Available for opportunities

Hi, I'm Sithum

Building scalable systems, one event at a time

Scroll

Introduction

About Me

Profile Photo

2+ Years Exp

Software Engineer with experience building scalable, event-driven systems using Next.js, MongoDB, PostgreSQL, and AWS. Strong background in backend architecture, data migrations, and high-throughput messaging systems. Proven ability to own features end-to-end and collaborate effectively in fast-paced product teams.

2+ Years

Experience

Event-Driven Systems

Specialization

Full-Stack Development

Focus

Sri Lanka

vihangams.20@gmail.com

University of Moratuwa

Career Journey

Experience

March 2025 – Present

Software Engineer

Metarune Labs (PVT) Ltd.

Contributing to the Staryo Creator Platform using Next.js, focusing on scalable backend systems and performance improvements
Architected a scalable, event-driven announcement system using MongoDB Triggers, Amazon SQS, and AWS Lambda
Led the migration of the Creator Mass Messaging system to event-driven architecture, improving throughput and reliability

Next.jsMongoDBAWS SQSLambdaSnowflakeCortex AI

March 2025 – Present

Software Engineer

Metarune Labs (PVT) Ltd.

Contributing to the Staryo Creator Platform using Next.js, focusing on scalable backend systems and performance improvements
Architected a scalable, event-driven announcement system using MongoDB Triggers, Amazon SQS, and AWS Lambda
Led the migration of the Creator Mass Messaging system to event-driven architecture, improving throughput and reliability

Next.jsMongoDBAWS SQSLambdaSnowflakeCortex AI

Oct 2024 – March 2025

Backend Engineer

People Solutions Development (PSD)(Part Time)

Designed database structures and developed scalable backend APIs using Nest.js for ERP modules
Created and executed migration scripts for seamless customer data integration
Converted web application into cross-platform desktop app using Electron.js

Nest.jsElectron.jsPostgreSQLTypeScript

May 2024 – Dec 2024

Associate Software Engineer

Fcode Labs (PVT) Ltd.

Developed and maintained data migration system for Terezi HR management system
Migrated Terezi backend from MongoDB to PostgreSQL, improving performance and scalability
Optimized database performance using raw PostgreSQL queries with Prisma ORM

MongoDBPostgreSQLPrisma ORMNext.js

May 2024 – Dec 2024

Associate Software Engineer

Fcode Labs (PVT) Ltd.

Developed and maintained data migration system for Terezi HR management system
Migrated Terezi backend from MongoDB to PostgreSQL, improving performance and scalability
Optimized database performance using raw PostgreSQL queries with Prisma ORM

MongoDBPostgreSQLPrisma ORMNext.js

Nov 2023 – May 2024

Intern Software Engineer

Fcode Labs (PVT) Ltd.

Delivered key features for Terezi HR system including Project Members and Resource Allocation modules
Optimized Notifications and Pending Actions using MongoDB Aggregation Pipeline with Prisma ORM

MongoDBPrisma ORMReactNode.js

Featured Work

Projects

In Progress

Tech Finder AI

Nov 2025 – Present

AI-driven product finder using natural language search to recommend tech products with intelligent matching and conversational refinement.

Next.jsMongoDBPrismaBetterAuthn8n

Completed

Vectify

May 2024 – May 2025

Mobile app that captures images to detect and refine logos, converts them into high-quality vector formats, and matches with a database to identify brands.

YOLOOpenCVTensorFlow LitePyTorchFlutterFastAPI

Completed

Ayurvedic Pharmacy Web App

Sep 2025 – Nov 2025

Responsive web application for an Ayurvedic pharmacy to showcase products and services, with WhatsApp ordering and admin dashboard.

Next.jsMongoDBPrismaBetterAuth

Completed

RAG Chat Bot

Sep 2024 – Dec 2024

Chatbot application that answers questions based on provided website content, featuring caching, chat streaming, and history options.

Next.jsVercel AI SDKUpstashRedis

Completed

Expense Tracker API

Oct 2024 – Dec 2024

High-performance backend for expense tracking built with modern JS runtimes, featuring JWT security, RESTful endpoints, and clean architecture.

Bun.jsHono.jsPrisma ORMPostgreSQL

View More on GitHub

Tech Stack

Skills

Languages

JavaScript

TypeScript

Python

Frontend

React.js

Next.js

Backend

Node.js

Express.js

Nest.js

Bun.js

Hono.js

Databases

MySQL

MongoDB

PostgreSQL

Tools & Cloud

AWS

Git

Prisma ORM

GraphQL

Socket.io

Docker

ML & AI

YOLO

OpenCV

TensorFlow Lite

PyTorch

Academic Background

Education

2021 – 2025

University of Moratuwa

BSc Eng (Hons), Computer Science & Engineering

Sri Lanka's top engineering university

2010 – 2019

Debarawewa Central College

G.C.E. A/L - 3 A Passes (Physical Science Stream)

Island Rank: 3

Credentials

Certifications

AWS Knowledge: Compute

AWS Academy

AWS Knowledge: Cloud Essentials

AWS Academy

React Basics

Programming with JavaScript

Get In Touch

I'm currently open to new opportunities and collaborations. Whether you have a question, a project idea, or just want to say hi, feel free to reach out!

vihangams.20@gmail.com

Phone

+94 71 303 9970

Or find me on