Hey, I am Sandeepa
Cloud Enthusiast Building Reliable, Scalable Digital Products
Freelance web developer and cloud enthusiast from Sri Lanka. I build fast websites, online stores, AI chatbots and cloud systems for businesses worldwide.
Open to internships & junior rolesMicrosoft Learn Student AmbassadorsAssociate Student Ambassador
Credentials & Community
Projects
Cloud infrastructure, APIs, mobile apps and websites I have designed, built and shipped.
Azure IaC with Bicep: eShopOnWeb
Provisioned App Services, SQL databases and networking for eShopOnWeb with zero manual steps.
Subscription Management API
Production-ready REST API with JWT auth, Arcjet rate limiting and subscription email alerts.
Dockerized Notes on Kubernetes
Multi-container app behind an Nginx proxy on Minikube, with persistent volumes and health checks.
TailorSync
Mobile app for tailors to manage client measurements, orders and schedules, offline first.
Gaming 6T6 YT Store
Online store for Free Fire game accounts in Sri Lanka, with searchable listings and WhatsApp checkout.
EuroMatch
Landing site for a Telegram dating bot that connects singles across Europe, in English and Russian.
SchoolUA
Multilingual school community site with responsive layouts.
ArtSchool
Art portfolio site with scroll interactions and gallery sliders.
KapInternational
Corporate platform with space-themed visuals and vector animation.
European Education Academy
Certificate course portal with validated registration forms.
Ukrainian School of Paris
Cultural academy landing page with accessible, cross-device layouts.
PlumberRem
Plumbing service site built around emergency booking and calls.
Lupmkc
Business landing page; CSS refactor cut load latency by 20%.
UASchool
Education landing page with courses, schedules and registration.
Services
Freelance website, cloud and DevOps services for businesses, schools and startups, in Sri Lanka and worldwide.
Cloud Infrastructure
Designing and provisioning Azure and AWS environments with Infrastructure as Code, so every resource is versioned and repeatable.
DevOps & CI/CD
Pipelines with Jenkins and GitHub Actions that build, scan, test and ship containers to Kubernetes automatically.
Backend & APIs
Secure REST and gRPC services in Node.js, Python and Go, with authentication, rate limiting and solid data models.
Web Development
Fast, responsive websites and web apps in React and Next.js, built to be easy to maintain and quick to load.
Mobile Apps
Cross-platform Flutter apps with clean interfaces and offline-ready storage.
AI & Chatbot Solutions
AI assistants built with Microsoft Foundry and Telegram bots that answer customers, take orders and automate everyday tasks.
My Stack
Azure
Cloud platform & Bicep IaC
Microsoft Foundry
Building AI apps & agents
Docker
Containerizing every service
Kubernetes
Orchestration & self-healing
Jenkins
CI/CD automation
Node.js
APIs with Express
React
Interactive web interfaces
Next.js
This website
Python
Flask services & scripting
Go
Fast, concurrent backends
MongoDB
Document databases
Supabase
Postgres backend & auth
Flutter
Cross-platform mobile
AWS
Cloud project experience
Postman
API & gRPC testing
GitHub
Version control & Actions CI
About Me
Sandeepa Wimalasiri
Cloud & Full-Stack Enthusiast · Sri Lanka
I am a Cloud Computing undergraduate at SLTC Research University. I combine backend engineering with DevOps practice to build containerized apps, Infrastructure as Code and highly available deployment flows.
Outside the code, I lead in the tech community as an Associate Microsoft Student Ambassador and IEEE Computer Society member, co-chairing hackathons like Codemania.
My journey
- Aug 2026 – Present
Associate Microsoft Student Ambassador
Microsoft Learn Student Ambassadors
- Jul 2026 – Present
Co-Director
6GC Production
- Dec 2025 – Mar 2026
Co-Chairperson, Codemania V6.0
IEEE Computer Society, SLTC
- Apr 2025 – Jan 2026
Technical Team Head, Lumora & Cloudspace
IEEE Computer Society, SLTC
- 2024 – Present
BSc (Hons) in Cloud Computing
SLTC Research University
My Process
Plan
Understand the goal, the users and the constraints before writing any code.
Build
Ship clean, tested code in small steps, with documentation as I go.
Automate
Containerize, codify the infrastructure and wire up CI/CD pipelines.
Deliver
Deploy, monitor and keep improving based on real feedback.
Articles
Notes and guides on cloud, DevOps and system design, published on Medium.
How we built and deployed a Full-Stack React Node.js app
DevOpsBuilding a complete DevSecOps CI/CD pipeline with Jenkins, SonarQube, Trivy, Docker and Kubernetes
System DesignFront-End System Design: Building Scalable High-Performance User Interfaces
System DesignBackend Architecture Design
APIsHow to test a gRPC API using Postman: a step-by-step guide
LanguagesBasics of Go
Frequently Asked Questions
What kind of roles are you looking for?
Internships and junior roles in cloud, DevOps or backend engineering, plus collaborative open-source and freelance web projects.
Which cloud platforms do you work with?
Mainly Microsoft Azure (including Bicep for Infrastructure as Code), with project experience on AWS and Vercel.
Can you build a website for my business?
Yes. I have shipped responsive sites for schools, academies and local businesses, and can handle design, build and deployment.
Do you work remotely?
Yes. I am based in Sri Lanka (GMT+5:30) and comfortable working with remote teams across time zones.
How quickly do you reply?
I usually reply within 24 hours by email or WhatsApp.