Rika Melati

Key Skills

Software

Appen

Clickworker

Labelbox

Lionbridge

Remotasks

Toloka

Other

Internal/Proprietary Tooling

Scale AI

CVAT

Top Subject Matter

General Visual Content

Indonesian Multimedia Content

Medical Imaging

Top Data Types

Image

Text

Video

Document

Top Task Types

Bounding Box

Classification

Evaluation/Rating

Text Summarization

Translation/Localization

Segmentation

RLHF

Freelancer Overview

Freelance Data and Multimedia Annotation Specialist. Brings 16+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include CVAT and Other. Education includes Master of Science, Universitas Gadjah Mada (2010) and Pharmacist Professional Program, Universitas Gadjah Mada (2009). AI-training focus includes data types such as Image, Video, and Medical and labeling workflows including Bounding Box, Translation, and Localization.

Labeling Experience

Data Annotation For

Internal Proprietary ToolingImageBounding Box

Performing sourcing, annotation, labeling, and bounding box on images to support AI model training with high accuracy and consistency.

Performing sourcing, annotation, labeling, and bounding box on images to support AI model training with high accuracy and consistency.

2024 - Present

AI Response Evalutor

Scale AITextClassification

factuality annotation, case labelling, Factuality accuracy, and Quality evaluation of 2 AI responses to train LLM response

factuality annotation, case labelling, Factuality accuracy, and Quality evaluation of 2 AI responses to train LLM response

2023

Freelance Medical Image Annotator

OtherSegmentation

I performed medical image annotation by segmenting specific anatomical areas to aid clinical AI and diagnostic tools. This involved using 3D Slicer software for accurate, precise, and reproducible segmentation. My role supported the development of reliable medical AI solutions. • Labeled anatomical structures in medical images. • Used specialized tools for segmentation tasks. • Improved training data for diagnostic models. • Maintained high attention to confidentiality and ethics.

I performed medical image annotation by segmenting specific anatomical areas to aid clinical AI and diagnostic tools. This involved using 3D Slicer software for accurate, precise, and reproducible segmentation. My role supported the development of reliable medical AI solutions. • Labeled anatomical structures in medical images. • Used specialized tools for segmentation tasks. • Improved training data for diagnostic models. • Maintained high attention to confidentiality and ethics.

2022 - Present

Freelance Video Annotation and Translator

OtherVideo

I translated and annotated Indonesian video content into English, covering OST, titles, and thumbnails. My responsibilities included identifying and flagging potential policy violations based on language and context. This supported AI training and content moderation initiatives for video platforms. • Provided English subtitles and annotations. • Detected slang, metaphors, and sensitive content. • Assisted video classification and moderation systems. • Ensured compliance with policy and standards.

I translated and annotated Indonesian video content into English, covering OST, titles, and thumbnails. My responsibilities included identifying and flagging potential policy violations based on language and context. This supported AI training and content moderation initiatives for video platforms. • Provided English subtitles and annotations. • Detected slang, metaphors, and sensitive content. • Assisted video classification and moderation systems. • Ensured compliance with policy and standards.

2022 - Present

AI Trainer (Freelance)

OtherTextRLHF

I participated in long- and short-term AI model training projects as an AI Trainer. My tasks included evaluation of LLM responses, prompt labeling and creation, multi-turn prompt design, fact-checking, and reinforcement learning from human feedback (RLHF). This role strengthened language model outputs' relevance, safety, and accuracy. • Evaluated AI-generated text and rated responses. • Designed and labeled prompts for model improvement. • Conducted fact-checking on LLM answers. • Supported the RLHF pipeline for robust models.

I participated in long- and short-term AI model training projects as an AI Trainer. My tasks included evaluation of LLM responses, prompt labeling and creation, multi-turn prompt design, fact-checking, and reinforcement learning from human feedback (RLHF). This role strengthened language model outputs' relevance, safety, and accuracy. • Evaluated AI-generated text and rated responses. • Designed and labeled prompts for model improvement. • Conducted fact-checking on LLM answers. • Supported the RLHF pipeline for robust models.

2021 - Present

Education

Work History