Maryna – React Native, React, JavaScript

App for an offline fitness studio chain in the UK. The main purpose is to book IRL studio's classes, membership payments, make user profiles, send users feedback about classes, and show videos from On-Demand workouts. The data was obtained from several sources: custom backend, Mariana Tek, and Mux Video.

• Responsible for the development of the application’s UI and logic, such as video display for on-demand classes;
• Getting user’s feedback flow;
• Implementing a system for checking workout progress and awards for achievements;
• Creating filtering for classes by several parameters;
• Solving issues during development and bug fixing.

This healthcare mobile app allows users to connect with their fitness apps or devices and rewards them for success. Via the app users can make appointments with the doctor. The newsfeed in the app acts as a little social network where like-minded people can share their fitness results.

• was responsible for the development of the application’s UI
• integrated third-party API for users (Health Hero API)

Web application for recruitment. Features: algorithm for matching companies and candidates, extraordinary design. The app has a different interface for startups and candidates. Filling out a profile is implemented as a chatbot. The backend is fully implemented with Firebase and Firestore. Several types of testing for startups and candidates are integrated. Dynamic calculation of candidate and startup matches based on testing results has been implemented. The application also calculates candidate and job profile matches for better search convenience. Users can be authorized with email and password or via google.

• developed UI from the scratch;
• worked with Firebase functions;
• integrated third-party API for testing users.

Application for social networking. Features: direct and group communication, display relevant feed.

• ejected Expo;
• fixed bugs after Expo ejection;
• replaced custom Expo's libraries with native libraries.

Booking application for customers of medical cosmetic services. Features: booking availability, online booking, and communication service.

• developed UI from the scratch;
• integrated Stripe payment for services.

Online platform for creating individual architect concepts.

• developed UI from the scratch;
• integrated Stripe;
• implemented flow for customer registration with project creation and payment (one of the main project's features).

A system that allows users to redeem gift cards and manage their balance with unique tokens.

• fixed bugs;
• restyled existing blocks and components according to corrections from the client;
• supported existing functionality.

Mobile application for student networking.

• developed mobile application from scratch;
• integrated push notifications, email notifications; APIs; Facebook, Apple, and Google social login

Playground network for gambling.

• performed front-end development according to design;
• supported existing functionality;
• fixed bugs;
• implemented corrections from the client.