Koli O.

Key Skills

Software

Label Studio

Top Subject Matter

Software development

Supervised Learning

Image Annotation

Top Data Types

Image

Text

Computer Code Programming

Top Task Types

Object Detection

Segmentation

Bounding Box

Classification

Entity (NER) Classification

RLHF

Computer Programming/Coding

Polygon

Freelancer Overview

AI Data Annotator at Datalens Africa (computer vision annotation across images, text, audio, and video). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Don't disclose. Education includes Bachelor of Science, University of Calabar (2026) and Advanced Diploma, Aptech Computer Education (2025). AI-training focus includes data types such as Image and Text and labeling workflows including Bounding Box, Evaluation, and Rating.

Labeling Experience

AI Data Annotator at Datalens Africa

OtherImageObject Detection

Structured and labeled raw, complex datasets for supervised learning pipelines across multiple AI data formats, including image data. Executed high-precision computer vision annotations using bounding boxes to support object detection tasks. Ensured pixel-level accuracy for labeled shapes using segmentation approaches as required by the dataset guidelines. • Applied bounding boxes for object detection annotations. • Performed polygon segmentation for pixel-level shape accuracy. • Used spatial localization methodologies for region labeling. • Supported consistent dataset labeling quality for supervised learning readiness.

2026 - 2026

Human-in-the-loops specialist at YuppAI

Don't discloseTextRLHF

Contributed to AI/ML-adjacent research writing by producing structured academic documentation based on evaluating and synthesizing information. Developed clear, structured written outputs that support research methodology and system design communication. Supported quality expectations typical of research deliverables through careful drafting and review. • Wrote thesis sections including literature review and methodology. • Synthesized findings into structured academic writing. • Ensured clarity and professionalism in written communication. • Followed technical course and research task expectations.

2025 - 2026

Education

Work History