Oleh – Node.js, Android, Kotlin

Tournament experience for street dancers. The application is available on Android and iOS and allows dancers across the globe to challenge each other into dance battles.

• Mitigated firestore limitations with a minimum code by migrating several data stores to SQL database (for having more advanced aggregation features)
• Implemented the automated royalty tracking system
• Implemented the automated royalty-enabled media ingestion
• Implemented a high-performance commenting system with additional caching over Firestore
• Implemented AWS deployment procedures using a serverless framework
• Set up manual and code-defined AWS infrastructure for cheaper costs as well as for high performance and high availability
• Owned the Android part of the application with established release procedures
• Was responsible for Android features implementation and bug fixing

Web-based accounting and invoicing system

• Implemented and managed the system design;
• Coordinated and mentored the team;
• Developed project architecture.

B2C solution for the biggest hotel and casino chain in Asia. Mobile application allows people to book a room, redeem a casino points, etc. Mainly it provides a virtual redemption office for the casino players.

• Managed the international team of 6 Android developers;
• Implemented the best Agile practices;
• Performed code review;
• Planned technical roadmap.

Smart hotel room application for the biggest hotel and casino chain in Asia. The application was implemented to control the Android system and to be executed on an embedded Android device. This application allows hotel guests to control whole room switches, lights, TV, music, etc. Also, it allows to order laundry service and food, so all the actions can be performed from the bed.

• Built the app architecture and maintained the codebase;
• Implemented features;
• Set up in-house IoT mesh.

B2C product. Official cross-platform application to control and maintain portable hard drives. This application is contained in brand's portable hard drives since 2017. It allows a user to make backups, drive health monitoring, download control and many more. Any additional functions can be added using a unique plug-in system.

• developed new features;

• performed code review;

• developed native code for both Windows and Mac.

It is a SaaS service that provides an ability to scrape web resources without getting blocked by a CAPTCHA/Cloudflare. The idea behind the project is to provide an API access to a headless Chrome cluster that connected to thousands of proxies around the globe, so each request to the target page is looks like a request from a real user. The service allows automating data mining and data extraction, so it helps digital agencies, researchers, stock and crypto traders and many more.