Viola Aldila

Key Skills

Software

Other

Appen

Data Annotation Tech

Micro1

Mercor

Scale AI

Clickworker

HiveMind

iMerit

Labelbox

Lionbridge

Mindrift

OneForma

SuperAnnotate

Surge AI

Toloka

Telus

Top Subject Matter

Speech Recognition

Linguistic Quality Assurance

Speech and Text AI Validation

Top Data Types

Audio

Text

Document

Top Task Types

Transcription

Segmentation

Classification

Text Generation

Evaluation/Rating

Data Collection

RLHF

Red Teaming

Text Summarization

Question Answering

Object Detection

Prompt + Response Writing (SFT)

Freelancer Overview

AI Data Contributor & Transcription Specialist, Alibaba Group (AI Project) – Aragorn Transcription. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Appen. Education includes Bachelor of Economics, University of Bangka Belitung. AI-training focus includes data types such as Audio and labeling workflows including Transcription, Evaluation, and Rating.

Labeling Experience

Senior Final Validation Specialist – Linguistic QA, Appen (CrowdGen)

AppenAudio

I served as the final validation specialist for Indonesian and Javanese linguistic datasets at Appen’s CrowdGen division. I resolved data contradictions, reviewed security-related and multilingual audio, and assessed the quality of AI-generated outputs. I applied expert QA methodologies to guarantee data reliability and semantic accuracy. • Evaluated speech and textual data for contextual and cultural appropriateness. • Performed advanced linguistic error detection and reporting across projects. • Contributed expert feedback to enhance machine-generated audio for AI models. • Maintained dataset integrity for large-scale AI training pipelines.

I served as the final validation specialist for Indonesian and Javanese linguistic datasets at Appen’s CrowdGen division. I resolved data contradictions, reviewed security-related and multilingual audio, and assessed the quality of AI-generated outputs. I applied expert QA methodologies to guarantee data reliability and semantic accuracy. • Evaluated speech and textual data for contextual and cultural appropriateness. • Performed advanced linguistic error detection and reporting across projects. • Contributed expert feedback to enhance machine-generated audio for AI models. • Maintained dataset integrity for large-scale AI training pipelines.

2023 - 2023

AI Data Contributor & Transcription Specialist, Alibaba Group (AI Project) – Aragorn Transcription

OtherAudioTranscription

I transcribed and validated multilingual audio datasets in Indonesian for AI model training projects, consistently ensuring high accuracy and linguistic quality. I evaluated speech-to-text outputs, correcting contextual, phonetic, and linguistic errors. I maintained strict quality standards for large-scale AI training pipelines and applied annotation protocols for challenging audio segments. • Processed audio content from diverse speaker profiles, accents, and varying recording conditions. • Flagged inaudible or unclear audio using proper annotation markers. • Cross-checked, edited, and aligned transcriptions with source audio for dataset consistency. • Collaborated remotely to deliver high-quality transcription output for Alibaba Group’s AI project.

I transcribed and validated multilingual audio datasets in Indonesian for AI model training projects, consistently ensuring high accuracy and linguistic quality. I evaluated speech-to-text outputs, correcting contextual, phonetic, and linguistic errors. I maintained strict quality standards for large-scale AI training pipelines and applied annotation protocols for challenging audio segments. • Processed audio content from diverse speaker profiles, accents, and varying recording conditions. • Flagged inaudible or unclear audio using proper annotation markers. • Cross-checked, edited, and aligned transcriptions with source audio for dataset consistency. • Collaborated remotely to deliver high-quality transcription output for Alibaba Group’s AI project.

2022 - 2022

Linguistic Validator & Transcription Auditor, Babel Audio

OtherAudioTranscription

I performed linguistic validation and transcription auditing of Javanese and Indonesian audio datasets for Babel Audio. I checked alignment and integrity of audio-transcription pairs and enhanced data usefulness for downstream AI functions. I applied audio annotation for glitches, overlaps, and non-speech sounds. • Detected and reported systemic transcription errors and suggested improvements. • Used standardized protocols for audio issue marking to maintain dataset quality. • Ensured project deadlines and accuracy targets in a freelance remote environment. • Supported AI dataset development for multilingual speech applications.

I performed linguistic validation and transcription auditing of Javanese and Indonesian audio datasets for Babel Audio. I checked alignment and integrity of audio-transcription pairs and enhanced data usefulness for downstream AI functions. I applied audio annotation for glitches, overlaps, and non-speech sounds. • Detected and reported systemic transcription errors and suggested improvements. • Used standardized protocols for audio issue marking to maintain dataset quality. • Ensured project deadlines and accuracy targets in a freelance remote environment. • Supported AI dataset development for multilingual speech applications.

2021 - 2021

Education

Work History