Available for opportunities

Hasantha
Pathirana

Full-stack Software Engineer specialising in Angular & .NET Core. Building enterprise-grade systems at SriLankan Airlines and exploring the frontier of AI integration with RAG pipelines and LLMs.

Expertise

What I build with

Frontend Development

Angular React Angular Material RxJS Signals SCSS Bootstrap jQuery

Backend Development

.NET Core REST APIs JWT Auth PHP SignalR RBAC

AI & LLM Integration

RAG Pipelines Ollama LangChain Llama Qwen NL2SQL Pinecone

Databases

MSSQL MySQL Oracle Stored Procedures Firebase

Mobile Development

Swift Flutter Firebase Provider Core Data

Cloud & DevOps

Azure Docker Nginx Linux VPS App Services Azure SQL

Career

Work experience

SriLankan Airlines 2024 — Present

Software Engineer

CharikaPlus — Staff Travel Application Angular · .NET Core · MSSQL · JWT · Angular Material
Evaluate — HR Appraisal System Angular · .NET Core · MSSQL · RxJS · Angular Material
YouLink — Internal Corporate Platform Angular · .NET Core · Swift · Core Data · MSSQL
SriLankan Airlines 2022 — 2023

IT Project Coordinator

SriLankan Engineering Website Angular · REST APIs · SCSS
Careers Website + Aviation College QBank (LMS) Figma · .NET MVC 5 · SignalR · jQuery · MSSQL
DMS Software Technologies 2022 — 2023

Software Engineer

SriLankan Cargo Website Angular · REST APIs · SCSS
Umee Media, LLC — Washington D.C. (Remote) 2021 — 2022

Mobile Application Developer

PitNest — Gym Community Mobile App Flutter · Firebase · Provider · REST APIs
SriLankan Airlines 2021 — 2022

Intern

SARA Dashboard + Gift Of Life Website PHP · MSSQL · jQuery · LDAP · Angular · Figma

Freelance & Personal

Selected projects

FREELANCE · MOBILE + WEB

Bright N Shine Services — Full Digital Suite

Employee management web app with CRUD, attendance, and task tracking. Companion Flutter mobile app for on-the-go access.

PHPMySQLFlutterSCSS
FREELANCE · WEB

KNK Building Solutions — Corporate Website

Collaborated to design and implement the company website. Contributed to backend, contact forms, and responsive layout.

PHPMySQLSCSS
FREELANCE · WEB

Nexus Logistic Cargo

Responsive company website showcasing logistics services with clean layout and contact flows aligned with brand identity.

PHPMySQLSCSS
PERSONAL · AI/ML

RAG Pipeline with LLM Query System

Built RAG pipelines with chat history, NL2SQL query generation, and vector-based context retrieval using Ollama and Qwen.

LangChainOllamaPineconePython

Academic background

Education & certifications

2022 — 2023

BSc (Hons) Computer Science & Software Engineering

Kingston University, UK · Second Upper (2:1)

2020 — 2022

Higher Diploma in Information Technology

SLIIT Academy, Kollupitiya

Udemy · Mar 2025

Angular — The Complete Guide

Credential: UC-cb931986-330c-4120-beab-c246959f97b6

Udemy · Nov 2024

Flutter & Dart — The Complete Guide

Credential: UC-17e6e5fe-e3c3-47e1-9937-1a3b5b0205c1

In Progress

Azure Fundamentals (AZ-900)

Microsoft · Cloud & Deployment

Udemy · Jan 2023

Figma UI/UX Design Essentials

Credential: UC-b1435736-7c7a-433d-bdf8-e0780810f54e

Open to new
opportunities

Whether it's a full-time role, freelance project, or just a conversation about software and AI — my inbox is always open.

Send me an email →