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Thanuka.

Expertise.

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

Data Scientist

Central Bank of Sri Lanka

Aug 2026 – Present

Assistant Manager - Operations

Collective RCM (Pvt) Ltd

2019 – Aug 2026

Enterprise Architecture & Digital Transformation

  • Principal Architect of TrainIQ: Engineered a secure, multi-tenant SQL/NoSQL learning platform (Flask, PostgreSQL, MongoDB GridFS) centralizing training, exams, and 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

  • Led 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.

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