Sahil J.

AI Automation | AI Agents | N8N | Full Stack | Python | React

Top Rated Plus Freelancer | $100K+ Earned | 8+ Years of Experience I am a senior Full-Stack Developer and AI Engineer with 8+ years of experience building scalable web applications, SaaS products, APIs, automation systems, and AI-powered solutions for startups, enterprises, and growing businesses. My expertise spans the complete product development lifecycle—from architecture and backend development to frontend implementation, cloud deployment, and AI integration. I specialize in creating high-performance, production-ready applications that are scalable, secure, and designed for long-term growth. Core Technologies & Expertise • Backend Development: Django, FastAPI, Node.js, REST APIs, Microservices • Frontend Development: React.js, Next.js, JavaScript, TypeScript • Databases & Backend Services: PostgreSQL, MySQL, MongoDB, Supabase • AI & Automation: N8N, OpenClaw, ChatGPT, Claude, Gemini, AI Agents, Agentic AI Workflows, LLM Integrations • Cloud & DevOps: AWS, Azure, Docker, CI/CD, Cloud Deployment • SaaS Product Development: Multi-tenant architectures, dashboards, subscription systems, admin panels • Mobile & Web Applications: End-to-end application development and API integrations What I Build • Custom SaaS platforms and business applications • AI-powered web and mobile applications • Django and FastAPI backend systems • React and Next.js frontends • Supabase-powered applications and real-time systems • API development and third-party integrations • AI agents and intelligent automation workflows • Internal business tools and enterprise solutions • Scalable cloud-native applications Selected Experience • Built AI-powered healthcare platforms with intelligent appointment booking and doctor recommendation systems. • Developed SaaS products using Django, React, Next.js, and cloud infrastructure. • Created automation systems that reduce manual work through AI-driven workflows and backend integrations. • Delivered full-stack applications combining modern frontend frameworks, scalable APIs, databases, and cloud deployments. • Integrated LLMs including ChatGPT, Claude, and Gemini into production applications for customer support, workflow automation, content generation, and decision support systems. I focus on delivering clean architecture, maintainable code, strong performance, and solutions that create measurable business value. Whether you need a modern SaaS platform, a scalable backend, a React/Next.js frontend, a Supabase-powered application, or an AI-enabled product, I can help turn your idea into a reliable production-ready solution. I am available 40+ hours per week, flexible across time zones, and committed to clear communication with consistent progress updates throughout the project.