Rohit K.

Senior Full-Stack Engineer | SaaS & AI | React, Next.js, Laravel

🚀 I’m Rohit — Senior Full-Stack Engineer with 15+ years of experience building SaaS platforms, AI-powered applications, scalable web systems, eCommerce solutions, and high-performance digital products. 🏆 Top Rated Plus | 100% Job Success | 7,999+ Upwork Hours | $100K+ Earned I help startups, SaaS companies, agencies, and established businesses turn complex ideas and business requirements into production-ready software that is fast, secure, scalable, and built for the long term. From architecture and UI/UX to frontend, backend, APIs, databases, integrations, automation, performance, and deployment, I can take ownership of the complete development lifecycle. 🚀 SaaS & Custom Web Applications Scalable SaaS platforms & web applications React & Next.js applications Laravel & Node.js backends REST APIs & third-party integrations Custom dashboards & admin systems PostgreSQL, MySQL & MongoDB Authentication, payments & business workflows Legacy application modernization 🤖 AI & Automation AI-powered web applications ChatGPT / LLM integrations AI chatbots & virtual assistants AI content & workflow automation API-driven automation Zapier / Make integrations AI-powered data processing & personalization 🌐 WordPress & WooCommerce Custom themes & plugins Complex WooCommerce development ACF, Elementor, Divi & WPBakery Custom APIs & integrations Performance & Core Web Vitals optimization High-traffic website optimization Legacy WordPress modernization 🛍️ Shopify Custom Shopify themes Advanced product functionality Custom storefront experiences App & API integrations eCommerce optimization Performance & conversion improvements ⚙️ Engineering & Performance I don't just build software that works — I build software that is maintainable, secure, fast, and ready to scale. My focus includes: Clean & scalable architecture High-performance frontend & backend Core Web Vitals optimization Secure APIs & authentication Scalable database architecture Pixel-accurate responsive UI SEO-friendly development Reliable third-party integrations Production-ready deployment 👨‍💼 Who I Work With ✔ Startups building new products ✔ SaaS companies scaling existing platforms ✔ E-commerce businesses ✔ Agencies needing a senior development partner ✔ Established businesses modernizing legacy systems ✔ Companies integrating AI into existing workflows 💎 Why Clients Hire Me 15+ years of real-world development experience 7,999+ hours successfully delivered on Upwork 100% Job Success Top Rated Plus $100K+ earned on Upwork Full-stack ownership from architecture to deployment Strong focus on scalability, performance & security Clear communication and long-term technical partnership Whether you're building a new SaaS product, adding AI to an existing platform, rebuilding a legacy application, improving performance, or developing a complex business system, I can help you choose the right technical approach and deliver it properly. 📩 Have a project in mind? Send me the details — what you're building, what you're trying to achieve, and where you need help. Let's build something that lasts.