I will develop full stack web applications

K
kalani_nipu
K
kalani_nipu
Kalani W

About this gig

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

Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know Kalani W

Kalani W

Full Stack Engineer

  • FromSri Lanka
  • Member sinceJul 2026
  • Avg. response time1 hour
  • Languages

    English
Accomplished Full-Stack Software Engineer with over 5+ years of experience building secure, scalable web applications. I specialize in React.js, Node.js, Express.js, Java, and Spring Boot ecosystems. From architecting robust RESTful APIs and optimizing MySQL/Oracle SQL queries to integrating Geolocation APIs and designing responsive UIs, I turn complex requirements into high-performance code. Dedicated to absolute data integrity, quick turnaround times, and clear communication. Let’s build something great!

My Portfolio