Dinesh Murugesan
Detail-oriented Data Annotation Specialist
About
Detail-oriented Data Annotation Specialist with 3 years of experience delivering high-quality training datasets for AI/ML models. Proven track record of maintaining 99%+ annotation accuracy across 200,000+ data points, including image segmentation, NER, and LiDAR. Expert in Label box and CVAT, with a strong ability to refine labeling guidelines and mentor junior teams to improve model precision.
Experience
Process associate –I - Tika data services
(2025-06 - 2025-12)
- Annotated 150k+ data points with 99.2% precision, directly improving model F1 scores by 15%.
- Annotated and labeled a wide range of data types, including images, videos, and point clouds, to support the training of machine learning algorithms.
- Conducted quality control checks on annotated data, ensuring precision and consistency across datasets to prevent errors and optimize model accuracy.
Data Annotator - Info G Innovative Solution
(2023-05 - 2024-12)
- Performed data pre-processing tasks, such as resizing images, standardizing text data, and converting data into formats compatible with various computer vision applications.
- Maintained clear documentation of annotated data and collaborated effectively with data scientists, machine learning engineers, and project managers to improve workflows.
- Regularly reviewed and verified the work of fellow annotators, upholding high standards and improving overall process efficiency.
Php developer - Santhila Databoot P.V.T.LTD - Erode
(2019-03 - 2021-01)
ABAP Consultant - Avensys Consulting P.V.T.LTD - Malaysia (Chennai)
(2017-12 - 2019-01)
Supervisor - Power Links Engg
(2011-08 - 2013-01)
Supervisor - Ponni Sugars Pvt Ltd and Spac Tapicona Pvt Ltd
(2011-08 - 2013-01)
Supervisor - Utility Project Service Ltd (Site L&T Pvt Ltd.)
(2013-09 - 2015-02)
Education
BE - Bachelor of Engineering - P.T. Lee CNCET Anna University, Kanchipuram (2011)
Diploma - EEE - Rajaji Institute of Technology, Salem (2007)
Secondary - 10th - GOVT High School (2004)