Deepak Kumar B.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

I specialize in building high-performance applications that require more than just a basic UI. From AI-driven image pipelines to distributed alert systems, I bridge the gap between complex backend architecture and seamless user experiences. ━━━ KEY CAPABILITIES ━━━ ● COMPLEX BACKENDS: I architect distributed systems using Node.js, NestJS, and BullMQ to handle heavy background tasks and real-time data processing. ● MODERN FRONTENDS: Expert-level Next.js 15, React 19, and TypeScript developer focusing on performance, SEO, and clean code. ● AI & AUTOMATION: Experienced in building AI pipelines (FLUX/ComfyUI), web scraping (Playwright), and automated media processing (FFmpeg). ● SCALABLE SAAS: I build enterprise features like Multi-tenancy (RBAC), Stripe payments, and multi-channel notifications (Slack, Twilio, WhatsApp). ━━━ TECH STACK ━━━ ▶ LIBRARIES: Next.js, React, NestJS, Expo (Mobile). ▶ DATABASE: MongoDB, Redis, PostgreSQL. ▶ INFRA: Docker, BullMQ, Kafka, Google Cloud (GCS). ▶ TOOLS: Stripe, Twilio, OpenAI, Tailwind CSS. ━━━ WHY CHOOSE ME? ━━━ I am a Product-Minded Engineer. I don’t just follow tickets; I think about system reliability, user experience, and long-term scalability. If you need a developer who can own a project from database design to deployment, let's talk.