Madushan Jaya Sri

ML Engineer (LLM Focus) | Data Scientist | AI Specialist

Experienced AI/ML professional with proven expertise in bringing scalable solutions to life from scoping to deployment. Committed to delivering top-tier Cloud ML solutions using DevOps practices and innovative AI technologies.

About Me

Madushan Jaya Sri

Senior AI/ML Expert

Mission-driven professional with autonomy, accountability, and technical brilliance in crafting compelling AI solutions. I specialize in Large Language Models, advanced NLP techniques, and end-to-end ML deployment strategies.

Currently working as an ML Engineer - LLM Specialist at Enfection (Pvt) Ltd, where I develop and deploy cutting-edge LLM-based solutions with focus on scalability and performance optimization.

Work Experience

July 2024 - Present

ML Engineer - LLM Specialist

Enfection (Pvt) Ltd, Sri Jayawardhanapura Kotte
  • Developed and deployed LLM-based solutions with end-to-end implementation using advanced NLP techniques, transformer architectures, RAG, and LangChain with scalability and top-tier performance
  • Optimized LLM performance through fine-tuning, prompt engineering, and statistical modeling with hands-on technical prowess and autonomy
  • Integrated cutting-edge APIs (GPT, Gemini, Claude) using MLOps deployment practices with technical brilliance and infrastructure management
  • Collaborated with cross-functional teams including software engineers, solution architects, and product managers as AI/ML expert
  • Guided technology trends, shaped roadmap, and delivered compelling discoveries for stakeholders with mastery in framing problems and proofs of concept
July 2023 - July 2024

Executive – Data Analyst

Enfection (Pvt) Ltd, Sri Jayawardhanapura Kotte
  • Generated internal reports and actionable insights for clients including MAS, Keells, Malaysian Coffee brands, and Disney Singapore to inform marketing strategies
  • Conducted marketing and content audit analysis using Python programming with technical proficiency and LLMs
  • Developed machine learning models using Python libraries (scikit-learn, TensorFlow, Keras) with scalability considerations and advanced statistical modeling
  • Implemented unsupervised ML techniques (clustering) for audience segmentation with pipeline orchestration and familiarity with modern tools
Nov 2022 - July 2023

Data Scientist – Intern

Hatton National Bank PLC, Colombo
  • Developed time series forecasting models using LSTM and GRU architecture for foreign currency inflow and outflow predictions with comprehensive testing and scalability focus
  • Created survival analysis model for NBO (Next Best Offer) for the internal analytical platform, achieving 80% tested accuracy and approved for system integration by senior data engineers
  • Performed exploratory data analysis identifying high-value AI/ML opportunities with compelling discoveries and technical proficiency
  • Demonstrated expertise in framing problems, experimenting with proofs of concept, and delivering tailored solutions for stakeholders

Featured Projects

Momentro AI Marketing Platform

Momentro - AI-Powered Marketing SaaS

Production • AI Platform

Comprehensive marketing analytics platform with 5 AI-driven modules: Audience Insights, Influencer Analytics, Content Analysis, Intent Tracking, and Competitor Intelligence. Developed proprietary Brand Authority Score (BAS) and Brand Personality Score (BPS) algorithms.

Python MongoDB AWS S3 OpenAI API MLOps
SQL Agent with Visualization

SQL Agent with Interactive Visualization

Production • GPT-4 Powered

GPT-4-powered SQL assistant using generative AI frameworks with senior-level expertise. Delivered integrated data science projects with compelling results for diverse stakeholders.

Python LangChain GPT-4 SQL
Document Analysis Chatbot

LLM-Based Document Analysis Chatbot

Production • RAG Architecture

Engineered RAG architecture for document analysis with scalable cloud deployment. Implemented PDF processing with performance optimization using advanced statistical modeling.

Python LLMs RAG Docker MLOps
Multi-Language Sentiment Analysis

Multi-Language Sentiment Analysis System

NLP • Full Lifecycle

Built comprehensive sentiment analysis tool with full lifecycle management and senior-level expertise in NLP techniques. Integrated CI/CD pipeline using DevOps practices and MLOps workflows.

Python NLP Docker CI/CD
Next Best Offer Model

Next Best Offer Loan Prediction Model

Banking • 80% Accuracy

Developed survival analysis model achieving 80% accuracy with advanced statistical modeling and performance optimization. Approved for system integration by senior data engineers at Hatton National Bank.

Python Oracle MLOps Statistical Modeling
Currency Flow Forecasting

Currency Flow Forecasting

Time Series • Deep Learning

Built predictive models using LSTM and GRU architecture for foreign currency inflow and outflow predictions with scalable deployment considerations.

TensorFlow Keras Python LSTM/GRU

Technical Skills

🤖 AI & Machine Learning

  • Large Language Models (OpenAI GPT, Anthropic Claude, Google Gemini)
  • TensorFlow, Keras, PyTorch, scikit-learn
  • LangChain, RAG Architecture, Semantic Kernel
  • Prompt Engineering & Fine-tuning
  • Deep Learning (CNN, RNN, LSTM, GRU)
  • NLP: NLTK, spaCy, Transformers, Hugging Face

💻 Programming & Development

  • Python (Expert Level)
  • R, Java, SQL
  • Flask, Django, Streamlit
  • Git Version Control
  • API Integration & Development
  • Results-driven programming approach

☁️ Cloud & Infrastructure

  • AWS (EC2, S3)
  • Docker, Kubernetes
  • MySQL, PostgreSQL, MongoDB
  • Oracle Database, NoSQL
  • Scalable Cloud Infrastructure
  • Performance Optimization

🔧 MLOps & DevOps

  • MLflow, Weights & Biases
  • Apache Airflow
  • CI/CD Pipelines
  • Model Monitoring & Deployment
  • GitHub Actions
  • Pipeline Orchestration

📊 Data Science & Analytics

  • Statistical Analysis & Modeling
  • Time Series Forecasting
  • Classification, Clustering
  • Survival Analysis
  • Exploratory Data Analysis
  • Advanced Statistical Modeling

📈 Visualization & BI

  • Tableau, Power BI
  • Matplotlib, Seaborn, Plotly
  • Interactive Dashboards
  • Statistical Reporting
  • Data Visualization Best Practices
  • Business Intelligence Solutions

Education

B.Sc. (HONS) IN APPLIED STATISTICS

University of Colombo

2019 - 2023

Second Class (Upper Division)

Focus: Data Science, Machine Learning, NLP, Statistical Modeling, Advanced Statistical Analysis

Overall GPA: 3.68