EXPLORE

AI (Artificial Intelligence) HW/SW Data Mining Data Science Machine Learning (ML) Python
Profile cover photo
User Avatar

Sagara S.

@sagarasns

0.0
0

0.0

0.0

0%

AI Integration Architect

$50 USD / Hour

Flag of

Australia (9:44 AM)

Joined on August 29, 2007

$50 USD / Hour

I’m a results-driven Lead Data Scientist and Machine Learning Engineer with over 8 years of hands-on experience delivering intelligent, data-powered solutions. I specialize in transforming complex datasets into clear, actionable strategies that fuel business growth and operational efficiency. With deep expertise in chatbot development and conversational AI, I help organizations boost customer engagement, automate workflows, and reduce support overhead through smart, scalable solutions. My skill set spans the full machine learning lifecycle—from data preparation and model development to deployment and optimization. I take pride in leading projects from concept to execution, ensuring clear communication, technical excellence, and on-time delivery. Passionate about staying ahead in this fast-moving field, I actively embrace new tools and techniques to bring the latest innovations in Data Science and ML into every solution I design. Let’s build something intelligent together.

Reviews
0 Reviews

No reviews to see here!

Experience

Lead Data Scientist

Mar, 2021 - Mar, 2024

3 years

CIRCLES.LIFE (PVT) LTD.

Mar, 2021 - Mar, 2024

3 years

- Chatbot reduced call center contacts by 80% (saved $2.5M annually). - Custom document Q&A system cut admin costs by 25%. - LLMs boosted chatbot satisfaction by 50%. - Churn prediction model (95% accuracy) reduced churn by 10% (increased revenue by $1.2M annually). - Data analysis uncovered savings of $3.8M through optimized resource allocation. - Deployed ML models in Docker (30% faster deployment).

Mar, 2021 - Mar, 2024

3 years

Senior Data Scientist

Jun, 2017 - Feb, 2021

3 years, 8 months

MOBITEL (PVT) LTD.

Jun, 2017 - Feb, 2021

3 years, 8 months

Following projects are being involved: – Virtual assistant development for postpaid & prepaid self‑care services – Conducted customer sentiment analysis based on various data sources (virtual assistant, customer complaints, articles) – Development of postpaid and prepaid customer churn prediction models. – Creation of postpaid and prepaid customer segmentation and analytics models. – Designed new package recommendation models for postpaid customers. – Developed fraud detection models

Jun, 2017 - Feb, 2021

3 years, 8 months

Education

Nagaoka University of Technology

2012 - 2015

3 years

DOCTOR OF ENGINEERING

Flag of

Japan

2012 - 2015

3 years

Nagaoka University of Technology

2010 - 2012

2 years

MASTER OF ENGINEERING

Flag of

Japan

2010 - 2012

2 years

Sabaragamuwa University of Sri Lanka

2005 - 2009

4 years

B.Sc.(Applied Sciences) IN COMPUTER SCIENCE AND TECHNOLOGY

Flag of

Sri Lanka

2005 - 2009

4 years

Verifications

Registered Users

Total Jobs Posted

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)