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 workfows and cron-based notifcation systems supporting automated user communication and in-game activity fows. Collaborated with cross-functional team members and contributed to maintaining code quality standards in a fast-paced crypto gaming environment.

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. Defned backend infrastructure strategies, database architecture approaches, and technical direction across multiple projects, aligning engineering decisions with long-term scalability and delivery efciency goals. Restructured development workfows after previous leadership transition, introducing standardized project templates, deployment confgurations, and reusable infrastructure setups, signifcantly reducing project startup time and accelerating delivery cycles across teams. Acted as technical lead for the architecture and delivery of a large-scale ERP/CRM platform for a manufacturing and multi channel sales company, including database architecture design, legacy system integration, technology selection, and coordination between developers, managers, and client stakeholders. Led legacy system integration and data migration strategy as part of ERP platform modernization, ensuring continuity of business-critical workfows during transition to the new system. Mentored backend engineers and supported technical decision-making processes across projects, contributing to team growth and engineering quality standards.

Designed and developed multiple production-grade Telegram and Discord bots implementing automation workfows, 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 workfows from external scientifc platforms. Implemented citation graph generation and processing features for scientifc publications, including handling graph structures with up to 6,000 nodes representing article relationships and references. Implemented functionality for generating NFTs based on scientifc publications, ensuring proof of originality and uniqueness using blockchain-backed verifcation mechanisms. Developed a multi-channel integration platform supporting Facebook, Instagram, Telegram, Slack, and Discord APIs, enabling unifed interaction workfows across multiple communication ecosystems. Contributed to backend development of a custom ERP platform for a US-based company, implementing business workfows and integrating ERP functionality with external CRM systems to improve operational efciency.