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Backend Engineer Building SaaS products, AI integrations, and automation workflows with secure APIs, thoughtful user experiences, and cloud-ready infrastructure.

3+
Years Experience
10+
Projects Built
E2E
Idea to Deployment

IamasoftwareengineerandBSc(Hons)ITgraduatefromtheUniversityofMoratuwa,focusedonbuildinguseful,real-worldsoftwareproducts.Iworkacrossthefulldevelopmentlifecycle,fromunderstandingaproblemanddesigningitssolutiontobuilding,deploying,andsupportingthefinishedproduct.MystrongestworkincludesSaaSapplications,AIintegrations,businessautomationworkflows,backendAPIs,andclouddeployment.AtExpendables,IcurrentlydevelopAIbusinessautomationandSaaSproducts,includingLivwell,ahealthymealplatform.MyresearchalsoexploresAI-drivensystems,especiallyAIagentsthatautomaterepetitiveworkandimproveuserexperiences.Mygoalistocreatecompletesoftwareproductsthatarecleartouse,maintainabletodevelop,anddependableinproduction.

3+
Years Exp
10+
Major Projects
SaaS & APIs
Cloud & AI
What I can build

Services focused on business outcomes

I help turn ideas and manual processes into reliable software products, AI-enabled experiences, and automation workflows.

01

SaaS Product Development

End-to-end web products built around real business workflows, from responsive interfaces and admin dashboards to authentication, payments, and production deployment.

MVPsAdmin dashboardsPayment flows
02

AI Integrations

Practical LLM features added to new or existing products, including intelligent assistants, structured outputs, multi-agent workflows, and explainable AI-powered experiences.

LLM featuresAI agentsLLM orchestration
03

Workflow & Business Automation

Automation flows that connect business systems, reduce repetitive work, process information, trigger notifications, and keep operations moving reliably.

Process automationSystem integrationsBackground jobs
04

Backend APIs & Cloud Delivery

Secure APIs, database design, distributed processing, containerized services, and cloud-ready infrastructure for products that need to grow with confidence.

REST APIsDocker & AWSReliable backends

Education & Experience

2022 – 2026

BSc (Hons) in Information Technology

University of Moratuwa, Sri Lanka · Second Class Upper Division

Focused on software engineering, web technologies, database systems, computer networks, and modern application development. Developed practical experience in full-stack development, system design, and problem-solving through academic and personal projects.

Data StructuresMachine LearningSoftware EngineeringNetworkingAgentic AI
Aug 2026 – Present

Associate Software Engineer – AI Automation & SaaS

Expendables

Developing AI-powered business automation workflows and SaaS products, including Livwell, a healthy meal platform. The work focuses on automating operational processes, integrating AI capabilities, and delivering full-stack product features.

AI AutomationBusiness WorkflowsSaaSFull-Stack DevelopmentLivwell
Sep 2025 – Jan 2026

Associate Software Engineer

Azbow (Pvt) Ltd

Contributed to the development of scalable web applications, admin dashboards, and backend services using modern JavaScript frameworks. Collaborated within Agile teams to deliver enterprise software solutions.

Node.jsExpress.jsReact.jsMongoDBMySQL
Mar 2025 – Sep 2025

Software Engineer Internship

Azbow (Pvt) Ltd

Developed frontend applications and integrated backend services, automation workflows, and third-party platforms. Gained hands-on experience in full-stack development and enterprise software engineering.

Node.jsExpress.jsReact.jsMongoDBMySQL

Selected Projects

Research and product work across SaaS, AI integrations, automation, backend, cloud, and IoT. Scroll to explore each project.

08IoT Automation

Automated Hydroponic Farming Chamber

An automated hydroponic farming system designed to optimize indoor plant growth by monitoring and controlling key environmental parameters such as pH, temperature, humidity, light, and nutrient levels.

IoTAutomationEmbedded SystemsMicrocontrollers
07Distributed Systems

Distributed Job Queue System

A scalable distributed job queue system built with Spring Boot and Redis for asynchronous background processing, featuring retry handling, dead-letter queues, and annotation-based job execution.

JavaSpring BootRedisSpring AOPDockerSystem Design
06SaaS Platform

Sport Facility Management System

A web-based sport facility management platform enabling booking, payments, and role-based access for coaches, players, and admins, with automated notifications and secure payment integration.

React.jsNode.jsMS SQLAnt DesignJWTPayHere
05Machine Learning

Sri Lanka Mobile Phone Price Prediction System

An ML pipeline for mobile price prediction using XGBoost, real marketplace data, and a Streamlit app with explainable results.

PythonXGBoostSHAPStreamlitPandas
04Full-Stack Commerce

HandFree E-commerce Platform

A full-stack e-commerce platform with customer and admin modules, featuring product browsing, cart management, secure checkout, and order processing with role-based access control.

React.jsNode.jsExpress.jsMongoDBJWTDockerCloudinaryPayHere
03Real-Time Web App

Web App for Mora Carrom

A React-based web application for managing university carrom events, featuring authentication, event organization, and real-time data handling using Appwrite.

React.jsAppwriteTailwind CSS
02Cloud-Native Backend

Healthcare Management System

A cloud-native healthcare management system built using Spring Boot microservices, featuring secure JWT authentication, gRPC-based service communication, Kafka-driven event processing, API gateway routing, and automated AWS infrastructure provisioning.

JavaSpring BootKafkagRPCDockerAWS
01AI Research

AI-Based Stepwise Algebra Evaluation System

Role · AI & Backend Developer

A LangGraph multi-agent research system for evaluating step-by-step algebra solutions. Specialized agents handle reasoning, validation, method detection, and marking-scheme matching, coordinated by a supervisor for consistent and explainable results.

PythonLLMsLangGraphPrompt EngineeringMulti-Agent AI

Technical Arsenal

Technologies I use to bring ideas to life

FRONTEND

Interfaces engineered to perform

Next.js
Next.js
React
React
Vue.js
Vue.js
TypeScript
TypeScript
JavaScript
JavaScript
GSAP
GSAP
Tailwind
Tailwind
Framer
Framer
Shadcn UI
Shadcn UI
Redux
Redux
HTML5
HTML5
CSS3
CSS3

BACKEND & DATA

Scalable systems & APIs

Node.js
Node.js
Express
Express
Spring Boot
Spring Boot
Python
Python
gRPC
gRPC
Kafka
Kafka
REST API
REST API

DATABASES

Data storage & management

MySQL
MySQL
MongoDB
MongoDB
PostgreSQL
PostgreSQL
Neon DB
Neon DB
Firebase
Firebase
Redis
Redis

AI & SYSTEMS

Intelligent automation & agents

OpenAI
OpenAI
LangGraph
LangGraph
LLMs
LLMs
Prompting
Prompting
Multi Agents
Multi Agents

DEVOPS & TOOLS

Ship fast, ship confidently

Git
Git
Docker
Docker
AWS
AWS
Linux
Linux
Vercel
Vercel
Figma
Figma

LET'S BUILD
SOMETHING
ROBUST.