Musungu S.

Key Skills

Software

Labelbox

CVAT

Other

Top Subject Matter

Natural Language Processing

Computer Vision

General AI

Top Data Types

Text

Image

Top Task Types

Classification

Bounding Box

Freelancer Overview

Data Annotator / Data Labeling Specialist. Brings 1+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Labelbox, CVAT, and Other. Education includes Bachelor of Science, University of Nairobi (2023). AI-training focus includes data types such as Text and Image and labeling workflows including Classification and Bounding Box.

Labeling Experience

Data Annotator / Data Labeling Specialist

CVATImageBounding Box

At InnovateAI Solutions, I performed bounding box annotations and object detection on large image datasets. I utilized annotation tools like CVAT and Labelbox to enhance AI computer vision models. Careful quality assurance reviews were conducted to ensure precision and dataset reliability. • Used computer vision tools to annotate thousands of images for object recognition. • Followed strict annotation and quality guidelines to maximize model performance. • Maintained productivity targets while performing accurate image labeling. • Worked within tight deadlines to deliver annotated datasets.

2023 - 2023

Data Annotator / Data Labeling Specialist

LabelboxTextClassification

As a Data Annotator/Data Labeling Specialist at InnovateAI Solutions, I labeled and classified large text datasets for NLP projects. My work involved detailed annotation, ensuring accuracy and consistency per project standards. I collaborated with project managers and used annotation tools to meet client requirements and deadlines. • Conducted text classification, tagging, and categorization for NLP model training. • Ensured data accuracy by following comprehensive annotation guidelines and performing quality checks. • Used Labelbox and CVAT to annotate and manage datasets for various AI applications. • Completed projects on time while maintaining productivity and high quality standards.

2023 - 2023

Academic Project: Sentiment Analysis of Customer Reviews

OtherTextClassification

For my academic project at the University of Nairobi, I labeled and classified customer review texts as part of a sentiment analysis model. I was responsible for preparing and annotating the dataset before training the model. The project involved consistent application of sentiment categories and evaluation metrics. • Labeled text reviews into positive, negative, and neutral sentiments using Python/NLTK. • Cleaned, tokenized, and organized the dataset for machine learning purposes. • Implemented classification logic and ensured accuracy in ground truth labels. • Enhanced model performance through precise annotation and evaluation.

2022 - 2023

Freelance Data Annotator

OtherImageBounding Box

As a Freelance Data Annotator, I performed image annotation using bounding boxes for international clients. My contribution supported computer vision and e-commerce projects requiring object localization. I ensured annotated data was delivered accurately and on time. • Applied bounding box techniques on images to improve AI object detection accuracy. • Handled several short-term projects requiring prompt delivery. • Collaborated remotely with clients to meet project needs. • Maintained strict dataset confidentiality and data security practices.

2022 - 2023

Freelance Data Annotator

OtherTextClassification

As a Freelance Data Annotator, I provided labeling services to international clients through Upwork and Fiverr. My work focused on text categorization and classification tasks to support various AI projects. I delivered annotated data within deadlines while adhering to client confidentiality agreements. • Labeled and categorized diverse text data for machine learning model training. • Managed multiple projects independently across e-commerce and technology sectors. • Maintained privacy and responsibility in handling sensitive datasets. • Adapted to various annotation requirements per client specification.

2022 - 2023

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Education

Work History