Jeann L.
Mobile Engineer - iOS

Skills

Github

Java

Swift

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Bio

With expertise in software engineering since 2008, the recent seven years have been focused on mobile app development with a particular emphasis on iOS platforms utilizing Swift, UIKit, and SwiftUI. Contributions span across leading market entities and startups, engaging in diverse industries such as e-commerce, finance, pharmaceuticals, agribusiness, and consumer applications. Proficiency in communication facilitates effective collaboration both as an independent developer and within a team dynamic.

Senior Software Engineer / iOS Engineer / Mentor
1/1/2021 - Present

Engaged in maintaining compatibility and implementing critical fixes for multiple mobile applications. Developed proficiency in Swift, SwiftUI, Cocoapods, and Swift Package Manager (SPM). Demonstrated expertise in integrating bluetooth devices and managing projects using Git flow. Utilized Jira for project tracking, implemented unit tests with XCTest, and automated workflows with Bitrise.
Senior Software Engineer / iOS Engineer
9/1/2020 - 1/1/2021

Developed the Lojas Renner app, collaborating closely with product managers, designers, and developers to transform requirements into product features for the leading fashion retail company in Brazil. Integrated new payment methods, including Apple Pay, PicPay, and Mercado Pago, and developed a solution for the iOS app to receive Pix payments, an instant payment method launched by the Central Bank of Brazil.

Contributed to the entire development process from requirement definition to deployment, bug fixes, and maintenance of the checkout process. Utilized technologies and tools such as Swift, VIPER architecture, and Cocoapods, managed code with Git flow, and coordinated tasks using Azure DevOps. Followed Scrum methodology and ensured app quality through Firebase integration, Apple Store processes, and rigorous unit testing.
Senior Software Engineer / iOS Engineer
2/1/2020 - 10/1/2020

Developed an iOS app for a payment and benefits system utilizing Swift under the MVVM architecture. Enabled in-app payments for gas through various methods including PayPal, Mercado Pago, credit cards, and cash. Incorporated a points reward system to offer users discounts on fuel purchases. Conducted automation testing using CodeceptJS. Adhered to Agile methodology and employed GitFlow for version control.
Senior Software Engineer / Mobile Engineer
11/1/2019 - 1/1/2020

Led the internationalization of iOS and Android applications for expansion into Argentina. Developed technical proficiency in Swift for iOS and Java for Android development, adhering to the MVC Architecture to ensure a robust and scalable application. Utilized Jira to effectively manage project tasks and track progress, facilitating clear communication and organization within the team. Applied Scrum methodology to maintain agile and iterative development processes, enhancing team productivity and project efficiency.
iOS/Android Engineer
8/1/2015 - 11/1/2019

Participated in numerous mobile development projects targeting the agricultural sector, prominently contributing to the evolution of the YouAgro social network, a salient agribusiness mobile application. Additionally, developed MyClass, a derivative application from YouAgro designed for a corporate educational institute. This app enabled students to engage in communication, share essential articles, images, and files within their courses.

Contributed to Ti Agricola, an offline-capable application for field data collection, which emphasized enhancing data accessibility without the necessity of internet connectivity. Led all development stages at Ponderatti, ranging from requirement definition to deployment and app store uploads for both Apple Store and Google Play.

Built mobile applications from the ground up utilizing Java for Android and Swift for iOS. Performed web-service adjustments using PHP and MySQL, maintained applications written in Ionic/Angular, and developed webpages employing CSS, HTML, JavaScript, and the Bootstrap framework.