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Caleb Asamoah

Caleb Asamoah

Senior AI Trainer | Multimodal Data Annotation & LLM Evaluation Specialist

Ghana flagAccra, Ghana
$20.00/hrExpertAppenArgillaAxiom AI

Key Skills

Software

AppenAppen
ArgillaArgilla
Axiom AI
ClickworkerClickworker
CrowdSourceCrowdSource
Data Annotation TechData Annotation Tech
DataloopDataloop
DatumboxDatumbox
Deep SystemsDeep Systems
LionbridgeLionbridge
MercorMercor
Mighty AIMighty AI
OneFormaOneForma
Scale AIScale AI
SuperAnnotateSuperAnnotate
Surge AISurge AI
TolokaToloka
TelusTelus

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
Computer Code ProgrammingComputer Code Programming
DocumentDocument

Top Task Types

Audio Recording
Computer Programming Coding
Data Collection
Evaluation Rating
Fine Tuning

Freelancer Overview

Senior AI Trainer and Multimodal Data Specialist with over five years of hands-on professional experience supporting the training, evaluation, and alignment of large-scale AI and LLM systems. Extensive background in high-precision image, video, audio, and text annotation, with strong expertise in computer vision labeling, frame-level video annotation, narrative and dialogue data training, and multimodal dataset alignment. Known for strict guideline adherence, first-pass QA accuracy, and consistent delivery on complex, high-priority AI projects. Experienced in evaluating model outputs, identifying edge cases, and providing structured feedback to improve AI reliability, realism, and performance. Brings a human-centered approach to AI training, combining technical rigor with narrative understanding, behavioral insight, and quality assurance discipline. Comfortable working independently in fully remote environments while collaborating effectively with QA, ML, and product teams to deliver high-impact AI training data at scale.

ExpertFrenchEnglishSpanish

Labeling Experience

No Data Labeling experience added

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

Education

D

DeepLearning.AI (Coursera)

Certificate, AI Data Annotation and NLP Fundamentals

Certificate
2021 - 2021
U

University of Ghana

Bachelor's Degree, Computer Science and Software Development

Bachelor's Degree
2019 - 2019

Work History

A

Aurora Interactive

Senior AI Trainer & Game Dialogue Evaluator

Queensland
2024 - 2025
A

Appen

Senior AI Trainer

NY
2024 - 2025