- Fixed bugs and troubleshooted critical parts of the application for both native iOS and Android, in Swift and Kotlin, respectively. - Developed flows and screens in Flutter. - Worked in a high-scale distributed microservice ecosystem, with services written in Clojure language. - Planned and executed features from ideas to production. - Mentored and lead new engineers. - Led full-stack web app in React.js and Clojure (backend).

Mobile Tech Lead. Expertise in native iOS development. Also developing across mobile platforms (iOS and Android), both native and React Native, with backend/BFF in node.js.Focus on delivering valueVertical slicing of featuresBuild and Test Automation and PipelinesContinuous Integration and Continuous DeliveryGrowing and empowering team to have ownership of the productEvolutionary ArchitectureQuality Advocate

Mobile Tech Lead. Expertise in native iOS development. Also developing across mobile platforms (iOS and Android), both native and React Native, with backend/BFF in node.js.Focus on delivering valueVertical slicing of featuresBuild and Test Automation and PipelinesContinuous Integration and Continuous DeliveryGrowing and empowering team to have ownership of the productEvolutionary ArchitectureQuality Advocate

Project for a startup fintech in Brazil- Developed features in iOS/Swift, using ViewCode as UI, and MVP architecture- Tested features with Unit, Snapshot, Integrations and UI tests- Interactions with the Design team using Figma. - Led prioritization and help team keep focus before launching the product to the market- Developed metadata-based backend driven UI in Swift/iOS, where the order of flows, interactions and request for user input were JSON-driven.

POS system for top US retailer- Focused in Payments features- Developed Native iOS app features in Swift using Storyboard as UI. - MVC Architecture- Tested features using Pyramid: Unit, Integration, and Fusion/UI tests- Continuous Integration with Jenkins and CI automation (merges with master after build is green in Jenkins)

Worked with a top retailer in US market- Developed service in Java 8. - Used Reactive async architecture, Message Queue for processing, and, separation between stateful and stateless backend applications, 12factor methodology, splunk, cloud with Pivotal Cloud Foundry, blue-green deployment process.- Proposed and implemented functional reactive programming with RxJava - Continuous Integration with Jenkins. Working in an agile autonomous team with good practices: pair programming, TDD. Trunk-based development, with fail fast, recover fast policy.For the same top US retailer, but a different project (from March 2017 to December 2018):- Developed a Point Of Sale (POS) system in iOS/Swift, with backend in Java 8, to be used in the retailers stores by employees. Built the same POS system for both mobile experience (iPods/iPhones) and cashiers (iPads).- Worked as a Full-Stack Engineer first, then migrated to iOS-only- Improved features on the interface of Payments SDK, in Objective-C

- Developed system to extract and compare metadata from different CAE systems, including Intergraph and AVEVA tools.- Web development in ASP.NET (C# and VB) and Python (Django).

3D Project Automation- PDMS and PML programming

Web app to support the digitalization of forms for Hospital de Guadalupe, in Rio de Janeiro, specifically target for triage, consultation and follow-up of patients for tuberculosis investigation and treatment, with AI calculation for probability of tuberculosis based on prognostics and inputs from doctors and nurses. Data used as research about accuracy of AI-aided tuberculosis diagnosis.- C with CGI- Python/CGI- Django/WSGI