For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
W
William K.

William K.

Data Annotator / Project Manager / Facility Manager — DATAMAKER Ghana Ltd.

Ghana flagAccra, Ghana

Key Skills

Software

Other

Top Subject Matter

AI model evaluation for LLM and general ML content quality
3D LiDAR dataset annotation for machine learning
LLM prompt engineering and supervised-style response preparation

Top Data Types

TextText
ImageImage

Top Task Types

CuboidCuboid
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
ClassificationClassification

Freelancer Overview

Data Annotator / Project Manager / Facility Manager — DATAMAKER Ghana Ltd.. Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, Ghana Communication Technology University (GCTU) and Advanced Diploma, IPMC. AI-training focus includes data types such as Text and Image and labeling workflows including Evaluation, Rating, and Cuboid.

Labeling Experience

Project / Facility Manager (with AI Evaluation Responsibilities) - DATAMAKER Ghana Ltd.

ImageImageClassificationClassification

Managed operations and team activities while contributing to dataset evaluation work for machine learning projects. Assessed AI outputs against predefined quality, relevance, and accuracy guidelines and supported prompt and output refinement. Required strong attention to detail, structured evaluation methods, and effective prompt/data understanding to maintain high-quality results. • Coordinated project execution and supported operational efficiency • Evaluated outputs using relevance and quality scoring scales • Created and refined prompts and improved response quality • Maintained high accuracy through quality assurance checks

2021 - 2024

Data Annotator / Project Manager / Facility Manager — DATAMAKER Ghana Ltd.

OtherTextTextCuboidCuboidPrompt + Response Writing (SFT)Prompt + Response Writing (SFT)

Created and refined prompts for language models to improve response quality and alignment with project guidelines. Generated, rewrote, and summarized text while preserving meaning for multilingual and content-specific datasets. Performed transcription and basic translation/localization tasks to support dataset preparation for training and evaluation.•Wrote and edited prompts to steer model behavior and improve output clarity•Generated paraphrases and summaries that matched required tone and guidelines•Performed transcription and translation for multilingual data sets•Ran data augmentation via text rewriting and related transformations to expand coverage

2021 - 2024

Education

I

IPMC

Advanced Diploma, System Engineering and Networking

Advanced Diploma
Not specified
G

Ghana Communication Technology University (GCTU)

Bachelor of Science, Information Technology

Bachelor of Science
Not specified

Work History

D

DATAMAKER Ghana Ltd.

Project / Facility Manager (with AI Evaluation Responsibilities)

Accra
2021 - 2024
A

Ablekuma North Municipal Assembly

MIS / IT Support Specialist

Accra
2020 - 2021