Managed and maintained multiple blockchain nodes, ensuring 99% uptime across a globally distributed infrastructure supporting decentralized Artificial Intelligence (AI) and AGI development. Designed and implemented automation scripts using shell scripting and Python for routine node maintenance, reducing manual intervention by 40% and ensuring stability and reliability across large-scale deployments. Administered Linux-based systems and utilized Docker containers for seamless node deployment, increasing service isolation by 15% and improving overall infrastructure scalability. Leveraged AWS for scalable cloud infrastructure, reducing latency by 30%.

Contributed to the development of a scalable backend architecture using Java with Spring Boot, NestJS, and PostgreSQL, supporting real-time user testing and analytics for over 500,000 active users per month. Led the integration of multiple RESTful APIs to improve system interoperability, resulting in a 120ms increase in data exchange efficiency between the backend and third-party services. Redesigned and optimized user interfaces with React and Vue.js, enhancing visual appeal and system interaction, contributing to a 25% increase in customer retention and securing high-profile annual contracts, leading to a revenue increase of up to $3 million.