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Cosmas Nwachukwu

Cosmas Nwachukwu

Data Annotator | Python • Bash • Linux | Detail-Focused Reviewer

Nigeria flagRemote, Nigeria
$25.00/hrEntry LevelLabel StudioRoboflow

Key Skills

Software

Label StudioLabel Studio
RoboflowRoboflow

Top Subject Matter

Software Development & Code Review
Marketing & Business Communication
Business Analysis

Top Data Types

Computer Code ProgrammingComputer Code Programming
ImageImage

Top Task Types

Computer Programming/CodingComputer Programming/Coding
Evaluation/RatingEvaluation/Rating
Fine-tuningFine-tuning
Data CollectionData Collection

Freelancer Overview

While I'm new to formal AI training data contracts, I bring a strong foundation of skills that map directly to the work. As a Cloud Engineering diploma graduate from AltSchool Africa, I'm comfortable working with structured data, scripting in Bash and Python, and following precise technical specifications — exactly the kind of rigor that data labeling and model evaluation require. My background in IT Support also trained me to document issues clearly, identify subtle patterns across edge cases, and walk through complex problems step by step until the root cause is isolated. Combined with my teaching experience, where I graded large volumes of work against consistent rubrics, I'm well-practiced at applying detailed guidelines accurately and consistently across hundreds of items without losing quality. What sets me apart is the combination of analytical discipline and clear written communication. I write English at a professional level, can spot logical inconsistencies and subtle errors that others miss, and genuinely enjoy the kind of careful, methodical review work that improves model accuracy. I'm also deeply curious about how AI systems are trained — I follow the field actively and understand why high-quality, well-structured human feedback is the difference between a model that's almost right and one that's actually reliable. I'm comfortable with task instructions that change frequently, work well asynchronously, and treat every annotation as part of a dataset that thousands of users will eventually depend on.

Entry LevelEnglishIgbo

Labeling Experience

No Data Labeling experience added

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

Education

A

AltSchool Africa

Diploma in Cloud Engineering, Cloud Engineering

Diploma in Cloud Engineering
2024 - 2025
I

Imo State University

Bachelor of Science, Education and Government

Bachelor of Science
2009 - 2014

Work History

A

AltSchool Africa

Cloud Engineer Trainee

Remote
2024 - Present
S

Secondary Education Management Board

Teaching Staff

Umuahia, Abia State
2017 - 2017