Oksana – React, Java, Stripe API

Developed a competitive trading platform that transforms traditional trading into a skill-based, community-driven experience. Built real-time trading engines, social features, and reward systems, enabling users to strategize, compete, and interact securely in a high-performance environment.

• Developed high-performance back-end services for real-time trading and market data processing.
• Implemented secure RESTful APIs to support trading, user profiles, and leaderboard features.
• Optimized trade execution algorithms, reducing latency and ensuring accurate order matching.
• Integrated real-time notifications and alerts to inform users of trades, wins, and market changes.

A communication platform offering an audio-based service that enables users to create professional files and interact with friends through voice. Our team has integrated AI technology to convert users' voices into text, allowing the platform to detect specific commands like starting, pausing, or ending a call.

• Developed and optimized real-time communication features.
• Enhanced the overall performance and scalability of the platform.
• Successfully integrated AI technology to convert users' voices into text.
• Implemented audio-based user interaction functionalities.

A platform that offers portable karaoke booth rentals, available for booking by users throughout London and the UK. Reservations can be made using the QR code displayed on the screen or with the assistance of an administrator. Users can create and edit unique playlists, set random songs, or queue songs to play.

• Developed tools and functionalities that allow administrators to assist users with bookings.
• Optimized a user-friendly interface on the screen.
• Implemented a QR code-based booking system.
• Improved the overall performance and responsiveness of the platform.

A powerful marketing tool designed to help marketing experts analyze and select specific funnel page functions. Users can easily evaluate different funnel page functions and choose those that best align with their marketing goals. It also enables users to design eye-catching and impactful graphics, enhancing the effectiveness of their marketing funnels.

• Implemented tools that allow to analyze and select specific funnel page functions.
• Developed comprehensive data tracking and analytics features.
• Integrated tools that provide valuable insights into user behavior.
• Improved the platform's performance and scalability.

A cutting-edge solution for health and social care organizations, enabling efficient patient tracking through customized tests and surveys. With real-time data, robust analytics, and a user-friendly app, it improves quality assurance, performance, and compliance while empowering teams to deliver higher-quality care.

• Developed scalable Java microservices to support real-time patient tracking and survey management.
• Integrated complex healthcare workflows into the platform, ensuring compliance with NHS and international care standards.
• Optimized database queries (PostgreSQL/MySQL) to reduce response times for analytics dashboards by 40%.
• Implemented secure RESTful APIs for mobile and web apps, ensuring safe data exchange between patients and providers.