Ricardo Carvalho
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Software Engineer | Fullstack | Mobile | Blockchain | React | Node | Typescript
Goiânia, State of Goiás, Brazil
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FreelancerOutlierFeb 2025 - Current (1 year 5 months)AI prompt training, inspection, validation and optimization. Some as multi modal approach using voice recognition and sound engineering.- Full Stack EngineerLawmaticsApr 2022 - Jan 2025 (2 years 10 months)As a Full Stack Engineer, I contributed to maintaining and improving a CRM-like application tailored for law firms. I was responsible for creating a two-way file storage integration between law firm files and cloud storage services such as OneDrive and Google Drive. I designed a complex architecture using Rails, PostgreSQL, and Sidekiq to synchronize over 1 million files continuously across 50+ law firms, ensuring seamless access to matter and contact-related documents. React.js with TypeScript for the front-end development, implementing a GraphQL bridge to enhance data retrieval and user experience. My expertise in CI/CD practices and software engineering principles further supported the efficient deployment and maintenance of the applicat
- Frontend Blockchain EngineerYLDApr 2022 - Apr 2023 (1 year 1 month)Worked as mobile developer for Ledger company in a project that integrates its mobile application with hardware/cold wallets using react native, web3 and communicating with Metamask. Also worked as frontend engineer for a NFT marketplace related to sports (NBA and MLB) and developed new features like user missions and pack management using reactjs and graphq
- Blockchain DeveloperEthernity ChainJan 2021 - Jan 2022 (1 year 1 month)Worked on an NFT marketplace creating weekly NFT pack launching related to famous artists. Also responsible for the frontend implementation and execution of rare NFT auctions include Messi's football play one which was sold by $1 million by then ( https://dappradar.com/blog/lionel-messi-nft-sold-for-1-million-on-ethernity )
- Fullstack Software Engineerresolution GmbH Atlassian Platinum Top VendorOct 2020 - Apr 2022 (1 year 7 months)- Responsible for developing Atlassian marketplace apps from scratch, including integrations for Jira with monday.com and HubSpot CRM, as well as a Miro integration for Confluence. - Utilized a range of technologies including Node.js, JavaScript, and TypeScript to create robust applications, while implementing CI/CD practices to streamline deployment processes. - Employed front-end development skills with frameworks such as React.js and Redux, ensuring a seamless user experience across all applications. - Integrated MongoDB as the selected database for several developed plugins, enhancing data management and storage capabilities. - Collaborated within a Scrum framework to deliver high-quality software solutions, leveraging Git for versi
- Lead Software EngineerSHARKTOWERFeb 2020 - Aug 2020 (7 months)Responsibilities Led a team of 4 software engineers to improve a planning tool where users could draw and edit project plans collaboratively in real-time, with a clear view of dependencies.
- Tech LeadMudanoApr 2019 - Feb 2020 (11 months)Responsibilities: Led a team of 5 software engineers to solve performance issues and add new features into one of the most complex modules of a Project Management application. The module was a collaborative drawing tool called Plan Management, designed to replace Microsoft Project. Impact: Finished what was missing in order to launch the application as a SaaS. Tech Stack: React, SVG, GraphQL, NodeJS, Flowjs, and Postgres. Additionally, utilized Three.js to enhance the collaborative planning tool's functionality, enabling more dynamic and interactive user experiences, which significantly contributed to the overall performance optimization and feature development of the application.
- Fullstack Software EngineerMudanoSep 2016 - Feb 2020 (3 years 6 months)As a Software Engineer, I was responsible for building and enhancing various modules of a Project Management application utilized by UK financial institutions. I developed a comprehensive dashboard in React for a Resourcing Manager tool, which effectively displayed all resources across portfolios, projects, and departments. This included features such as listing personnel, roles, vacancies, and budgets, as well as reading forecasts to illustrate the company's state in both the future and past. Additionally, I implemented key functionalities like copy and paste, zoom navigation, infinite board, and undo/redo for a drawing tool used by Delivery Managers to facilitate project planning. My technical expertise encompassed React, GraphQL, Node.js
- Ionic/Cordova DeveloperKambdaDec 2015 - Aug 2016 (9 months)Launched two apps for Google and Apple store using web technologies in a hybrid framework. An interesting fact is that one of the apps was previously built in native code and it was requested to be migrated to the hybrid one, it usually happens the opposite.(Cordova, Ionic, Typescript, AngularJS, HTML, CSS)
- Mobile Application And Web DeveloperEasyCréditoMar 2015 - Aug 2016 (1 year 6 months)Migrated an entire backend application from Laravel(PHP)/MySQL to Grails(Groovy)/Postgres. Created integrations with financial institutions and brazilian banks. Integrated company data with SAP HANA. Created the mobile app for Goole and Apple stores using web technologies on a hybrid framework (Cordova, AngularJS)
- TCo FounderTippz MobileOct 2012 - Jul 2016 (3 years 10 months)Tippz is a free app that allows access to the menu and promotions of bars and restaurants, allowing you to make your requests on the table right from your smartphone!
- Web DeveloperFibonacci Solucoes AgeisDec 2010 - Mar 2012 (1 year 4 months)Web applications using Groovy and Grails framework
- Co FounderPontoGet InovaçãoOct 2010 - Aug 2016 (5 years 11 months)Project Manager Web development (Grails, AngularJS) Hybrid Mobile development (Cordova, AngularJS)
- HAutomation Engineer / Web DeveloperHPS High Precision System TecnologiaFeb 2010 - Oct 2010 (9 months)Web application usaing Java and Flex Integration with residential automation
- GApplication DeveloperGrupo Educacional ÁvilaDec 2009 - Mar 2010 (4 months)Development of educational application using Flex Users support
Education
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- Bachelor of Engineering (BE, Computer EngineeringUniversidade Federal de GoiásJan 2008 - Dec 2012 (5 years)
Projects (professional or personal)
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- CComecorda AppFeb 2021 - Feb 2022 (1 year 1 month)Creator of an app that gather a community of a 5 millions followers instagram page.
- UUncommenJan 2016 - Jan 2017 (1 year 1 month)https://play.google.com/store/apps/details?id=com.menofcouragefoundation.uncommen
- OOkrooJan 2016 - Dec 2016 (1 year)Still in Beta
- EEasyCréditoMar 2015 - Sep 2016 (1 year 7 months)
- TTippz MobileOct 2012 - Dec 2019 (7 years 3 months)Mobile app for awesome experience at restaurants and bars. Developed for multiple platforms using Phonegap/Cordova e WebDevelopment. Available for Android e iOS.