Senior Software Engineer · Full-Stack & AI

Hello, My Name Is Sandeepa Rambukwella

Senior full-stack engineer with 3+ years building AI-powered, cloud-native applications for US and Australian clients — React, Next.js, .NET Core, Python and AWS, shipping LLM integrations and RAG pipelines from architecture to production.

Web Apps

Mobile Apps

AI Apps

Telephony Agents

Workflow Automations

Desktop Apps

About Me

Who Am I

Senior Full-Stack Engineer with 3+ years building AI-powered, cloud-native applications for US and Australian clients — React, Next.js, .NET Core, Python and AWS, from architecture through production.

Sandeepa Rambukwella

+9478 386 3533

chemilthas@gmail.com

Born on 04 Jan, 2000

BSc (Hons) Software Engineering at The Open University of Sri Lanka

Kandy, Sri Lanka · Remote (US / EU / AU time zones)

Language Skill

English (Proficient), Sinhala (Native)

My Services

Full-Stack Development

End-to-end web applications with React, Next.js and Astro.js frontends backed by .NET Core, FastAPI and Node.js APIs — from architecture through production.

AI Application Development

LLM integrations and RAG pipelines with OpenAI, Gemini, Claude and Llama, plus computer-vision work in Python — intelligent features that solve real business problems.

Cloud & Mobile Engineering

Cloud-native systems on AWS (Lambda, Step Functions, ECS, S3, DynamoDB) with Docker and CI/CD, plus cross-platform mobile apps in React Native and .NET MAUI.

Latest Projects

Take a look at some of the recent work I've been involved in, showcasing my skills in web, mobile, and AI development.

React js

AI Travel Planner

AI-generated travel itineraries with dynamic location data, built with React, Google Places API, Gemini and Firebase.

Next js

AI Job Interviewer

AI-generated interview questions with video responses and feedback, built with Next.js, Gemini API and Drizzle ORM.

Next js

AI Image & Video Editor

Generative fill, smart crop, video enhancement and background replacement, built with Next.js.

Python

Virtual Mouse

A virtual mouse control system using hand gestures, developed with Streamlit, Mediapipe, and OpenCV.

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Testimonials

Upul Senevirathne

Temple Committee President

Sandeepa did an excellent job creating our React-based temple website. It's user-friendly and effectively communicates our mission. Highly recommend!

Namal Sooriyabandara

Business Owner

Sandeepa helped us launch our cleaning service business with a website and business account. Our online visibility have increased the client reach significantly. Thank You!

Achira Abeyrathna