Skip to main content
Thanuka.

Expertise.

A track record of engineering complex systems and leading digital transformation at scale.

Assistant Manager & Lead Architect

Collective RCM (Pvt) Ltd

2019 – Present

Enterprise Architecture & Digital Transformation

  • Principal Architect of the Collective Intranet System: Engineered a secure, hybrid SQL/NoSQL platform (Flask, PostgreSQL, MongoDB GridFS) centralizing all enterprise workflows.
  • Implemented a high-security framework featuring 2FA, company email validation, Redis-based rate limiting, and account lock logic.
  • Designed a complex training-and-progression engine with timed assessments, automated scoring, and administrative approval gates.
  • Managed end-to-end CI/CD pipelines via GitHub Actions with deployment to Azure Web Apps.

Strategic Leadership & Operational Impact

  • Lead multi-functional teams in healthcare Revenue Cycle Management (RCM), optimizing Billing, Posting, and Denial Management workflows.
  • Architected real-time performance analytics dashboards, reducing manual audit effort by over 40% and improving KPI visibility.
  • Mentored and trained staff on technical and operational workflows, ensuring a 95% pass rate in internal certification programs.

Independent Full Stack & AI Developer

Technical Project Portfolio

Ongoing

Advanced AI Systems & RAG Innovation

  • AI Job Hunter: Architected an autonomous job application system using a LangChain-orchestrated RAG pipeline, FAISS vector search, and Playwright browser automation.
  • CodeX: Built an Architecture Intelligence Engine using Gemini 3.1 Pro and a custom static analysis GraphEngine for automatic repository mapping.
  • RevOps AI: Developed a B2B SaaS for healthcare revenue auditing using an Autonomous Agent Architecture (CEO, Eng, ML Pods) and Scikit-learn forecasting.
  • CareerForge AI 3.0: Engineered a multi-agent career OS featuring low-latency voice AI (Gemini 3.1 Live API) and real-time market grounding.
  • ReviewRadar AI: Developed an end-to-end sentiment intelligence platform processing ~7M+ reviews with ensemble ML models.

Scientific Research & Critical Systems

  • RCM Predictive Analytics: Published research achieving R² > 0.90 in healthcare payment forecasting using Random Forest and Neural Networks.
  • Disaster Management: Developed a Laravel-based flood mitigation system for Sri Lanka with integrated SMS gateways for geo-fenced mass alerting.
  • Statistical App: Built an interactive analysis tool for PCA, Inferential Statistics, and ML lifecycle management using Streamlit.

Technical Stack

Programming & Development

Python (Pandas, NumPy, Scikit-learn, TensorFlow)SQL (MySQL, PostgreSQL)Flask, REST APIsHTML, CSS, JavaScriptTypeScript / React 19 / Next.js

Machine Learning & AI

Regression, Classification, ClusteringEnsemble Learning, NLP (TF-IDF, SVD, VADER)Model Evaluation & Hyperparameter TuningLLMs, Prompt Engineering, EmbeddingsRAG & Vector Databases (FAISS/Pinecone)

AI Systems & Automation

AI System Design & Decision EnginesWorkflow & Browser Automation (Playwright)End-to-End Pipeline DevelopmentIntelligent Ranking SystemsSystem Ready for Query Integration

Data Engineering & Processing

ETL Pipelines & Data PreprocessingLarge-scale Data Handling (~7M+ records)Parallel Processing & Batch ProcessingData Pipeline Design & Feature ExtractionData Cleaning & Hygiene

Data Visualization & Analytics

Power BIMatplotlib, PlotlyDashboard DevelopmentKPI MonitoringStatistical Validation (PCA, Hypothesis Testing)

Tools & Technologies

Git, GitHubSQLAlchemy, StreamlitMicrosoft Azure / GCPDocker & KubernetesCI/CD (GitHub Actions)

AI Labs (Simulations)

Architectural simulation of localized RAGAgentic workflows & Trace telemetryPredictive Forecasting Kernels