Hire Top Freelance
Mobile App Developers
in Costa Rica

I'm Senior Software Engineer, certified professional and Xamarin/Microsoft with more than 10 years of working experience on web, desktop and mobile projects. Methodologies that I work include best practices including Design Patterns, Clean Code, Test Driven Development, Refactoring, N-tier systems and architectural models under Unit Testing, Refactoring, Versioning Control, Continuous Integration and Agile methodologies. My background experience goes from design and development of software from backend systems through Windows Communication Foundation, web services, JSON and XML connecting remote clients including single-page applications using HTML5, CSS and JavaScript and windows application developed using ASP .NET MVC, , MVC, WPF, Silverlight and Xamarin. I live in Cartago, Costa Rica where I enjoy to work on software development and when time allows I share my knowledge with local groups, give talks and mentor other developers to work the technologies I enjoy including .Net, NodeJS, web and mobile.

Mobile AppSoftware DevelopmentXamarin Certified Developer

I am Marny Lopez, a Senior Full Stack Engineer. With over 8 years of experience in web development, I specialize in delivering high-quality solutions that enhance the performance, stability, and user experience of the system. I have worked with many stacks and technologies like Python (Django), SQL (PostgreSQL/Oracle/MySQL), NodeJs (ExpressJs), NoSQL (Firebase/MongoDb), JavaScript for the frontend (React.js, Angular & Vue), I have also used Typescript in my projects. Besides my passion for web development, I am also a lifelong learner and a teacher. I have created and published courses on Udemy and my YouTube channel, covering topics such as React, Flutter, and Angular. My life mission is to empower others with the right resources and skills to grow and succeed in the digital landscape.

Mobile AppReactAngularGitWeb DevelopmentMongoDBFirebaseTypeScriptNode.jsFlutterJavaScript

System Engineer with experience as a software development (mobile and web), quality assurance, web technologies, database technologies. I also participate actively on the communities, mostly on the Mobile and JavaScript communities participating in trainings and camps as speaker/organizer. I make it my goal to create software with the user in mind, creating applications with a useable and intuitive user interface experience. I also understand the importance of creating highly readable and easily maintainable source code. I am constantly striving to learn new technologies and look to ways to better myself in this rapidly changing industry. 8+ years of experience as Software Developer and Rich User Interface applications, integrating with various Databases and Client-Server applications in iPhone/iPad, iOS application development using Swift, Cocoa Touch, UIKit.

Mobile AppSwiftAndroidJava