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Bahtera Chandra Putra

Bahtera Chandra Putra

Ads Quality Rater | AI enthusiasts | Data Annotator

Indonesia flagCilegon, Indonesia
$5.00/hrIntermediateAppenLabelboxOneforma

Key Skills

Software

AppenAppen
LabelboxLabelbox
OneFormaOneForma
TelusTelus
Other

Top Subject Matter

Social Media Evaluator
Website Annotation Project
Ads Quality Rater

Top Data Types

ImageImage
TextText

Top Task Types

ClassificationClassification
Evaluation/RatingEvaluation/Rating
PolygonPolygon
Text GenerationText Generation
Translation/LocalizationTranslation/Localization

Freelancer Overview

I started working as a freelance in 2021, I have worked on several freelance platforms that employ freelance remote work. I focus more on project annotation, social media evaluator and ads assessor, AI Data Trainer, voice recorder project.

IntermediateIndonesianEnglish

Labeling Experience

OneForma

Multilingual Pilot

OneformaTextText GenerationText Summarization
Multilingual Content Quality & Model Evaluation This project involved rigorous, multi-faceted quality assurance and evaluation of large language model outputs and language content across several task types in the target language. My role required a high degree of linguistic precision, adherence to strict Style Guides, and critical analytical skills, with a core focus on maintaining the highest quality standards for training data.

Multilingual Content Quality & Model Evaluation This project involved rigorous, multi-faceted quality assurance and evaluation of large language model outputs and language content across several task types in the target language. My role required a high degree of linguistic precision, adherence to strict Style Guides, and critical analytical skills, with a core focus on maintaining the highest quality standards for training data.

2025

OCR

Internal Proprietary ToolingTextPolygon
This initial step requires drawing polygon bounding boxes around each word, transcribing the words, and specifying their language. Annotators are instructed to include punctuation marks with the nearest word or number. Words should be annotated regardless of their orientation (vertical, diagonal, curved). If a word is partially obscured, only the visible portion should be selected. For curved words, more than four points may be used to enclose the shape

This initial step requires drawing polygon bounding boxes around each word, transcribing the words, and specifying their language. Annotators are instructed to include punctuation marks with the nearest word or number. Words should be annotated regardless of their orientation (vertical, diagonal, curved). If a word is partially obscured, only the visible portion should be selected. For curved words, more than four points may be used to enclose the shape

2025 - 2025
Telus

Annotation Project

TelusImageClassification
During this assessment, I was assigned to annotate the attributes of a dress product, women tops, and sweaters

During this assessment, I was assigned to annotate the attributes of a dress product, women tops, and sweaters

2022 - 2022
Appen

RATER SOCIAL MEDIA EVALUATOR

AppenImageQuestion Answering
I was assigned to provide an assessment of the ads found on Instagram to provide an Instagram user experience when viewing an ad

I was assigned to provide an assessment of the ads found on Instagram to provide an Instagram user experience when viewing an ad

2021 - 2022

Education

S

Sultan Ageng Tirtayasa University

Diploma-1, General Studies

Diploma-1
2019 - 2019
P

P3TIK-AMC//CMA

DIPLOMA-1, Chemical Engineering

DIPLOMA-1
2018 - 2019

Work History

O

OpenTrain Ai

Multi-Turn AI Chat | Rating Task (Indonesian)

Washington
2025 - Present
R

RWS

Optical Character Recognition (OCR)

Berkshire
2025 - 2025