I will develop full stack web applications


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Looking for a scalable, highly secure, and responsive web application built from scratch? You've come to the right place!
I am a professional Full-Stack Software Engineer with a proven track record of architecting robust enterprise web applications, high-concurrency database systems, and custom administrative portals. Whether you need a simple feature enhancement, a modern Minimum Viable Product (MVP), or a complex multi-role business platform, I deliver clean, clean-coded, and production-ready solutions tailored exactly to your requirements.
My Core Tech Stack:
Frontend: React.js, TypeScript, Next.js, HTML5, CSS3, Tailwind CSS
Backend: Node.js, Express.js, Java Spring Boot, RESTful API Development
Databases: MySQL, PostgreSQL, MongoDB, Oracle Database
Third-Party Integrations: Payment Gateways, Interactive Maps/Geolocation, JWT Auth, Role-Based Access Control (RBAC)
What I Can Build For You:
Custom Enterprise Software & Logistics Platforms (like TMS)
Advanced Admin Dashboards & Reporting Engines
E-Commerce Platforms & FinTech Software
Automated Business Process Workflows
Let's transform your brilliant idea into a functional
Respeta los derechos de terceros
Recuerda que incluir temas, plantillas o cualquier otro elemento que viole los derechos de terceros o las leyes aplicables en los trabajos entregados va en contra de las políticas de Fiverr. Puedes ver más información en Guía para la creación digital responsable.
Conoce a Kalani W
Full Stack Engineer
- DeSri Lanka
- Miembro desdejul 2026
- Responde aprox. en:1 hora
Idiomas
Inglés
Mi porfolio
FAQ
Do you provide the complete source code, and who owns it?
Yes! I deliver the full, well-structured source code with all three packages, along with basic documentation on how to run it locally.
Can you integrate external APIs, custom payment gateways, or maps?
Absolutely. I have extensive experience integrating secure payment gateways, third-party RESTful APIs, and live geolocation/map features into custom platforms
What if I don't have technical requirements prepared yet?
Don't worry! Just send me a message describing your business goal or system idea, and we can map out the technical workflows together.

