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W

Ww W.

Backend Engineer

China flagN/A, China

Key Skills

Software

LabelboxLabelbox

Top Subject Matter

E-commerce – Order Systems & Customer Support
Enterprise Software – APIs & Workflow Automation
Data Platforms – Data Processing & Backend Workflows

Top Data Types

TextText
ImageImage
VideoVideo

Top Task Types

ClassificationClassification
Object DetectionObject Detection
Text SummarizationText Summarization
Bounding BoxBounding Box
CuboidCuboid
Text GenerationText Generation

Freelancer Overview

Over 3 years of project-based experience in data annotation and AI data evaluation across leading platforms such as Alignerr (Labelbox ecosystem), DataAnnotation Tech, OneForma, TELUS Digital, and RWS TrainAI, with hands-on work in high-value projects including `SIA Evaluate AI`, `Butterfly AI Chatbot Evaluations`, `Nepal DC Project`, `Community Alignment`, and `Vera-VAD v2`, supporting LLMs, speech models, and conversational AI through text classification and annotation, audio transcription, speech segmentation, VAD labeling, chatbot response evaluation, factuality and tone review, instruction-following assessment, multi-turn alignment, audio QC, and long-audio captioning. These projects demonstrate strong expertise in high-quality human annotation, rubric-based evaluation, consistency validation, quality control, and training data optimization for multilingual AI systems.

Education

N

N/A

Bachelor of Science, Big Data Related Studies

Bachelor of Science
2021 - 2025

Work History

H

Harro Ride

Backend Engineer

N/A
2025 - Present