Douglas is a versatile Mobile Developer with 7+ years of experience in Android and iOS development, proficient in Kotlin, Swift and Objective C technologies. Worked on high market share projects such as the Rio 2016 official iOS app, Corinthians official iOS app, and Flamengo official iOS app among others. He strives to create apps that are both commercially viable and that are maintainable. With the ability to find unique solutions to problems, he creates user-friendly solutions according to client requirements.
Analyze and development of new app’s features for state-of-the-art Onboard Retail Programs, enabling airlines to better interact with their passengers and holistically steer their processes.
Implemented Unit test, Integration Tests, and Espresso Test (UI Test), as well as worked with pull requests and code reviews.
Fixed bugs on the app and provided required maintenance in order to optimize performance.
Setup Continuous Delivery / Continuous Integration and designed the online food court app's architecture.
Increased the free crash session from 89% to 99.9% and free ANR daily sessions from 75% to 100%. Implementated Unit test, Instrumentation Tests, and Espresso Test .
Defined workload for Sprints and Monthly Releases, as well as developed new features and maintained Delivery Much Android app.
Developed and maintained iOS apps real-time Health surveillance platforms, including Digital Disease Detection Development for the diagnosis of infectious diseases.
Enhanced code quality through developing unit tests and performing code reviews.
Defined workload for Sprints and Monthly Releases, identifying and planning for new features.
Developed Android distributions for main Motorola devices. Worked in a distributed team with a structured development process (included feature branch and code review) and a huge code base.
Worked on the development of the Official Rio 2016 Olympics app for IOS platform. Closely collaborated with the Senior IT Manager, the client(Samsung) and sales team, coordinating all Proof of Concept (PoC) for the project.
Designed and participated in technology pilot projects for the company in diverse markets, including telecommunications, electronics, commercial automation, finance, media, energy, health, and agribusiness.
Delivery Much is an online food court. Order your food with convenience, security and receive wherever you are. Consult the menus of the best restaurants and snack bars in your city. Currently, Delivery Much operates in more than 100 cities and continues its expansion throughout Brazil. The Delivery Much Expansion happens as a franchise. When purchasing a franchise you will have the help of a specialized team, in addition to training for you to take the Delivery app to your city. At Delivery Much, I applied the concepts of Clean Code, TDD, Continue Delivery and Continue Integration. With Clean Code and TDD, I’ve increased the free crash session from 89% to 99.9% and free ANR daily sessions from 75% to 100%. Technologies used in the project: Android, Kotlin, Java.
Quiz Your English is a fun new way for users to practise, improve, and test their English by competing against learners from all around the world. They can learn English grammar with friends, discover new English words, and test their skills in a truly global environment. I defined the app architecture for both platforms, Android and iOS, aiding in mitigating future issues and making the apps more testable (Unit Test). Enhanced the managing of the app's versions by implementing Git Flow. Technologies used in the project: Android (Kotlin and Java) and iOS (Swift).
Rio 2016 was the official app of the Olympics Games placed in Rio de Janeiro in 2016. The app contained the most up-to-date information on the Olympic schedule and results, medals, sports, athletes and teams, venues, maps and spectators guides. The Rio 2016 app had detailed spectator guides to help users have a great Olympic experience, and the best tips for them to have a great time in the marvellous city. Closely collaborated with the Senior IT Manager, the client(Samsung) and sales team, coordinating all Proof of Concept (PoC) for the project. Implemented the use of Wiki Documentation to help the main development team understand how to apply our approaches to the main project. Coordinated meetings with the client to discuss any project impediments, needed resources or issues/delays in completing the project. Technologies used in the project: iOS (Objective C).
