Rohitkumar D.

Hello 👋 I am a Senior Full-Stack / MERN Stack Developer with 7+ years of hands-on experience building reliable, scalable, secure, and high-performance web applications for startups, businesses, and enterprise clients. I specialize in developing complete web applications using MongoDB, Express.js, React.js, Node.js, JavaScript, and TypeScript, while also working extensively with Next.js, Angular, AWS, REST APIs, Docker, and CI/CD. I can handle the complete development lifecycle from understanding requirements and designing the architecture to frontend development, backend APIs, database design, testing, cloud deployment, and ongoing maintenance. My focus is simple: clean code, scalable architecture, strong performance, clear communication, and reliable delivery. 🚀 What I Can Build for You → Complete MERN Stack web applications from scratch → Scalable React.js and Next.js applications → Node.js / Express.js backend systems and REST APIs → Angular-based web applications and enterprise interfaces → SaaS platforms and business applications → Admin dashboards and management portals → E-commerce and marketplace applications → Custom business web applications → Third-party API integrations and backend services → Authentication, authorization, and role-based access systems → Existing application modernization and refactoring → Bug fixing, performance optimization, and feature development → AWS cloud deployment and application infrastructure 💻 Frontend Development → React.js → Next.js → Angular → JavaScript (ES6+) → TypeScript → HTML5 / CSS3 → Tailwind CSS → Bootstrap → Redux / Redux Saga / modern state management → Responsive and cross-browser UI development → Figma-to-React implementation → Performance optimization and reusable component architecture I focus on building frontend applications that are responsive, maintainable, accessible, and easy to scale, rather than simply making individual screens work. ⚙️ 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐀𝐏𝐈 𝐃𝐞𝐯 → Node.js → Express.js → Koa.js → RESTful API development → API integration and third-party services → Authentication and authorization → Role-based access control → Server-side business logic → Database integration → Webhooks and asynchronous workflows I build backend systems with clean API architecture, proper validation, error handling, security, and scalability in mind. 🗄️ 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞 → MongoDB → MySQL → PostgreSQL → SQL / NoSQL database design → Database optimization → Data modeling and relationships → Query optimization → Enterprise database environments including Oracle and MariaDB ☁️ 𝐀𝐖𝐒 & 𝐂𝐥𝐨𝐮𝐝 𝐈 𝐡𝐚𝐯𝐞 𝐡𝐚𝐧𝐝𝐬-𝐨𝐧 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐝𝐞𝐩𝐥𝐨𝐲𝐢𝐧𝐠 𝐚𝐧𝐝 𝐬𝐮𝐩𝐩𝐨𝐫𝐭𝐢𝐧𝐠 → AWS Lambda → API Gateway → DynamoDB → RDS → EC2 → S3 → Cognito → CloudFront → Route 53 → SQS / SNS → Kinesis → CloudFormation → CloudWatch → AWS IoT → Amplify / AppSync → Elasticsearch → IAM → CI/CD with CodeBuild, CodePipeline, CodeDeploy I can help with both application development and cloud deployment, so you don't need separate developers for every layer of your project. * 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐨𝐨𝐥𝐬 → Docker → Kubernetes → Jenkins → CI/CD pipelines → Git / GitHub → Jira → Slack → Trello → Code quality and development workflows * 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 & 𝐁𝐞𝐬𝐭 𝐏𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 I build applications with long-term maintainability in mind. → Clean and reusable code → Scalable architecture → Unit and integration testing → Bug fixing and root-cause analysis → Performance optimization → Code reviews and refactoring → Security best practices → Responsive and accessible interfaces → Production-ready development 🌟 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? ✅ 7+ years of real-world development experience ✅ Strong 𝐌𝐄𝐑𝐍 𝐒𝐭𝐚𝐜𝐤 + 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐞𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 ✅ React + Node.js development from frontend to backend ✅ Experience with Angular for existing and enterprise applications ✅ Strong JavaScript and TypeScript knowledge ✅ AWS and cloud deployment experience ✅ Comfortable working with existing codebases as well as building from scratch ✅ Clear communication and regular progress updates ✅ Clean, maintainable, and scalable code ✅ On-time delivery with attention to detail ✅ Comfortable working independently or as part of a development team ✅ Long-term mindset focused on business results 🤝 𝐇𝐨𝐰 𝐈 𝐖𝐨𝐫𝐤 I start by understanding your requirements, existing architecture, business goals, and technical challenges. Then I define the right approach, break the work into manageable milestones, develop and test each component, keep you updated throughout the project, and deliver a production-ready solution. Whether you need a new 𝐌𝐄𝐑𝐍 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐑𝐞𝐚𝐜𝐭/𝐀𝐧𝐠𝐮𝐥𝐚𝐫 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭, 𝐍𝐨𝐝𝐞.𝐣𝐬 𝐀𝐏𝐈𝐬, 𝐀𝐖𝐒 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭, 𝐨𝐫 𝐢𝐦𝐩𝐫𝐨𝐯𝐞𝐦𝐞𝐧𝐭𝐬 𝐭𝐨 𝐚𝐧 𝐞𝐱𝐢𝐬𝐭𝐢𝐧𝐠 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧, I can take ownership of the complete development process. 🚀 Let’s Build Your Project