Igor Ostriz

Flutter-based application for real estate inspection. The real estate agent is equipped with iPad (or, later, with Android tablet) and goes on site. Enters all information relevant for appraisal, takes photos, and uploads data to the back end (when a connection becomes available). Later, you can also finish the job in the office with floor plans (if not done on-site).

Mobile application (Flutter) for the voice recognition application taking bets. The app gets microphone input from the user, makes voice recognition, communicates with the back end, and places the bet. Like "Horse Midnight Run, €10 to Win". Simple as that. The back end has the list of all races taking place soon and communicates with the device via WebSocket and REST.

This is a project for AI sports statistics for basketball games. Two cameras are recording the game from two sides of the playfield. Each camera (mobile phone) has a Bluetooth stand that can track the action (the ball) by rotating (given the input from the device). The client has to set up the app by selecting each team's colors and hoops' positions. The app records the game and sends data to the back end (around 40 GB) in chunks (TUS Protocol). It is there analyzed, and statistics are prepared for the client's use. Used Swift, Flutter, Node.js.

A great app to help teachers communicate with students in a fun way. The teacher monitors work in real-time via an iPad interface, and students can get immediate attention by raising a virtual hand. I was involved as a system architect and a lead developer in a team of six, working with the Firebase-based back end.

A web app, mobile, tablet, and app for the biggest vegetable industry in the USA. Crops, ranches, budgeting, supply, harvest, yield. The app for managing a variety of aspects and organizing business. GetX, Firebase, Firestore. Flutter-based application for web and mobile devices (and tablets).

Mobile application, POS system for the flight attendants, solving challenges regarding applying taxes (different depending on origin), data synchronization with the minimum data transferred, extreme conditions (bumpy surrounding), payment system (all offline). Lead dev, Flutter, db on mobile is SQLite, sync with service was with SQLServer. Using Floor ORM, Riverpod (state management).

A mobile app, Flutter. A community-driven app that helps you to find movies to watch. Connects to Netflix and downloads your history. You can share your ratings with friends, comment on movies and get recommendations. Beautiful UX. Using Riverpod for state management and GraphQL as an API to a back-end service. The back end was written in Go. See the short movie that was done in three weeks.

(https:// www.dropbox.com/s/et0t6b74pc7lbj8/RecSpot%28build%2015%29.mp4?dl=0)

A highly scalable multi-language solution for supporting medical clinics and practitioners. The solution is backed by a FHIR standard back end (independent of vendor solution and easily switchable).

From the start, the dilemma was between Aidbox and Microsoft. We ultimately went with Microsoft. The solution engaged over 300 UX screens developed in Flutter/Swift/React for the user client app, practice management, user kiosk, and providers app.

I developed the proof-of-concept skeleton in Flutter.

Mac desktop application written in Flutter. Sort of repository for the assets (images, gifs, memes, text snippets, videos) that help end users create their content. Faced many challenges, utilizing universal clipboard and native drag-drop from the app to the os eco-system. The client was Logitech. Worked as a lead developer.

Challenge: a lot of native code written through Flutter plugin channels.

Content reader displaying various articles in 60+ languages. Data crunching (XML/JSON). All pages were defined in XML Manifest on the server, much like Storyboards on the fly; content was JSON Swift, Realm, XML/JSON, and PromiseKit. Worked as a lead developer.

Development of the "most awesome" app for helping teachers communicate everyday school tasks with students in a fun way. The teacher monitors on one iPad all students working on theirs. All in real-time. Worked as a system architect and lead development. Used Objective-C, Firebase.

Messenger that delivers emotion. Worked as a co-founder, system architect, and lead developer in a team of eight. Take a look at the promo video. Objective-C, Erlang (ejabberd), Redis, Node.js. Python scripting background tasks. Also worked as a system architect and lead developer (team of ten).

Guided tour of religious locations in Rome. Many pre-recorded video materials, scripts, brochures, and guided tours through Rome. The administrator manages the app (adding materials) through the web interface. Localized to many languages.