Jonathan

Helped the company to double mobile team output on client side app called Abide. Took ownership of a new sub-project called Narrators from its inception to its completion following an agile environment under Kanban methodology. Also responsible of making the app work for iPad successfully.

Technology: Swift, UIKit, REST, Alamofire, Amplitude, Firebase Remote Config + A/B Testing, CocoaPods,

As a Senior IOS Developer, he built a productivity and time management app for iOS, using Apple APIs like ScreenTime API. Mainly used MVVM, SwiftUI, and AppIntents to achieve app usage time calculations.

• Defined how much time to use a certain app with the help of local storage and in-app calculations.
• Time control and reports of app usage through ScreenTime API and AppIntents.

Joined the team to fix bugs that were required for the beta release. He got involved in TikTok-like feed, user notifications, comments section, and video playing through AV Foundation.

• Video playing through AV Foundation for a TikTok-like feed
• Fixed bugs

Led the iOS mobile app development for an Automotive startup. Solution challenges included OBD Scanner remote connection with the car through phone, the consumption of GraphQL, APIs, and common listing and information display. Also architected a solution for the shopping cart functionality such as the payment gateway implementation and customer reviews.

• Marketplace-like features: Search, List products, shopping cart, etc.
• User authentication through different providers like Facebook, Google, Mail, and Apple.

Co-founded a small mobile software development house as part of the tech team specializing in mobile development. Built and collaborated on apps for small to big startups/unicorns from El Salvador and the US such as Hugo, Uniwell, ACSA, Equibank, and PortMusic.

• Implemented architectures and patterns like Clean and VIPER, among other patterns, and organized iOS apps.
• Re-factored legacy or spaghetti codebases.
• Analyzed memory management efficiency through ARC.
• Code Reviews.

With a development team of six, he built a full-featured reservation system with a Mobile App for Consumers using iOS & Android Natively, a Web Dashboard for Restaurants, and an internal Web Dashboard for the Startup operations. He implemented top technologies that were available at the time: Swift, Kotlin, Angular, Firebase, Algolia, Loopback for NodeJs with Typescript, Serfinsa Buypass Payment gateway, and Figma for UI.

• Set up an agile environment with the help of Scrum.
• Restaurant search engine with the help of Algolia.
• Shopping cart, payment gateway

Built the native App for iOS and led the mobile and backend architecture design for the different products. The app included a coffee label image recognition process, an Instagram-like feed where he implemented IGListKit, a search based on Algolia, real-time data consumption through Firestore, social auth through firebase, among many other technologies. As a team, they won two awards at COFFEEEXPO2018; Best New Product & Best of Show.

• Image recognition algorithm with the help of Google Vision AI in the mobile client.
• Social media-like features: Auth, feed posting, community sense with likes & comments.
• Backend structure to support high volumes of users.

As an iOS Developer in the development team, he trained different iOS colleagues to master the essential skills to deliver market-ready apps. He was able to grow his skills by exploring the implementation of different architectures like MVVM, Clean architecture, and others.

• Customer-centric apps like Marketplaces with Shopping carts, and Maps apps.
• Color changing app with the help of Metal and other alike technologies to change the color of a certain object in an image.