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Godswill Nnachi

Godswill Nnachi

AI Data Annotator – Synesis One

Nigeria flagEnugu, Nigeria
$20.00/hrIntermediateOther

Key Skills

Software

Other

Top Subject Matter

General AI/Data
AI Model Training

Top Data Types

TextText
Computer Code ProgrammingComputer Code Programming
DocumentDocument

Top Task Types

Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Text GenerationText Generation

Freelancer Overview

AI Data Annotator – Synesis One. Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Medical Rehabilitation, University of Nigeria Nsukka (2024) and West African Senior School Certificate, Federal Govt. College Enugu (2016). AI-training focus includes data types such as Text and labeling workflows including Data Collection and Prompt + Response Writing (SFT).

IntermediateEnglishIgboFrench

Labeling Experience

AI Data Annotator – Synesis One

OtherTextData Collection
As a part-time AI Data Annotator at Synesis One, I was responsible for generating diverse datasets to train AI models. The role required staying up to date with AI developments to improve annotation quality. My annotation work contributed directly to improving AI decision-making and efficiency. • Produced varied textual datasets for AI training • Collaborated with a team to ensure labeling consistency • Focused on maintaining data accuracy and quality • Engaged in continuous learning about AI data needs

As a part-time AI Data Annotator at Synesis One, I was responsible for generating diverse datasets to train AI models. The role required staying up to date with AI developments to improve annotation quality. My annotation work contributed directly to improving AI decision-making and efficiency. • Produced varied textual datasets for AI training • Collaborated with a team to ensure labeling consistency • Focused on maintaining data accuracy and quality • Engaged in continuous learning about AI data needs

2024 - 2025

AI Trainee (AICE) – ALX

OtherTextPrompt Response Writing SFT
Completed a six-week AI training course at ALX, focusing on data analysis, prompt engineering, and model evaluation. Gained practical skills in constructing text prompts and evaluating AI model outputs. Collaborated on hands-on projects simulating real-world AI data labeling workflows. • Designed prompts for language model refinement • Evaluated and provided feedback on AI generated responses • Applied tools for data analysis and annotation • Worked on projects aligned with supervised fine-tuning techniques

Completed a six-week AI training course at ALX, focusing on data analysis, prompt engineering, and model evaluation. Gained practical skills in constructing text prompts and evaluating AI model outputs. Collaborated on hands-on projects simulating real-world AI data labeling workflows. • Designed prompts for language model refinement • Evaluated and provided feedback on AI generated responses • Applied tools for data analysis and annotation • Worked on projects aligned with supervised fine-tuning techniques

2024 - 2024

Education

U

University of Nigeria Nsukka

Bachelor of Medical Rehabilitation, Physiotherapy

Bachelor of Medical Rehabilitation
2017 - 2024
F

Federal Govt. College Enugu

West African Senior School Certificate, Science

West African Senior School Certificate
2010 - 2016

Work History

U

University of Nigeria Teaching Hospital

Intern Physiotherapist

Enugu
2025 - Present