Dennis Maina

Key Skills

Software

Remotasks

Top Subject Matter

General AI

Text Analytics

General Computer Vision/Image Recognition

Top Data Types

Text

Image

Document

Top Task Types

Classification

Freelancer Overview

Data Annotator (Text Classification). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Remotasks. Education includes Diploma in Information Technology, Dedan Kimathi University of Technology (2023) and Bachelor of Science in Economics and Finance, Kenyatta University of Technology (2019). AI-training focus includes data types such as Text and Image and labeling workflows including Classification.

Labeling Experience

Data Annotator (Image Annotation)

RemotasksImageClassification

As a Data Annotator at Remotasks, I performed image annotation tasks for AI model development. My tasks included object tagging, image classification, and adhering to annotation standards on various image datasets. I participated in feedback and review cycles to enhance labeled dataset quality. • Tagged and classified image objects according to provided schemes. • Followed detailed annotation and labeling rules for consistency. • Reviewed and corrected mislabeled or unclear images. • Supported dataset preparation for AI image recognition training.

As a Data Annotator at Remotasks, I performed image annotation tasks for AI model development. My tasks included object tagging, image classification, and adhering to annotation standards on various image datasets. I participated in feedback and review cycles to enhance labeled dataset quality. • Tagged and classified image objects according to provided schemes. • Followed detailed annotation and labeling rules for consistency. • Reviewed and corrected mislabeled or unclear images. • Supported dataset preparation for AI image recognition training.

2023 - 2024

Data Annotator (Text Classification)

RemotasksTextClassification

As a Data Annotator at Remotasks, I worked on labeling and annotating text data for AI training purposes. My responsibilities included classifying and tagging large volumes of text according to project-specific guidelines. I maintained a strong focus on quality control and consistency throughout high-volume annotation tasks. • Labeled and categorized text data into classes such as intent, sentiment, and topics. • Conducted rigorous quality checks and corrected errors in annotated data. • Adapted quickly to new guidelines and workflows across multiple projects. • Ensured consistently accurate outputs to meet client requirements.

As a Data Annotator at Remotasks, I worked on labeling and annotating text data for AI training purposes. My responsibilities included classifying and tagging large volumes of text according to project-specific guidelines. I maintained a strong focus on quality control and consistency throughout high-volume annotation tasks. • Labeled and categorized text data into classes such as intent, sentiment, and topics. • Conducted rigorous quality checks and corrected errors in annotated data. • Adapted quickly to new guidelines and workflows across multiple projects. • Ensured consistently accurate outputs to meet client requirements.

2023 - 2024

Education

Work History