Jatinder S.

Senior Full-Stack Developer | React, Node.js, Hybrid Apps , SaaS, AWS

I help startups, SaaS companies, and growing businesses build scalable web and mobile applications that deliver measurable business results. With 10+ years of experience in full-stack development, I specialize in designing, developing, and deploying high-performance digital products—from MVPs to enterprise-scale platforms serving thousands of users. 🚀 What I Build 📱 Mobile Applications Cross-platform iOS and Android applications using React Native, delivering native-like performance while reducing development costs and time-to-market. 💻 Web Applications Modern, responsive, and scalable web applications built with: React.js Next.js Angular Vue.js Node.js Express.js MEAN Stack MERN Stack ⚙️ Backend Development Robust backend systems designed for performance and scalability: REST APIs GraphQL APIs Microservices Architecture Authentication & Authorization Payment Gateway Integration Third-Party API Integration ☁️ SaaS Product Development End-to-end SaaS platform development including: Multi-Tenant Architecture Subscription Billing Systems User Management Real-Time Analytics Admin Dashboards Enterprise Integrations 🛒 E-Commerce Solutions High-converting e-commerce platforms with: Custom Store Development Shopify Integration Marketplace Development Inventory Management Payment Processing Performance Optimization 🚀 Cloud & DevOps Reliable infrastructure and deployment pipelines: AWS Microsoft Azure Google Cloud Platform (GCP) Docker Kubernetes CI/CD Pipelines Serverless Architecture 🗄️ Database Design & Optimization PostgreSQL MySQL MongoDB Redis Database Scaling Query Optimization 🏭 Industry Experience I have successfully delivered solutions across: SaaS FinTech E-Commerce Healthcare Travel & Hospitality EdTech Startups Enterprise Applications 📈 Proven Results ✔ Built SaaS platforms generating $3M+ ARR with 75,000+ daily active users ✔ Increased e-commerce conversion rates by 42% through performance optimization and UX improvements ✔ Developed a FinTech MVP that secured $2M in funding within six months ✔ Delivered scalable applications capable of supporting 100K+ concurrent users 💡 Why Clients Work With Me ✅ Full-cycle product development from concept to launch ✅ Scalable architecture designed for growth ✅ Clean, maintainable, and future-proof code ✅ Fast delivery without compromising quality ✅ Strong focus on performance, security, and user experience ✅ Transparent communication and proactive problem-solving 🔒 𝐂𝐨𝐫𝐞 𝐅𝐨𝐜𝐮𝐬 𝐀𝐫𝐞𝐚𝐬 Full-Stack Development React Development Next.js Development Angular Development Node.js Development React Native Development SaaS Development API Development Cloud Architecture Microservices DevOps Database Optimization Application Security Performance Optimization Enterprise Software Development 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 React.js, Next.js, Node.js, React Native, TypeScript, MongoDB, PostgreSQL, AWS, Azure, GCP, SaaS Development, Microservices, Docker, Kubernetes, API Development, Full-Stack Development. 💬 Let's Build Something Great Whether you're launching an MVP, scaling an existing platform, modernizing legacy software, or building a custom web or mobile application, I can help turn your vision into a secure, scalable, and profitable product. Let's discuss your project and create a solution that drives real business growth.