- Neon Wallet – Over US$1 Billion in traded volume
- Runin Multilaser – Embedded in over 20 Million devices
- iTrack – 50 Million invoices registered; 60k delivery mans; 2k companies
- Apptite – US$1.6 Million in GMV; 100k deliveries; 50k users
- Sharity – R$ 2 Million in donations; 100k users
- Desabafa - 700k posts
I excel in architecting solutions, understanding stakeholder demands, documenting requirements, and planning solution structures, along with discovery processes and roadmap management.
I began my software development journey as a self-taught learner in middle school and pursued a technical programming course in high school. After high school, I worked as a full-stack web developer and then earned a Computer Science degree, gaining valuable experience at various companies, including NIC.br. There, I specialized in full-stack web and native Android development. Later, I co-founded Simpli, a startup that grew into a successful software house, delivering diverse projects, including blockchain development. This period helped me evolve as both a developer and a leader.
Anthropic Killed the Cheapest Way to Add AI to Your App
MCP officially deprecates Sampling on July 28 — the feature that let a third-party app borrow a user's own AI subscription instead of paying for inference itself. A look at which clients ever actually implemented it (Claude Desktop and Claude Code never did), why the "low adoption" rationale is circular, and the one pattern for free AI in your app that survives the change.
AI and Blockchain in 2026 - A Developers Map
A developer's field guide to where AI and blockchain actually meet in 2026: agent payments with x402, on-chain agent identity with ERC-8004, AI in the contract writing and audit loop, and decentralized compute with verifiable inference. It separates what genuinely shipped from what's still a demo, and points to where a developer can start.
What AWS Blocks Is Really For
AWS Blocks is a new open-source TypeScript framework that turns your backend code into the AWS infrastructure that runs it, an approach called Infrastructure-from-Code. This piece covers what Blocks actually does, how it compares to earlier IFC tools like Encore.ts and Nitric, the lock-in and single-Lambda trade-offs worth watching, and why AWS's backing might finally push Infrastructure-from-Code into the mainstream.
At 33Labs (formerly 33Audits), I design and implement scalable backend services and application architecture for decentralized financial products.
The company began as a security auditing firm, which gave me daily experience preventing vulnerabilities in production systems. I work end to end — architecture, implementation, and automated testing — with security engineers involved throughout. This led me to a key conviction: review should start at the architecture stage, before any code is written. To support it, I built developer tooling and AI-assisted workflows that improved the team's productivity.
American Spend is a high-throughput financial platform combining yield generation with market-based price discovery.
Designed the backend architecture, including a hybrid market model that transitions between two distinct operating phases.
Developed distributed components for real-time market operations, with yield strategies on idle capital.
Worked closely with security engineers throughout development, incorporating feedback early to reduce iteration cycles.
Mosaic is a developer platform designed to make application development more accessible, cost-efficient, and secure through flexible, pre-audited, and composable components, with AI-assisted tooling for generating compositions from natural language.
Designed reusable backend components and contributed to the core architecture of the platform.
Built modular application services focused on scalability and maintainability, including a workflow for automated liquidity and price discovery.
Improved developer productivity through automation and AI-assisted tooling.
Collaborated on architecture decisions for distributed applications and developed abstractions supporting modular, extensible services.
BuidlGuidl is one of the most impactful builder communities in the Ethereum ecosystem. One of its core initiatives is the Batch Program, which helps onboard new developers into the Ethereum space. As a mentor in the program, I guide participants through their first steps contributing to open source using Solidity, Hardhat, Wagmi, and Next.js.
Jodobix is a decentralized betting game designed to be fully fair and autonomous. It leverages blockchain technology to eliminate intermediaries and guarantees that all betting value is distributed among players and contributors. I developed the entire project on my own, including the design of secure random number generation strategies that do not rely on trusted third parties.
Over 11 years I led engineering teams of up to 30 developers, including 5 team leads, and delivered 50+ production software projects — distributed enterprise systems for logistics, fintech, media, education and SaaS clients, plus our own proprietary platforms. I defined software architecture, technical roadmaps, engineering standards and delivery processes, and built scalable backend services using Java, Kotlin, Node.js, TypeScript, MySQL/PostgreSQL and REST/GraphQL APIs.
