Duzy C.

Senior Systems Architect and Software Engineer with 15+ years of experience specializing in high-performance backends, low-level systems engineering (C/C++, Golang, Linux), developer tooling, and Web3 protocol infrastructure. As the founder and principal engineer at ExtBit LLC, I help technology startups, enterprise engineering teams, and protocol builders design, scale, and optimize mission-critical software. Across 30+ B2B contracts and 2,000+ verified billable hours, I deliver clean, production-grade code built for reliability and security. Core Engineering Capabilities Systems & Backend Architecture: Low-level C/C++, Golang microservices, embedded Linux kernel/driver modules, custom socket/network protocols, and high-throughput backend services. Developer Tooling & Extensions: Custom SDKs, CLI utilities, developer frameworks, system extensions, and zero-trust data protection tools. Web3 & Cryptography Infrastructure: Protocol engineering, backend node maintenance, smart contract security reviews, and secure wallet/DEX integrations. Mobile & Embedded Integration: Native Android framework development, C++/JNI library porting, and real-time media streaming architectures (GStreamer). Key Accomplishments & Deliverables Architected low-latency C++/Golang backends optimized for high concurrency and zero memory leaks. Successfully ported complex desktop and web reference applications to native Android and iOS mobile terminals. Built secure, open-source and proprietary developer utilities focused on privacy and data protection. How I Work Whether you need a senior technical lead to design a low-level architecture, optimize existing infrastructure, or execute a complex multi-platform port, I provide transparent communication, disciplined daily updates, and 100% intellectual property transfer upon delivery. Ready to start? Send me an invitation or message, and let's discuss your project requirements!