Andrei – React, GraphQL, React Native

The product is designed to help children develop their cognitive skills with the aid of AI, prompting them to make up stories from scratch or based on a given storyline.

• Created the authentication process - frontend forms and logic, database structure, Cognito implementation;
• Integrated OpenAI and Azure text-to-speech;
• Developed the functionality and UI for the AI text to appear word-by-word as it's being spoken (by azure TTS) and connected the Viseme data to a talking avatar;
• Refactored parts of the code that was too "clogged."

It is a web app used to search for beauty videos. Influencers post a video of themselves doing a make-up routine, and in the description, a link is added that takes them to this app, where they can buy all the products used in the video while watching it.

Main features:

• See the list of products used in the video
• Change the shade of the product to match your skin tone
• Add products to the cart & checkout, and get all of the products in the same order

• Structured all the custom data we needed using what the backend solution of choice (Swell) had to offer;
• Integrated with and sent data to Airtable so the back-office team could deal with the orders;
• Created new features;
• Handled direct communication with the client.

It is a platform for renting sports arenas that started in Canada and is now available in some cities in the US as well. Some of the main features are:

• The main flow: select the area -> pick a sport -> pick an arena -> pick a time interval -> payment & confirmation
• Pick up games - if someone else rents an arena but does not have enough players, you can pay part of the price and join them
• Sports profile - users can add the level and their favorite position in each sport they are interested in

• Added scaling in the whole app;
• Helped to refactor the app -> updated it to the latest React Native version, and rewrote all of the class components as functional components;
• Added the multiple areas functionality when the app became available outside Toronto;
• Mentored junior developers.

It is a web app developed due to the COVID restrictions so that kids can meet with Santa Claus even during a pandemic.​

Main features:

• Schedule a call with Santa Claus - you can add Mrs. Claus, set the number of kids that will join, etc.
• Have Santa Claus send a personalized video for your kid.

• Created the backend part of the authentication process, using NestJS, Passport, and JWT;
• Added new options to the scheduling form;
• Refactored some of the older components.

It is a patient decision support system that meets users where they are and motivates appropriate utilization of healthcare services.

Some of its main features are:

• Medical journal: store, update and see the evolution of your allergies, symptoms, medicines taken, and more
• Activity tracker: fitness & vitals, integrations with Fitbit, Withings, Garmin, Apple HealthKit, Google Fit, and iGlucose.
• News: pick the categories you're most interested in and get the newest information in the app.
• Food tracker: add the foods you eat in a day and get info about calories, nutrients, and more.

• Built most of the components of the mobile app;
• Created integrations with third parties;
• Developed the web admin panel;
• Helped design the database architecture;
• Interacted with and changed the AWS infrastructure;
• Developed new features.