Rumman Hussain Siddiqui

Results-driven Technical Lead and Senior Software Engineer with 9+ years of experience building scalable backend systems, microservices, fintech platforms, and cloud-native applications. Experienced in Node.js, NestJS, React, React Native, .NET Core, PostgreSQL, Redis, RabbitMQ, Docker, and AWS, with a strong focus on distributed systems, API architecture, and high-performance SaaS applications. Currently leading engineering initiatives for a multi-chain crypto trading platform, where I architected scalable microservices, trading systems, wallet services, and AI-driven workflow automations using n8n and voice agents. I have also led large-scale logistics and mobile platform projects serving hundreds of outlets and thousands of users. I enjoy solving complex engineering problems, improving system performance, and building reliable products for global users. My experience spans backend engineering, full-stack development, DevOps, cloud infrastructure, and technical leadership, allowing me to contribute across the complete product lifecycle. Currently seeking remote Senior Software Engineer, Backend Engineer, Technical Lead, or Full Stack Engineer opportunities with global teams working on scalable SaaS products, fintech, AI automation, cloud platforms, or distributed systems.