BuildingIntelligent Systems

Hi, I am ThilankaAI & Full Stack Developer

I build AI-driven applications, production-minded ML pipelines, and data-intensive systems that turn research ideas into usable software.

Portrait of Thilanka Wijesingha

Featured Projects

Prime Lands Real Estate Intelligence Platform default project cover

Prime Lands Real Estate Intelligence Platform

Config-driven RAG platform that transforms JavaScript-rendered real estate content into a grounded question-answering knowledge base with adaptive retrieval.

PythonLangChainQdrant+3
Telco Customer Churn Prediction Pipeline default project cover

Telco Customer Churn Prediction Pipeline

Production-oriented churn modeling workflow with PySpark preprocessing, classical ML baselines, MLflow tracking, and streaming-style inference telemetry.

PythonPySparkMLflow+4
MindMirror Personality Forecasting Engine default project cover

MindMirror Personality Forecasting Engine

Async Big Five direction prediction service for weekly behavioral trend analysis from Reddit activity with tracked model lineage and authenticated API delivery.

Python 3.11FastAPIPostgreSQL+5
MindMirror Conversational AI Agent default project cover

MindMirror Conversational AI Agent

Domain-restricted conversational intelligence service that interprets psychology signals, personal history, and behavioral trends through a guarded LangGraph pipeline.

Python 3.10FastAPILangGraph+5
Hotzy Foods homepage hero with sauce bottles, navigation, and product discovery call to action.

Hotzy Foods Full-Stack Commerce Platform

Full-stack Next.js commerce and admin platform for Hotzy Foods, with MongoDB, JWT auth, RBAC, Cloudinary media, cart, checkout, orders, offers, and operational dashboards.

Next.jsReactTypeScript+7

Expert Technologies

Data Engineering

Distributed and batch/stream pipelines

  • Apache Kafka
  • Apache Airflow
  • Apache Hadoop
  • YARN
  • Apache Spark
  • PySpark
  • Power BI

AI and ML

Model workflows, orchestration, and observability

  • Python
  • LangChain
  • LALangGraph
  • LangFuse
  • MLflow

Cloud and DevOps

Cloud delivery and engineering workflows

  • AWS
  • Docker
  • Git

Backend and APIs

Service architecture and app backends

  • Node.js
  • Express.js
  • FastAPI
  • Flask
  • Java
  • Playwright

Databases

Operational and vector data platforms

  • PostgreSQL
  • MySQL
  • Microsoft SQL Server
  • MongoDB
  • Neo4j
  • Firebase
  • Qdrant
  • Supabase

Web and Mobile

Frontend and client experience

  • Flutter
  • React
  • Next.js
  • JavaScript
  • HTML
  • CSS
  • Tailwind CSS

Work Experience

Sep 2025 - Jun 2026

Software Engineer

Contract
Standard Deviant Analytics
  • Development of a scalable multi-module Spring Boot data platform
  • Ingested and processed data from 300+ external game providers
  • Built provider-specific ingestion modules reducing integration time to under 2 days
  • Maintained automated workflows with 98%+ reliability across millions of records

Oct 2024 - Apr 2025

Full Stack Engineer Intern

Internship
Nextzela Technologies
  • Built cross-platform applications with Flutter for responsive user interfaces
  • Launched Next.js web solutions with focus on performance and UX
  • Designed MySQL databases to support efficient querying
  • Ensured reliable application behavior across all platforms

Build With Clarity

Work With Me

I design and ship production-grade AI systems with reliable data foundations, strong delivery discipline, and measurable business outcomes.

Best Fit Projects

  • Machine Learning Systems
  • LLM Applications and Agent Workflows
  • RAG Architectures
  • Data Engineering Platforms
  • Full-Stack Projects

Availability

Available for full-time opportunities and freelance engagements, with flexibility for remote collaboration across time zones.

Let's Talk...