Tech
Senior Engineer · Available for select projects

Buildingmobileproductsthatscale.

Senior React Native & Full-Stack Engineer specialized in fintech, AI-powered applications, real-time systems, and production-grade mobile experiences.

7+
Years of Experience
10+
Production Apps
5
Industries
5+
International Markets
Portrait
About

Engineering products people actually use.

I help startups and established companies design and ship mobile products with the polish of a flagship app and the reliability of enterprise software. From the first architecture decision to the final App Store release.

Mobile Engineering

Native-grade React Native apps with deep performance work and offline-first patterns.

Product Development

From whiteboard to production. I think in shipped features, not tickets.

AI Integration

OpenAI, Claude, RAG and agentic workflows in real, paying products.

Full-Stack Capabilities

TypeScript end to end. Node, GraphQL, edge functions, observability.

Tools I reach for
React Native
TypeScript
Next.js
Node.js
AWS
Firebase
GraphQL
OpenAI
Claude
Docker
Experience

Seven years. Many industries.

Fintech, broadcasting, energy, education, marketing — selected engagements.

Jan 2026 — Present

Projeto 22

React & React Native Developer

Collaborating with the Mobile team on a Design System for Ipiranga, one of Brazil's largest fuel distributors. Architected a dashboard/back-office system for managing gas station network data at scale.

Oct 2023 — Jan 2026

Vector Casa de Bolsa

Senior React Native Developer

Architected and shipped a production financial investment app for iOS and Android with biometric auth, secure session management, and an AI-powered in-app assistant. Implemented JS obfuscation and AWS (S3, Lambda) to meet financial-sector compliance requirements.

Oct 2022 — Oct 2023

XGROW Tecnologia

React Native Developer

Designed and launched 5 educational mobile apps for financial literacy campaigns, reaching 10,000+ downloads on Google Play. Built a real-time passenger transport app with live geolocation, push notifications, and Firebase-powered in-app chat.

Aug 2020 — Sep 2022

Envixo Sistemas LTDA

React Native Developer

Built a full-featured food delivery app for the Angolan market and a laundry delivery app for Portugal. Engineered a multilingual (EN/DE) IoT companion app for smart baby cribs with Bluetooth Low Energy (BLE) integration.

May 2019 — Jul 2020

MG Network Marketing Digital LTDA

Software Developer

Built a high-volume bus ticketing platform serving Brazil, the Americas, Spain, Portugal, and the UK. Developed an offline-first mobile app for seed order management and a SCADA-style web panel for remote water treatment station control.

Jan 2018 — Apr 2019

Trentim Gestão e Tecnologia LTDA

Software Developer

Developed a fintech/crowdfunding platform connecting stores, clients, and gift registries with GPS-based store discovery. Built a subscription-based online fitness platform with video delivery, authentication, and payment integration.

Mar 2017 — Nov 2017

Empresa Mixta PETROPIAR, S.A.

Software Developer

Built a web application to control and monitor end-to-end contracting processes, from request submission through approval workflows to final digital signature.

Selected work

Products in production.

A small selection of recent mobile and full-stack projects.

Vector Trading
Fintech · Mobile
2024

Vector Trading

Brokerage trading app with real-time market data, advanced charting, and order management — built for retail investors in LATAM.

React NativeTypeScriptWebSocketsNode.jsAWS
AI Companion
AI · Mobile
2024

AI Companion

Conversational AI app powered by OpenAI and Claude, with custom RAG over user documents and voice-first interactions.

React NativeOpenAIClaudePineconeEdge Functions
XGrow Learning
EdTech · Platform
2023

XGrow Learning

Course platform serving 100k+ students with mobile-first learning experiences, offline lessons, and creator analytics.

React NativeNext.jsGraphQLFirebase
Realtime Operations
Energy · Dashboard
2023

Realtime Operations

Real-time operations dashboard for energy field crews. Live telemetry, geofenced alerts, and offline-capable mobile companion app.

React NativeNode.jsPostgreSQLMQTTDocker
What I do

Senior across the stack.

Depth where it matters. Breadth where it ships product.

Mobile Engineering

7+ years shipping production iOS and Android apps across fintech, e-commerce, logistics, and EdTech.

React Native & Expo

React Native CLI and Expo (EAS Build & Submit), Reanimated, NativeWind, MMKV, React Navigation, and OTA updates.

AI Integrations

Production experience with Anthropic Claude, OpenAI, Gemini, and Grok APIs — including an AI-powered in-app assistant shipped to a financial investment app.

Fintech Applications

Built a financial investment app with biometric auth (Face ID / Touch ID), secure session management, JS obfuscation, and AWS compliance integrations.

Real-Time Features

Live geolocation tracking, push notifications, and in-app chat powered by Firebase Realtime Database and Cloud Functions.

Backend & APIs

Node.js, Express.js, Apollo GraphQL, REST APIs, MySQL, and MongoDB — including high-volume transactional platforms with multi-currency support.

Cloud & DevOps

AWS S3 and Lambda, Firebase (Auth, Firestore, Realtime DB, Cloud Functions), Docker, GitHub Actions, and Bitbucket Pipelines.

End-to-End Delivery

Taken multiple apps from concept to App Store / Google Play release, coordinating with designers, backend engineers, QA, and product managers in Agile/Scrum teams.

Let's talk

Have a product to build?

Open to senior engineering roles, technical leadership and selective consulting.