Hi, I'm Buddhika đź‘‹
DEVOPS ENGINEER | KUBERNETES | CI/CD | AWS
BB
đź’ś

About

DevOps-focused Software Engineer with hands-on experience in Kubernetes-based distributed systems, CI/CD pipelines, and production deployments. Strong background in Linux, networking, and containerized infrastructure with a focus on scalability and reliability.

Certifications

  • AWS Cloud Practitioner (KodeKloud)
  • Terraform Associate (KodeKloud)
  • Fundamentals of SRE (KodeKloud)
  • LFS158: Introduction to Kubernetes

Work Experience

C

Celsius IT

May 2025 - March 2026
Freelance Software Engineer

Education

U

University of Kelaniya

2024 - Present
University of Kelaniya

Volunteering

I

Industrial Management Science Students’ Association

2025 - 2026
Junior Treasurer

Skills

Docker
Kubernetes
AWS(EC2, S3, EKS..)
Terraform
Jenkins
Github Actions
Linux & Scripting
Networking
n8n
Python
.NET
C++
Java
Node.js
React
Flutter
My Projects

Check out my latest work

I've worked on a variety of projects, from simple websites to complex web applications. Here are a few of my favorites.

Distributed Collaborative Canvas
Distributed Collaborative Canvas

Real-time multi-user canvas using WebSockets with Redis-based global stroke ordering. Stateless Node.js services scaled on Kubernetes with HPA and Traefik ingress. Implemented JWT auth, RBAC, and Prometheus/Grafana observability.

Node.js WebSockets Redis Kubernetes Traefik JWT Prometheus Grafana
Rezervo - Multi-Tenant SaaS Booking Platform
Rezervo - Multi-Tenant SaaS Booking Platform

Built and deployed a containerized SaaS platform using Docker Compose and Nginx. Implemented CI/CD pipelines with Jenkins for automated builds, testing, and deployments. Developed the real-time booking system using React, Node.js, PostgreSQL with payment integration.

React Node.js PostgreSQL Docker Compose Nginx Jenkins
TrueGate - Full-Stack CI/CD Deployment
TrueGate - Full-Stack CI/CD Deployment

Docker Compose orchestration with NGINX reverse proxy and HTTPS. CI/CD pipeline via GitHub Actions: automated tests → SSH deployment.

Docker Compose NGINX GitHub Actions SSL
UniNavigator - AI Academic Counselor
UniNavigator - AI Academic Counselor

RAG + agent routing over Z-score CSVs and UGC handbook with Stateful, multilingual chat. FastAPI backend with FAISS vector search.

FastAPI FAISS Python RAG
Hackathons

I like building things

Here are some of my achievements and competition highlights.

  • S

    SDG Sprints 2026

    IEE SIGHT Sri Lanka Chapter

    Winner of the SDG Sprints 2026 hackathon.

  • C

    Code with WIE 2025

    IEE WIE Sri Lanka Chapter

    2nd runners up in the Code with WIE 2025 competition.

  • N

    Netcom 2024

    SLIIT CodeFest

    Finalist in Netcom 2024.

  • C

    Cyberzee’24

    ISACA Student Chapter - UOK

    Finalist in Cyberzee’24.

  • M

    Mobitel Codeblast 2025

    SLTMobitel

    Finalist in Mobitel Codeblast 2025.

Contact

Get in Touch

Want to chat? Just shoot me an email and I'll respond whenever I can.