— Node.js & Golang Engineer with 8+ years of experience in architecting high-load, scalable microservices and optimizing development workows. — Specialized in Node.js (Express, NestJS, AdonisJS, TypeScript) and Golang (Gin, Echo, Fiber, gRPC, Go-kit) with deep expertise in Event-Driven Architecture, CQRS, and DDD. — Highly skilled in Golang’s concurrency model (goroutines, channels, worker pools), memory management, and proling tools (pprof, trace, race detector) for optimizing performance in distributed systems. — Experienced in designing RESTful APIs, gRPC services, and WebSockets, ensuring low-latency, high-throughput backend solutions. — Strong understanding of Go’s standard library, dependency management (Go Modules), and code generation techniques for clean and maintainable development. — Experienced in Blockchain development, including smart contract development (Solidity, Golang for Hyperledger Fabric), decentralized applications (dApps), Web3 integrations, Layer 2 scaling solutions, and consensus mechanisms. — Designed and developed a decentralized NFT marketplace for trading digital assets using Ethereum, Solidity, Web3.js, Ethers.js, and IPFS. — Implemented Escrow-based smart contracts (ERC-721) to ensure secure transactions, integrated Steam API for verifying in-game asset ownership, and optimized blockchain interactions using Alchemy. — Procient in TypeScript, Docker, Kubernetes, GraphQL, and WebSockets, ensuring ecient and resilient backend solutions. — Strong background in Cloud Computing (AWS, GCP), Serverless, CI/CD automation, and observability tools like New Relic, Prometheus, Grafana, and OpenTelemetry. — Skilled in frontend technologies including React, Vue, and Angular, enabling full-stack expertise. — Passionate about Web3 development, NFT marketplaces, DevOps practices, performance tuning, and implementing cutting-edge design patterns for optimal system performance.