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A
Akan Umosen

Akan Umosen

AI Training & Data Annotation Specialist

Nigeria flagLagos, Nigeria
$18.70/hrIntermediateMindriftMicro1Mercor

Key Skills

Software

MindriftMindrift
Micro1
MercorMercor
RemotasksRemotasks
Scale AIScale AI
SuperAnnotateSuperAnnotate

Top Subject Matter

Large Language Models (LLMs)
Natural Language Processing
Software development (AI Vibe-coding)

Top Data Types

VideoVideo
ImageImage
AudioAudio

Top Task Types

Bounding BoxBounding Box
ClassificationClassification
Text GenerationText Generation
Text SummarizationText Summarization
TranscriptionTranscription
Question AnsweringQuestion Answering
Data CollectionData Collection

Freelancer Overview

AI Training & Data Annotation Specialist. Brings 6+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Undergraduate Bachelor of Science, Covenant University (2025) and Senior Secondary Certificate, Caleb International College (2020). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglish

Labeling Experience

Quality review

ImageBounding Box
Assessed bounding box annotation tasks and gave reviews based on instruction following on the aether project.

Assessed bounding box annotation tasks and gave reviews based on instruction following on the aether project.

2025 - 2026

AI Training & Data Annotation Specialist

AudioEvaluation Rating
I contributed to the development and refinement of large language models by performing high-volume data annotation and evaluation tasks across multiple platforms. My responsibilities included reviewing, labeling, and improving model outputs to ensure accuracy and coherence according to project guidelines. I utilized specialized annotation tools and adhered to detailed project requirements to drive model quality improvements. • Conducted comprehensive data annotation for language model training. • Evaluated and rated model-generated outputs for accuracy and relevance. • Ensured strict adherence to labeling protocols and quality standards. • Collaborated across teams to optimize annotation workflows.

I contributed to the development and refinement of large language models by performing high-volume data annotation and evaluation tasks across multiple platforms. My responsibilities included reviewing, labeling, and improving model outputs to ensure accuracy and coherence according to project guidelines. I utilized specialized annotation tools and adhered to detailed project requirements to drive model quality improvements. • Conducted comprehensive data annotation for language model training. • Evaluated and rated model-generated outputs for accuracy and relevance. • Ensured strict adherence to labeling protocols and quality standards. • Collaborated across teams to optimize annotation workflows.

2025 - 2026

Education

C

Covenant University

Undergraduate Bachelor of Science, Economics

Undergraduate Bachelor of Science
2021 - 2025
C

Caleb International College

Senior Secondary Certificate, General Secondary Education

Senior Secondary Certificate
2020 - 2020

Work History

T

Trilla Inc.

software development intern

remote
2026 - 2026
Z

ZST Technologies

AI Software Development Intern

Abuja
2025 - 2025