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V
Viraj Sameera

Viraj Sameera

AI Data Annotator

Sri Lanka flagColombo, Sri Lanka
$15.00/hrExpertRoboflowOpencv AI Kit OakLabel Studio

Key Skills

Software

RoboflowRoboflow
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)
Label StudioLabel Studio
LabelboxLabelbox
Img Lab
CVATCVAT
ClickworkerClickworker

Top Subject Matter

Healthcare – Medical Records & Patient Data
Education – Academic Content & Digital Learning
Technology – Software Engineering & AI Governance

Top Data Types

TextText
ImageImage
Computer Code ProgrammingComputer Code Programming

Top Task Types

PolygonPolygon
Data CollectionData Collection
Text SummarizationText Summarization
Object DetectionObject Detection
PolylinePolyline
ClassificationClassification

Freelancer Overview

I am an experienced Lecturer and Senior Software Engineer with over three years of industrial expertise and a strong academic foundation in Computer Science and Artificial Intelligence. My background includes conducting research on Voice Frequency-Based Emotion Classification, where I analyzed and categorized auditory data to train machine learning models, as well as developing an AI-based drug recommendation system. These projects required rigorous data curation, precise annotation, and an understanding of model transparency—skills I now pass on to students while lecturing on Natural Language Processing (NLP) and Artificial Intelligence. What sets me apart is the unique combination of technical development skills and academic oversight. As a member of the KDU AI Governance Board, I am deeply familiar with the standards of accuracy and ethics required for high-quality training data. My proficiency with frameworks like TensorFlow, PyTorch, and YOLO, paired with my experience supervising over 20 research projects, ensures that I can handle complex data labeling tasks with the analytical precision of a researcher and the technical efficiency of a senior engineer.

ExpertEnglishSinhaleseTamil

Labeling Experience

AI-Based Drug Recommendation and Clinical Data Classification

ImageClassification
Developed an AI-driven system for pharmaceutical recommendations as part of an MSc in IT Management. The project involved the systematic classification of clinical data and drug interactions to ensure high-precision model outputs. I was responsible for labeling datasets to distinguish between therapeutic effects and contraindications, ensuring the model could safely suggest medications based on specific patient symptoms and medical histories

Developed an AI-driven system for pharmaceutical recommendations as part of an MSc in IT Management. The project involved the systematic classification of clinical data and drug interactions to ensure high-precision model outputs. I was responsible for labeling datasets to distinguish between therapeutic effects and contraindications, ensuring the model could safely suggest medications based on specific patient symptoms and medical histories

2025 - 2025

Education

K

Kalaniya University

Master of Science, Computer Science

Master of Science
2026 - 2026
S

Staffordshire University

Master of Science, Information Technology Management

Master of Science
2023 - 2026

Work History

U

University of Vocational Technology

Visiting Lecturer

Colombo
2025 - Present
G

General Sir John Kotelawala Defence University

University Program Coordinator

Colombo
2024 - Present