tooling, and scalable systems using Rust, Python, TypeScript, SQL, and AWS. Passionate about solving complex problems, leading high-impact projects, and building reliable products at the intersection of Web3, artificial intelligence, cloud computing, and data engineering.
Experience: 4 years
Yearly salary: $90,000
Hourly rate: $0
Nationality: 🇧🇷 Brazil
Residency: 🇧🇷 Brazil
Experience
Blockchain Engineer
BlockDeep Labs 2025 - 2026
Architected custom Substrate pallets and runtime upgrades for enterprise clients, enabling governance, staking, and cross-chain asset functionality across the Polkadot ecosystem. Built Rust-based developer tooling, CI workflows, and testing frameworks for testnet deployment, benchmarking, and runtime security validation. Helped build an AI-powered multi-chain portfolio agent that enabled users to analyze wallet positions, receive portfolio-aware recommendations, and prepare Web3 transactions through a chat interface. Integrated MCP-based routing, wallet data, and live pricing into the agent while improving reliability through grounded outputs, tool-use controls, and prompt-hardening for execution and financial-advice edge cases.
Blockchain Engineer
InvArch / AbstractedCo 2024 - 2025
Led development of the InvArch DAO Management Portal, building XCM-based asset and DAO management tools for the Polkadot ecosystem using TypeScript, React, and RPC integrations. Engineered runtime functionality for InvArch Network and Tinkernet using Rust and the Polkadot SDK (Substrate). Built MPC-based omnichain account solutions for secure cross-chain interactions, including AI agent-assisted MPC transaction flows that enabled agents and users to jointly participate in transaction initiation, approval, and execution. Developed an MVP SDK for secure blockchain interactions in Trusted Execution Environments (TEE). Researched and tested MPL-404 hybrid assets on Solana.
Founding Backend Engineer
Amo Varejo 2023 - 2024
Designed and developed the backend architecture for a retail-focused hiring platform, implementing secure authentication, password recovery, and an AWS SES-powered email system. Modeled and optimized PostgreSQL data structures on AWS RDS for performance, scalability, and application reliability. Deployed and managed cloud infrastructure across AWS and Cloudflare, improving platform reliability and operational security.
Data Engineer
V4 Company 2022 - 2024
Developed internal automation tools to eliminate manual workflows and improve lead-generation operations. Built and maintained Python-based ETL pipelines that ingested, transformed, and synchronized data across Pipefy, Salesforce, Google Ads, Facebook Ads, and TikTok Ads. Led a large-scale data migration of active and historical records from Pipefy and other sales platforms into Salesforce, improving data centralization and operational continuity.
Founder
Auto Lance 2022 - 2023
Built and launched automation software for investment brokers in Brazil, growing it into a profitable SaaS business. Acquired 25+ paying customers through strategic partnerships and network-driven expansion. Led product development, engineering, sales, and go-to-market strategy end to end before transitioning to new ventures.
Skills