Rafael Natã

Mobile Application Software Engineer

Salary / Daily rate

João Pessoa, State of Paraíba, Brazil

Freelance, open to permanent contract

Skills

React NativeFirebaseFrontend Development

Languages

EnglishPortugueseSpanish

About me

Intro

Mobile Application Engineer with 10+ years building cross-platform React Native apps and automated testing solutions. Specialized in hand-crafted responsive components, UI/UX optimization, and QA automation using Selenium and Detox. I deliver pixel-perfect mobile experiences with seamless performance across iOS and Android platforms.

Links

Work experience

Mobile Application Software Engineer

InstaDelivery

May 2022 - Present

4 years 6 months

Brazil, IN 47834, USA

Front-End Software Development of Mobile Applications using React Native developing hand-made cross-platform responsive components without any UI Kit and heavily using styled-components for impementation of many fallbacks to different versions of iOS and Android; User Interface and Usability Design working with improvement of responsive User Interfaces on Mobile Applications, implementation of concepts such as fluid-transition on navigation and interface updates, methods to implement responsive and cross-platform interfaces; Software Quality Assurance Engineer for Web and Mobile applications working with development of Automated Exploratory Tests using BrowserStack Selenium JS for React JS Web Applications and also Detox for React Native Mobile Applications, implementing smart tests which try to mimic the way real users read and react to user interfaces;

Software Quality Assurance Engineer

Popstand

Feb 2021 - Present

5 years 9 months

Los Angeles, CA, USA

Software Quality Assurance Engineer for Web and Mobile applications working with development of Automated Exploratory Tests using BrowserStack Selenium JS for React JS Web Applications and also Detox for React Native Mobile Applications, implementing smart tests which try to mimic the way real users read and react to user interfaces; User Interface and Usability Design working with improvement of responsive User Interfaces on Web and Mobile Applications, implementation of concepts such as fluid-transition on navigation and interface updates, methods to implement pixel-perfect models from figma, also creation of vectorized animations for punctual usage on a project; Front-End Software Development of Mobile Applications using React Native developing hand-made cross-platform responsive components without any UI Kit and heavily using styled-components for impementation of many fallbacks to different versions of iOS and Android, also integrated with many FireBase services; Front-End Software Development of Web Applications along the lines of React JS using Ant Design, Material UI and also SwiperJS for some implemmentations of responsive cross-platform user interfaces, always integrated with a couple of Firebase Services such as OAuth, Firestore, RealTime DB, Analytics, Storage, Cloud Functions, and so on; Back-End Software Development of Services and Cloud Functions to operate Social Networking like features such as Passwordless Login, Media Hosting, Optimizing, Sharing and Delivering, fundamental concepts for implementation of responsive cross-platform media content delivering;

Technology Director & Founder

CIAO Agência Digital

Jul 2014 - Present

12 years 4 months

PB - Brazil

Somos uma Agência Digital que vai utilizar todo nosso potencial pra criar a melhor propaganda para a sua empresa! Para isto, unimos a criatividade mirabolante do mundo artístico às tecnologias de ponta do mundo digital, fazendo dos nossos trabalhos tendências que conquistam as atenções! https://www.ciaoagenciadigital.com.br

Mobile Application Developer

Loop4

Oct 2022 - Dec 2023

1 year 3 months

São Paulo, State of São Paulo, Brazil

Front-End Software Development of Mobile Applications using React Native developing hand-made cross-platform responsive components without any UI Kit and heavily using styled-components for impementation of many fallbacks to different versions of iOS and Android; User Interface and Usability Design working with improvement of responsive User Interfaces on Mobile Applications, implementation of concepts such as fluid-transition on navigation and interface updates, methods to implement responsive and cross-platform interfaces; Software Quality Assurance Engineer for Web and Mobile applications working with development of Automated Exploratory Tests using BrowserStack Selenium JS for React JS Web Applications and also Detox for React Native Mobile Applications, implementing smart tests which try to mimic the way real users read and react to user interfaces;

Mobile Application Developer

Yupi Studios

Oct 2017 - Dec 2021

4 years 3 months

João Pessoa, State of Paraíba, Brazil

Software Quality Assurance Engineer for Web and Mobile applications working with development of Automated Exploratory Tests using BrowserStack Selenium JS for React JS Web Applications and also Detox for React Native Mobile Applications, implementing smart tests which try to mimic the way real users read and react to user interfaces; User Interface and Usability Design working with improvement of responsive User Interfaces on Web and Mobile Applications, implementation of concepts such as fluid-transition on navigation and interface updates, methods to implement pixel-perfect models from figma, also creation of vectorized animations for punctual usage on a project; Front-End Software Development of Mobile Applications using React Native developing hand-made cross-platform responsive components without any UI Kit and heavily using styled-components for impementation of many fallbacks to different versions of iOS and Android, also integrated with many FireBase services; Front-End Software Development of Web Applications along the lines of React JS using Ant Design, Material UI and also SwiperJS for some implemmentations of responsive cross-platform user interfaces, always integrated with a couple of Firebase Services such as OAuth, Firestore, RealTime DB, Analytics, Storage, Cloud Functions, and so on; Back-End Software Development of Services and Cloud Functions to operate Social Networking like features such as Passwordless Login, Media Hosting, Optimizing, Sharing and Delivering, fundamental concepts for implementation of responsive cross-platform media content delivering;

Quality Assurance

Embedded Labs @ UFCG

Jun 2013 - Mar 2015

1 year 10 months

Exploratory Testing, User Acceptance Testing, User Acceptance Test Creation, Automated Test Creation, Trainee Tutor

Researcher

Computer Vision Labs @ UFCG

Jan 2011 - Jan 2012

1 year 1 month

Research Scientific Papers, Develop C++ Application, Develop C++ Tests, Develop Algorithms, Improve Existing Solutions, Write Scientific Papers


Education

Universidade Federal de Campina Grande

Bachelor’s Degree

2010 - 2014

4 years 1 month

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