React Native Developer2020 - 2020Fairmarket
Technologies: AWS Device Farm, Appium, GraphQL, iOS, Android, React Native
- Developed a home management app in React Native using GraphQL and Apollo Client.
- Learned about Android instant apps and iOS 14 app clips.
- Created end-to-end tests using Appium and AWS Device Farm.
Mobile Developer2019 - 2020Scholly (via Toptal)
Technologies: React Native, In-app Purchases, Android, RxJava, Retrofit, Java
- Added in-app purchase to an existing application.
- Refactored the entire mobile app to fit high code quality standards.
- Updated the existing networking libraries to Retrofit and RxJava.
- Migrated the existing code to Android X.
- Added new features and fixed bugs to a existing React Native project.
- Worked with different react workspaces (web and mobile).
- Created unit tests using JEST.
- Performed several A/B testing variants with Firebase.
- Implemented Sentry and CodePush.
- Used Animated API to improve the UX.
React Native Developer2019 - 2019Toyboy Warehouse
- Created an app very similar to Tinder to match people.
- Developed the popular Tinder's swipe-card animation.
- Coded the in-app purchases and push notifications.
- Created several animations using the Animated API.
React Native and Unity Developer2019 - 2019Client (via Toptal)
Technologies: Objective-C, Swift, Android, React Native, Unity
- Implemented a bridge from Unity to React Native by using native modules and callbacks.
- Created a CircleCI YML file to generate the library files automatically.
- Developed simple modules such as login, register, and friend list.
Freelance React Native Developer2018 - 2018Medvice
- Worked on an app that uses AI by answering a couple of questions, the app detects possible threats for the body and calls the ambulance if an urgent threat is determined. If there is no threat, you can chat with a doctor via text or voice using Matrix SDK and Jitsi Framework.
- Developed wrappers for React Native frameworks and coded them in Java (Android) and Objective-C (iOS) using native modules.
- Implemented via OpenGL an interactive human body where you can select parts of the body.
- Used TouchID, Firebase, and Google Sign for user authentication.
- Raised €80,000 at Rockstart Accelerator.
Full-stack Mobile Developer | Technical Director | Co-founder2013 - 2018Paisanos Creando
- Built a VR/AR product for McDonald's with Unity. The app trained new employees on oven usage with AR. The phone detected the oven by using the Vuforia SDK and interactive instructions showed up on the screen. The VR product consisted of a 360° video on Google Cardboard about daily tasks in McDonald's.
- Developed push notifications with support for different types of users (active, frequent, inactive, and more).
- Created a mobile tool in Android for training in a Rugby Club. The app consisted of up to 10 phones that were synced with each other via wireless/Bluetooth (sockets). When the game starts, it randomly selects one phone and it shows a screen color or reproduces a sound. The rugby player will respond to that and touch the phone, this will trigger another random phone and so on until the training finishes. The app measures analytics like response time, reaction time, and calculates a score for the training.
- Developed an app called We Cover in React Native for securing goods, like a car or phone. The app tracked your background location and charged you a daily quota, turned on or off via the mobile application and it was secured only in that timeframe. In case of an unfortunate event occur, you could claim within the app.
- Performed several DevOps tasks like continuous integration and AWS.
- Constructed an app similar to Uber Pool and BlaBlaCar using Google Maps SDK, Google Places API, and Google Directions API.
- Created a video-processing application that overlapped two videos using FFMpeg for Android and GPUImage on iOS.
- Implemented a geofencing API for iOS and Android in several products.
- Worked on a VR project for Android and iOS using the Google Cardboard SDK. It consisted of a list of videos about safe driving.
- Integrated Google Subscriptions (Android) and in-app purchase (iOS) for a monthly subscription application.
- Built a mobile application in React Native called Cambio Posadas to exchange currency and pick it up using an Exchange API.
- Created an IoT application to control their heater from your phone for a big national company in Argentina. I also implemented geofencing to turn on/off the heater automatically when you arrive/leave home. Lastly, I also integrated my mobile app and API to an existing system running on the device.
- Implemented an algorithm to match users with drivers automatically and with customized preferences.
- Led the mobile development team and built the back-end API on AWS and Bitrise.
- Created a live event and VOD streaming application using the apple standard HLS. It consisted of a monthly subscription through Apple in-app purchase and Android subscriptions.
- Used also AWS Elastic Transcoder to convert the raw video to optimized tracks for the HLS playlist.
- Built an app for sports news that uses the SMS API for monthly subscriptions.
- Worked in a text-to-speech project that uses regular expressions and discrete mathematics to generate language to be used in the audio processing.
- Reused the text-to-speech API for another project (Android and iOS).
- Architected APIs and databases in AWS using Elastic Beanstalk, EC2, security groups, Lambda Serverless, API Gateway, CloudFront, S3, RDS, Elastic Transcoder, and Route 53.
- Automated development testing flows by using Cucumber, Appium, Bitrise, and AWS Device Farm.
Mobile Developer2012 - 2013Fyrastudio
Technologies: BlackBerry, iOS, Android, Java
- Developed a mobile game using canvas for Android. The game used the accelerometer to detect phone shakes. The canvas was for the progress of the points because it was circular and at that time there were no libraries to do that (2012).
- Learned about phone measuring tools of the phone like GPS, Compass, and Accelerometers used to build a game.
- Used Camera API to scan QR code bars.
- Developed a Bluetooth integration to connect to different devices.
Android Developer2011 - 2012Startup
Technologies: PHP, MySQL, Android, Java
- Created my first and own mobile product that showed the roadblocks of my city, similar to Waze—ultimately reaching over 50,000 users. Unfortunately, when Waze arrived in Buenos Aires my project lost almost all of their users.
- Improved my server-side code by using cache techniques to handle over 50,000 users.
- Created an API in PHP for the mobile application that showed the road blocks and received roadblocks requests from the users.