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Nirmal Vignu

Nirmal Vignu

AI Engineer/ Data Annotator - Computer Vision, Gen AI

India flagBengaluru, India
$12.00/hrIntermediateAws SagemakerDataloopLabelimg

Key Skills

Software

AWS SageMakerAWS SageMaker
DataloopDataloop
LabelImgLabelImg
Label StudioLabel Studio
LabelboxLabelbox
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)
RoboflowRoboflow

Top Subject Matter

Healthcare - Medical Records & Patient Data
Retail
E-commerce - Product Categorization & Customer Support

Top Data Types

ImageImage
TextText
DocumentDocument

Top Task Types

Bounding BoxBounding Box
PolygonPolygon
SegmentationSegmentation
ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification
Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
Fine-tuningFine-tuning
Computer Programming/CodingComputer Programming/Coding
Function CallingFunction Calling
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Freelancer Overview

I have 3+ years of experience in AI/ML with strong expertise in data labeling and training data preparation, using tools like LabelImg, Dataloop, and AWS SageMaker Ground Truth to create high-quality annotated datasets. I have worked on computer vision and NLP projects, handling preprocessing, ground truth validation, and improving dataset quality to enhance model performance. Additionally, I contribute to annotation strategies, prompt design, and re-annotation workflows, ensuring scalable and accurate training data for real-world AI and GenAI applications.

IntermediateEnglishTeluguHindi

Labeling Experience

No Data Labeling experience added

Nirmal V. hasn’t added any AI Training or Data Labeling experience to their OpenTrain profile yet.

Education

S

Srkr Engineering College

Bachelor of Technology, Information Technology

Bachelor of Technology
2018 - 2022

Work History

T

Tiger Analytics

Senior AI Engineer

Bengaluru
2022 - Present