#Developer: • Developed the backend for the Tonkey MultiSig Wallet to enhance the TON ecosystem, enabling clients to manage on-chain assets more securely and conveniently. • Presented the ZK anonymous chat room at TON Hacker House as a contestant and won second place. • Researched RPC services and built high-level APIs for developers to interact with the TON blockchain, providing real-time access to blockchain data. • Developed event-driven solutions for TONX-related activities, allowing users to mint NFTs in under a minute with minimal interaction complexity. #DevRel: • Created sample code and documentation for developers to integrate TONX APIs seamlessly. • Contributed to the Ruby version of ton-core, offering integration support for Ruby developers. • Actively engaged with the TON community, addressing developer queries on smart contracts, wallets, Jettons, NFTs, RPC usage and Telegram mini app. • Assisted customers in resolving asset issues in MultiSig contracts caused by cold wallet and HD wallet compatibility problems with the Ed25519 algorithm. • Assisted TON Society in organizing and facilitating the TON HK Bootcamp. • Built dashboards using Retool and Metabase for business development teams to analyze estimated revenue and competitor API usage on the TON blockchain.

Custom POS System Development (Self-Employed Developer): Communicated directly with clients to understand their operational needs and negotiated project scope and deliverables. Designed and developed a fully customized POS system, including server-side architecture, desktop and mobile applications. Integrated RFID technology to optimize operational processes, improve data storage efficiency, and enable real-time data analysis. Electronic Nose System (Startup Co-Founder & Partner): Led early-stage discussions with venture capitalists; prepared and delivered technical summaries and business proposals. Developed a working demo to simulate scent transmission using Arduino hardware. Assembled and led a cross-disciplinary team, including chemistry experts, to handle scent blending and sensory calibration. Comparative Price Monitoring System: Built web crawlers to collect pricing data across various platforms; designed and maintained the data pipeline infrastructure. Integrated the system with a messaging bot (Line/Telegram-like) to deliver real-time pricing updates to users. Created technical proposals and conducted business development discussions with potential venture partners.

• Refactored services to improve the syncing of customer verification info with third-party bank systems, reducing the deposit and withdrawal process time to under 2 minutes. • Enhanced error logging by making error codes and messages clearer, significantly improving the debugging process.

• Designed and implemented cash flow management applications, including both frontend and backend systems. • Focused on developing internal service APIs and refactoring code with functional programming principles to enhance robustness and scalability. • Integrated third-party APIs, primarily for financial transactions. • Established CI/CD pipelines and an ELK-based logging system to streamline deployments and error monitoring. • Reduced development time by leveraging third-party tools like Retool for quick dashboard creation and Hotjar for user behavior analysis. • Designed a real-time data synchronization center to keep local and third-party data aligned. • Simplified deployment processes using DroneCI, reducing deployment time by 30 minutes per iteration and minimizing human error risks. • Built a reliable web crawling system for data collection and ensured timely updates to the data center.

FrontEnd Developer Intern