👋 About Me
I'm Jayesh Jeewantha, a dedicated Full-Stack & Mobile App Developer with over 3 years of professional experience building high-performance, scalable digital products. My core expertise lies in the MERN Stack, enriched by proficiency in AI integration, cloud services, and cross-platform mobile development.

With a strong foundation in Java, Python, and JavaScript, along with leadership experience from collaborative projects, I specialize in turning complex problems into user-friendly, impactful applications.

 
✅ Why Choose Me?
3+ Years of Professional Experience in Full Stack & Mobile App Development
Expert in MERN Stack, React.js, Next.js, Node.js, TypeScript, GraphQL
50+ Websites & 10+ Apps Delivered across industries like healthcare, education, hospitality, and e-commerce
Worked with 2 Tech Companies, solving real-world, high-complexity challenges
🏅 Certified Developer with a strong academic and technical foundation
⭐ 100% Client Satisfaction Rate with a clear, client-first communication style
 
🚀 What I Deliver
Custom Web Applications

Technologies: Python (Django, FastAPI), React.js, Node.js, JavaScript, PHP (Laravel), SQL, PostgreSQL, MongoDB, Firebase
Mobile: React Native, Flutter, Dart
AI Integration & Automation

OpenAI (ChatGPT), data analytics, workflow automation, intelligent chatbots
Business Software Solutions

CRMs, custom dashboards, internal tools, admin panels
MVP Development for Startups & SaaS

Rapid prototyping, product validation, scalable architecture
End-to-End Full Stack Development

CI/CD deployment pipelines, DevOps practices, cloud-hosted infrastructure
 
🛠 Tech Stack & Skills
Frontend Development
React.js, Next.js, Vue.js, TypeScript
Tailwind CSS, Bootstrap, Material UI, Ant Design
GSAP, Three.js, WebGL (3D & motion UI)
Backend Development
Node.js, Express.js, NestJS
RESTful APIs, GraphQL, WebSockets
Firebase Auth, JWT, OAuth2
Cloud & DevOps
AWS (EC2, S3, Lambda, API Gateway)
Azure, Google Cloud Platform (GCP)
CI/CD pipelines, Docker
Databases
MongoDB, PostgreSQL, Firebase, MySQL
Integrations & APIs
Stripe, PayPal, Razorpay
Twilio, Socket.io, Social Media APIs
Other Skills
JavaScript, TypeScript, Python, SQL
Headless CMS: Strapi, WordPress, Shopify
 
🤝 Let’s Collaborate!
Your vision deserves expert execution. Whether it's building a modern web platform, launching an MVP, or integrating AI into your product—let’s build something impactful together. Reach out and let’s start crafting your next success.

🧑‍💻 Work Experience 
With over 3 years of experience in full-stack and mobile app development, I have successfully delivered 50+ websites and 10+ mobile applications across industries such as healthcare, education, hospitality, and e-commerce. I’ve worked with two tech companies, leading and contributing to complex projects involving MERN stack, TypeScript, GraphQL, and cloud services.

My experience includes:

Building scalable full-stack applications using React, Node.js, and MongoDB
Developing cross-platform mobile apps with React Native and Flutter
Integrating AI solutions using OpenAI and automation tools
Implementing CI/CD pipelines and deploying solutions on AWS, Azure, and GCP
Creating custom APIs, dashboards, CRMs, and real-time communication features
I thrive in agile environments and enjoy transforming ideas into powerful, user-centered solutions.