Osama Khalil Email & Phone Number

San Francisco, Ca, Us

San Francisco, California, Us

• Relaunched our mobile apps through a company-wide mobile-first transformation. • Worked on multiple cross-functional initiatives. • Participated in a centralized hiring program and helped shaped it to up-level our frontend development skillset. • Advocated for various modernization efforts, focusing on performance and intuitive designs. • Helped in roadmapping & driving multiple partnerships like Zoom. • Managed 4 teams with a total of 25 engineers & QA.

San Francisco, California, Us

Architected and developed the official Android app as the technical lead in a highly modular architecture using cutting-edge technologies (at the time) like Clean Architecture, SOLID principles, Kotlin, Android Data Binding, RxJava, Dagger2, Retrofit, Realm.io, Flow, and many others.Mentored members of the team and introduced new concepts and technologies to streamline our developing processes and ensure consistency, reusability, scalability, maintainability, and a rapid development cycle.Collaborated closely with the product managers and designers to review and refine our solutions and up-level our designs. Made sure we're intuitively solving the problem at hand while upholding ourselves to a certain quality bar and balancing speed, quality, and tech debts.Worked cross-functionally with our API and iOS teams to shape the direction of our API platform, advocate for GraphQL, and influence the iOS architecture and its tech stack to help bring it to similar levels of quality as the Android app.

San Francisco, California, Us

Revamped our mobile website offering by researching modern tech stack technologies, evaluating, and reviewing it with other stakeholders to shape the future of mobile web development at Upwork.Architected and developed a completely rewritten version of the mobile site on a more modernized tech stack (at its time) that utilizes AngularJS, Ionic, Browserify, Bower, Gulp, SCSS, Karma, Protractor, and many more.

San Francisco, California, Us

Architected and developed a web-chat client similar to Google Hangout and Facebook Messanger that is highly versatile and can run in different environments on web and mobile apps.

San Francisco, California, Us

Architected, developed, and launched the first official Upwork mobile site by building a node.js mobile-specific APIs and a modern web application stack (at its time) using MVVM architecture pattern that utilizes Backbone, Knockout, Knockback, RequireJS, Stylus, Grunt, Mocha, Blanket,... and many more.

Oo

• Mejorna: Developed a 3D Jewelry Design Studio in Unity3d and a backend RESTful service using ASP.NET MVC 4 Web API, OAuth2 for authentication, and Microsoft Azure for hosting. • Free Flow Hub: Designed and developed a web application that connects businesses together and allows data to flow freely between different systems built on different technologies. Technologies used: Backbone.js, Underscore.js, Bootstrap, jQuery, LESS, SCSS, Require.js, and many more.

• Developed a cross-platform plugin for Unity3d to provide an Augmented Reality (AR) experience in games that works with unity’s single-click deployment using ARToolKit Pro for Windows, OSX, Android, and iOS plus NyARToolKit for unity’s web builds. • Developed a cross-platform plugin for Unity3d to play videos on any texture using FFMPEG that works seamlessly within an AR experience. • Developed an AR game similar to “Elite Beat Agents.” • Developed various AR demos for marketing campaigns. • Developed a cross-platform plugin to use Facebook Graph API in unity games. • Developed AR apps for the Egyptian Pavilion at the World Expo 2012 in Yeosu, South Korea, using Qualcomm’s Vuforia for iPad, and ARToolKit Pro for a wall-screen AR application, and Seeing Machines' FaceAPI for a Kiosk app.

• Developed a photo-management and editing system in C# 4.0 (WPF) to enhance and categorize a large set of images based on either a barcode label or a blip. • Developed an image retrieval system in ASP.NET MVC (C#) to search in a large dataset (10Mil+) based on a custom categorization. • Developed and maintained the organization work-flow in ASP.NET 3.5 (C#).