Bohdan Tomchyshen

Developed backend services for a Telegram-based crypto game using TypeScript, Hono framework, and Drizzle ORM, implementing scalable APIs and game logic services. Implemented integrations with external services, analytics platforms, and monitoring dashboards supporting gameplay metrics, operational insights, and user engagement tracking. Designed scalable backend architecture supporting statistics processing, gameplay features, and real-time service interactions. Implemented payment-related workflows and cr

Led a backend engineering team of 10 developers, providing technical guidance, conducting code reviews, and organizing internal knowledge-sharing sessions and technical lectures to improve team capabilities. Defined backend infrastructure strategies, database architecture approaches, and technical direction across multiple projects, aligning engineering decisions with long-term scalability and delivery efficiency goals. Restructured development workflows after previous leadership transition, introducing sta

Designed and developed multiple production-grade Telegram and Discord bots implementing automation workflows, integrations with external services, and user interaction logic for business and community use cases. Contributed to the backend development of an NFT marketplace platform for researchers, enabling authentication via academic identity providers and Google OAuth, and supporting article import workflows from external scientific platforms. Implemented citation graph generation and processing features f

Contributed to the backend development of a high-load Telegram-based cryptocurrency wallet as part of a team of 6 backend developers, participating in the full product lifecycle from architecture implementation to production release. Implemented blockchain interaction via third-party APIs enabling deposit, withdrawal, and transaction history functionality; later migrated integrations to direct interaction with internal blockchain nodes (Tron, Bitcoin, Litecoin, Binance Smart Chain, Ethereum) to improve reli

Developed a custom PDF generation module using PDF Forms for a Canadian construction company, supporting 10+ document templates with over 50 dynamic fields each, replacing multiple manual workflows and spreadsheets and reducing administrative processing time by 2+ hours per order cycle. Implemented advanced role-based access logic and functional segmentation within Bitrix24 CRM for an organization of 300+ employees, improving usability, data security, and workflow separation across multiple departments. Col

Made a content for different sites about motorcycles in Instagram, Facebook and personal Web-sites. Searched for new partners. Spoke with clients. Managed 2 web-sites.