Senior Developer Relations Engineer
Paudalho, Pernambuco, Brazil
Senior Developer Relations Engineer with 10+ years of engineering experience spanning enterprise architecture, computer vision research, and web3 protocol development. Currently leading DevRel at NERO Chain (Japan). Trilingual technical writer (EN/JP/PT) with deep experience across Account Abstraction, smart contract development, and AI-augmented development workflows.
Salary
USD 72,000 – 120,000
NERO Chain
Feb 2025 — Present
Led DevRel at NERO Chain (Japan, remote). Shipped the first AA-native x402 payment scheme on NERO testnet. Built nero-auth, eliminating a 6-figure third-party Web3Auth dependency. Led Documentation 1.0 overhaul reducing Discord support tickets by 65%. Scaled AKINDO WaveHack to 200 builders across 30 countries with 91 submissions and 100% mainnet conversion. Resolved 878 Discord tickets. Launched NERO Labs, NERO LINE Points System, NEROGotchi, NERO YOSO prediction market, and published @nerochain/nero-wallet on NPM. Planned Build on NERO side event at WebX Tokyo 2025.
Vivo (Telefônica)
Sept 2024 — Feb 2025
Designed enterprise API strategy across REST, GraphQL, gRPC, and SOAP for one of Brazil's largest telcos. Implemented event-driven architectures using Kafka, RabbitMQ, and Azure Event Hub. Governed API gateway estate (Azure API Gateway, Kong, Apigee, AWS API Gateway) and identity patterns (OAuth2, OpenID Connect, JWT). Led cross-functional alignment on integration roadmaps.
Cartesi
Nov 2023 — Sept 2024
Onboarded 100+ projects into the Cartesi developer ecosystem. Organized 3 online hackathons and 2 in-person masterclasses (Nigeria, Brazil) for 1000+ developers across 5 events. Built developer onboarding tooling including code templates and Solidity contracts. Authored 2 Udemy courses and 5 Medium articles. Co-led DevRel program operations.
Cartesi
Jan 2023 — Nov 2023
Built the first OpenCV application running in a decentralized, provable execution environment on Cartesi Rollups. Developed 5 decentralized applications across AI, biometrics, and computer vision domains. Presented at ETHGlobal Bogotá. Provided technical support to the Cartesi developer community via Discord.
Locus Custom Software
Jul 2021 — Nov 2023
Led a small engineering team on a key client account. Drove solution architecture decisions, internal process design, and customer-facing technical interactions. Java EE stack (JSP, JSF, MS SQL Server) with focus on commercial automation systems.
NCR Tech / OKI Brasil
Jul 2014 — Jul 2021
Multi-year career in biometrics and computer vision engineering. Built finger and face biometric algorithms and SDKs in Java, C++, JavaFX, and Xamarin/C# across desktop and Android platforms. Researched biometric algorithms in MATLAB during graduate-track research. Roles progressed from Intern to Software Engineer to Master's Scholarship to Tech Lead.
MSc · Computer Science
? – 2019
BEng · Computer Science
? – 2016