Sandeep K.

As a Top Rated Plus freelancer with 15+ years of software engineering experience, 17,000+ hours worked, and 300+ successful projects on Upwork, I have helped founders launch AI startups, build scalable SaaS platforms, automate business operations, and modernize legacy applications. I build production-ready AI SaaS products, AI agents, and intelligent business applications that help startups launch faster, automate operations, and scale efficiently. My expertise includes: • AI SaaS application development • AI Agents & workflow automation • OpenAI, Claude & LLM integrations • RAG (Retrieval-Augmented Generation) applications • Multi-tenant SaaS architecture • Next.js, React & TypeScript • Node.js, Express.js & REST APIs • PostgreSQL, MongoDB, Redis & Vector Databases • AWS, Docker, CI/CD & cloud deployment • Stripe, authentication & third-party API integrations I can help you build: ✓ AI SaaS MVPs ✓ AI Agents for customer support, sales, operations, and internal teams ✓ AI-powered web applications ✓ RAG-based document and knowledge management systems ✓ Custom dashboards and admin portals ✓ Secure API integrations and backend systems ✓ Business process automation ✓ Scalable SaaS platforms ready for long-term growth I work closely with founders, startups, and product teams from idea validation to production deployment. Whether you need to build an MVP, add AI capabilities to an existing product, or scale your SaaS platform, I focus on delivering solutions that are reliable, maintainable, and built for real business growth. My approach is simple: understand the business problem first, design a scalable architecture, write clean production-quality code, and communicate clearly throughout the project. My goal is to become a long-term technology partner who helps clients build successful AI products—not just complete development tasks.