Simpli started as a startup building a B2C mobile product and pivoted within its first year into a software house delivering custom distributed applications, scaling organically through consistent delivery and client satisfaction. I played a key role in shaping both the technical direction and the business strategy, ranging from hands-on technical leadership to driving innovation through research, process design and early adoption of emerging technologies such as mobile and blockchain.
Below are more details about some key projects:
Enclave is an application for secure digital asset management, built so non-technical users can onboard as smoothly as in a traditional web app. It combines Abstract Accounts, WebAuthn authentication and sponsored transactions. In a small team, I owned the product vision, usability and the entire frontend, and contributed to the backend services it relies on.
BSLib is a multi-network TypeScript SDK that exposes common asset-management operations behind a single generic API, normalizing the characteristics of each underlying network. It ships implementations for NeoN3, NeoLegacy and EVM networks, and runs in production in desktop and mobile applications. As its creator, I designed the abstraction to maximize code reuse across my team's products.
In partnership with the Associated Press, Dapper Labs and COZ, Letter is a distributed authentication platform that lets systems validate access in a decentralized manner. I architected the solution: services on both networks (Neo and Flow), a reusable SDK that integrates both simultaneously behind one interface, and several key integrations.
Led the architecture of a production mobile application for secure digital asset management, with over $1 billion in traded volume, and later contributed to its desktop counterpart. Responsibilities included application architecture, backend and API integration, multi-network connectivity, secure authentication, managing multiple accounts simultaneously, WalletConnect integration, the protocol for network communication, and performance optimization.
A crowdfunding for charitable causes with more than 100 thousand users. I played a key role at the outset of the project, where I designed the database architecture, structured the project, and developed the most critical components of the application.
iTrack Brasil is a B2B delivery services platform, integrating multiple systems, with nearly 60,000 couriers. Key challenges included various integrations and optimizing large data volumes. With over 50 million invoices and 2,000 companies registered, the platform's growth was further boosted by its acquisition by MadeiraMadeira in 2021.
Apptite was a food delivery app for iOS, Android and the web. It gained recognition with acceleration by '500 Startups'. With media coverage, it established itself as an important platform in the artisanal food market. I was the main responsible for the initial planning, structuring and development of the platform.
Desabafa was an anonymous social network designed for emotional support and mutual understanding, featuring a robust security and monitoring system to ensure a healthy user experience. The platform received media recognition in the mental health sector and facilitated over 1 million interactions. I contributed to the planning, structuring, and development of the platform.
Multilaser, one of Brazil's largest cell phone and tablet manufacturers, faced high demand for quality control tests, which were previously done manually. I helped develop an Android application to automate these tests, covering CPU, RAM, GPS, screen brightness, and touch functionality. This automation significantly improved productivity in tablet production, and the app has since tested over 20 million devices.Anthropic Killed the Cheapest Way to Add AI to Your App
MCP officially deprecates Sampling on July 28 — the feature that let a third-party app borrow a user's own AI subscription instead of paying for inference itself. A look at which clients ever actually implemented it (Claude Desktop and Claude Code never did), why the "low adoption" rationale is circular, and the one pattern for free AI in your app that survives the change.
AI and Blockchain in 2026 - A Developers Map
A developer's field guide to where AI and blockchain actually meet in 2026: agent payments with x402, on-chain agent identity with ERC-8004, AI in the contract writing and audit loop, and decentralized compute with verifiable inference. It separates what genuinely shipped from what's still a demo, and points to where a developer can start.
What AWS Blocks Is Really For
AWS Blocks is a new open-source TypeScript framework that turns your backend code into the AWS infrastructure that runs it, an approach called Infrastructure-from-Code. This piece covers what Blocks actually does, how it compares to earlier IFC tools like Encore.ts and Nitric, the lock-in and single-Lambda trade-offs worth watching, and why AWS's backing might finally push Infrastructure-from-Code into the mainstream.