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Caesar Davidson

Caesar Davidson

AI Data Annotation Specialist - Multimodal Evaluation

Indonesia flagJakarta, Indonesia
$22.00/hrIntermediateAppenData Annotation TechLabelbox

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
LabelboxLabelbox
MercorMercor
RemotasksRemotasks
Scale AIScale AI
Surge AISurge AI

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
Computer Code ProgrammingComputer Code Programming
DocumentDocument
ImageImage
TextText
VideoVideo

Top Task Types

Bounding Box
Question Answering
Point Key Point
Classification

Freelancer Overview

Indonesian-English bilingual AI data annotation and evaluation specialist with hands-on experience improving world’s top LLM systems through RLHF method for model comparison, SFT-style response rewriting, rubric-based criterion grading, and UX quality evaluation. Proven in high-volume, strict guideline-driven workflows that demand strong consistency, clear written rationales, and careful handling of sensitive content (PII and safety/policy compliance). Experienced with multimodal pipelines, including text-image evaluation, image labeling, text-audio annotation/evaluation, and datasets feeding, covering dataset comparison, quality calibration, and error categorization. Collaborative and reliable in project-based teams with strong communication and QA-minded judgment on peer reviews.

IntermediateEnglishIndonesianChinese Mandarin

Labeling Experience

Advertisement Category Classification

Don T DiscloseImagePoint Key PointClassification
I signed an NDA.

I signed an NDA.

2025

Logo Classification

Don T DiscloseImageBounding Box
I signed an NDA.

I signed an NDA.

2025

Receipt Comparison

Don T DiscloseImageQuestion Answering
I signed an NDA.

I signed an NDA.

2024

Education

I

Institut Teknologi Bandung

Bachelor of Science, Physics

Bachelor of Science
2020 - 2025

Work History

M

Mythreal 3D Printing

Co-founder, CEO, CTO

Jakarta
2022 - Present
K

Kumon Institute Of Education

English Teacher

Jakarta
2018 - 2019