José Wellington Alves Ribeiro

WORK EXPERIENCE

Mobile Developer, Ifood - March / 2022 - Present - Remote

iFood is a Brazilian company operating in the online meal delivery business, being a leader in the sector in Latin America.

Responsibilities:

• Development and maintenance of native Android Kotlin applications aimed at the consumer and food, grocery and shopping ordering segments.
• Monitoring and observability
• Technical planning, refinement, development and rollout features, corrections and improvements.
• Participation in Android and Innovation chapters
• Mentoring and career-monitoring

Main Achievement:

• Implemented features like item replacements, order editing and order recovery  reducing order cancellations, recovering 18% of canceled orders and 11% of GMV loss.

Stack: Kotlin, LiveData, Coroutines, Flow, Jetpack Compose, DataBinding, Retrofit, Gradle, Modularization, JUnit, Mockk, MVVM, MVI, CI/DI, Git, GitLab, Jira, Android Studio, Proxyman, Charles, CoPilot

Mobile Developer, AmbevTech - November / 2020 - 2022 - Remote

Ambev is a Brazilian beverage manufacturing company. Belonging to the Anheuser-Busch InBev group, it is the largest beer manufacturer in the world.

Responsibilities:

• Development and maintenance of a native Java/Kotlin Android application aimed at the B2B segment distributed in several countries in multiple languages.
• Technical planning and refinement of new features, corrections and improvements.
• Maintenance of legacy applications and functionality migrations
• Maintenance of libraries and shared codes

Main Achievement:

• Improved code test coverage by 80% while migrate old libraries from java to kotlin and replaced static ticket request forms with dynamic forms, improving the ticket-creating experience and reducing the contact rate.

Stack: Kotlin, Java, RxJava, LiveData, Coroutines, Flow, DataBinding, Retrofit, Gradle, Modularization, JUnit, Mockk, MVVM, CI/DI, Git, Azure, Jira, Android Studio, Charles

IT consultant , SEMAR/World Bank - April/2019 - December/2021 - Teresina, Piauí

Government Secretariat for the Environment and Water Resources of Piauí
Partnership: World Bank

Responsibilities:

• Planning and development of the project of the State Registry of Water Resources of the State of Piauí (CERH-PI) system.
• Database modeling, structuring and administration.
• Creation of data processing, import and export scripts.                        
• Development of applications and integration APIs.

Main Achievement:

• Enhanced the water resource usage data import and export process, ensuring up-to-date data and developed a mobile application to assist field auditors with site visits, enabling offline location tracking and data recording.

Stack: Kotlin, LiveData, Coroutines, Flow, DataBinding, Retrofit, Room, Gradle, JUnit, Mockk, MVVM, Trello, Android Studio, PHP, Laravel, RESTful API, HTML, CSS, Javascript, MYSQL, Postgrees

Software Developer, Dimenuto Labs  - August / 2017 - Present - Teresina, Piauí

Company specialized in the development of native applications for Android and iOS, web systems and APIs, IT consultancy and outsourcing.

Responsibilities:

• Creation, implementation and maintenance of websites, native mobile applications, systems, back-end services and APIs.
• Requirement analyses, product management, modeling, design, development, rollout, and monitoring.
• Integration with third-party APIs such as Google, Facebook, Instagram and payment gateways, store billing, SMS, push notifications and others.

Main Achievement:

• Successfully led the development and deployment of apps in real estate, logistics, education, social media, and e-commerce, utilizing a range of technologies such as geolocation, tracking, billing, in-app payments, and cloud-based solutions.

Stack: Kotlin, Java, LiveData, Coroutines, Flow, DataBinding, Retrofit, Jetpack Compose, Room, Gradle, JUnit, Mockk, MVVM, Trello, Jira, Asana, Android Studio, PHP, Laravel, RESTful API, HTML, CSS, Javascript, MYSQL, Swift, Xcode, Cocoapods, Firebase, Google Maps, Google Places, SMS, Payment Gateways, GSM, Notifications, Google Play, App Store, Google Services, Billing, Subscriptions, Image editing, OAuth

Mobile Developer, Infatec - April/2015 - December/2018 - Teresina, Piauí

Company specialized in developing school management systems

Responsibilities:

• Development and maintenance of native mobile applications Android and iOS
• Maintenance of web application and APIs

Main Achievement:

• Developed an educational management app with versions for schools, teachers, and parents, enabling comprehensive class management including content delivery, attendance tracking, schedules, student grades, and performance analytics.

Stack: Kotlin, Java, LiveData, Coroutines, Flow, DataBinding, Retrofit, Jetpack Compose, Room, Gradle, JUnit, Mockk, MVVM, Trello, Jira, Asana, Android Studio, PHP, Laravel, RESTful API, HTML, CSS, Javascript, MYSQL, Swift, Xcode, Cocoapods, SMS, Google Play, App Store.

EDUCATION AND CERTIFICATES

2017 Specialization in Mobile Development, Estácio de Sá University, São Paulo

2015 Analysis and systems development, Federal Institute of Piauí

2012 Computer Technician, Paulo Ferraz Elementary School

2008 Bachelor of Accounting State University of Piauí

TECHNICAL ABILITIES 

(+9 years): Android, Java, Git, Mobile
(+3 years): Swift, iOS

(+7 years): Kotlin

(Studying): KMP

LANGUAGES

English - Level B2

Native Portuguese