Ostap – iOS, Swift, SwiftUI

An application that combines banking and telecom features. Introduces a digital card for users to make secure cashless payments and engage in various financial transactions. The telecom component facilitates easy information management and the creation of personalized tariffs in a user-friendly manner.

• Led the development of a feature module, driving the successful implementation of key functionalities and enhancing the overall user experience;
• Played a key role in splitting the application into two separate applications;
• Implemented new features and designs, enhancing the functionality and user experience of the application;
• Improved application performance by optimizing code and implementing efficient solutions;
• Actively participated in code reviews, providing valuable feedback and suggestions to improve code quality and maintain consistency;
• Collaborated with cross-functional teams to ensure seamless integration of new features and designs.

An app designed for a global telecom company operating on the mobile virtual network operator business model, offering services in numerous countries. Enables users to create accounts, oversee information, and purchase various plans and options for their accounts.

• Designed and implemented custom UI elements and engaging animations, enhancing the visual appeal and user experience of the app;
• Employed efficient techniques to optimize application performance, resulting in faster response times and improved user satisfaction;
• Conducted thorough testing and debugging to identify and resolve any issues or bugs, ensuring a smooth and error-free user experience;
• Actively participated in code reviews, providing valuable feedback and suggestions to team members.

Social media application for creating, sharing, and discovering short videos. An additional feature was the ability to send private videos and add surprises to them (the application had a certain set of gifts to choose from).

• Developed custom UI elements;
• Redesigned the existing app;
• Created custom animations;
• Implemented new features;
• Implemented new design.

An application for a company that develops and provides software for core banking. The application supports various banking activities such as news feeds, document sharing, order management and portfolio information services. Also, the application could be integrated with a client’s social messaging service, which then makes communication much easier.


• Developed the application from scratch, implementing new features and custom UI elements, resulting in an intuitive and user-friendly interface;
• Supported continuous integration and continuous deployment (CI/CD) processes;
• Utilized Swift and CoreData to build a robust and scalable application;
• Integrated the application with a client's social messaging service, streamlining communication and enhancing user convenience.

The payment application enables users to establish a payment account, oversee personal details, and review transactions through a centralized dashboard. Supported funding options presently encompass credit cards and bank accounts. Additionally, users can initiate various types of payments.

• Developed and integrated new features for a payment application, enhancing its functionality and user experience;
• Developed custom UI elements and animations, creating a visually appealing and user-friendly interface;
• Implemented a proof of concept to explore new technologies;
• Supported CI/CD processes, ensuring smooth and efficient deployment of updates and bug fixes.