🌍 Colombo, Sri Lanka
🚀 Aspiring Software Engineer | Full-Stack Developer | Cloud Enthusiast
I am a results-driven software engineering student at SLIIT, currently interning at Hayleys PLC / Haycarb PLC. I specialize in building production-ready full-stack systems, including enterprise dashboards, analytics platforms, and cloud-native applications. My focus is on delivering robust, scalable, and maintainable solutions using modern technologies.
Languages:
JavaScript
TypeScript
Python
Backend:
Node.js
FastAPI
Express
DevOps & Cloud:
Docker
GitHub Actions
AWS
Software Engineering Intern — Hayleys PLC / Haycarb PLC
Sept 2025 – Present
- Engineered FastAPI & Node.js backend services, improving API reliability by 25%
- Built React.js & Next.js analytics dashboards, delivering 35% of total UI components
- Automated CI/CD pipelines with GitHub Actions & Docker, cutting manual deployment steps by 30%
Enterprise analytics platform for HayCarb's sales and marketing teams
- Real-time pricing insights, distribution tracking & predictive forecasting
- Python-based forecasting models for data-driven pricing
- Interactive React dashboards for multi-region sales analysis Tech: React, FastAPI, Python, Predictive Analytics
Full-stack vehicle monitoring system for Haycarb PLC
- 40% faster request handling via optimized MongoDB schemas
- Real-time React dashboard reduced manual vehicle logging by 70%
- Containerized with Docker; automated CI/CD via GitHub Actions Tech: FastAPI, React, MongoDB, Docker, GitHub Actions
Led the complete User Management module
- JWT-based authentication with RBAC
- Normalized MongoDB schema using aggregation pipelines
- Reduced redundant database queries by 35% Tech: React, Node.js, Express, MongoDB, JWT
- GitHub Developer Program Member
- Pull Shark x2, Pair Extraordinaire, YOLO, Quickdraw
- 783+ contributions in the last year
- Email: bagyasadumina@gmail.com
- LinkedIn: sadumina-rathnayaka
- Medium: @bagyasadumina
- HackerRank: it23394124



