Syed I.
AI Data Annotator & QA Specialist | C2 English | Native Bengali
Need annotation done right the first time with zero quality issues? That's exactly what I deliver. I'm a Data Annotation Specialist with hands-on experience in audio/speech, image/video, and sentiment & intent labeling plus a Quality Assurance background that means I don't just label data, I verify it meets production-ready standards. I hold a C2 (Proficient) level in English, making me especially effective on English-language NLP, transcription, and sentiment projects where linguistic nuance directly impacts model accuracy. My 100% Job Success Score on Upwork reflects the consistency and reliability clients come back for. What sets me apart from other annotators: ✅ QA-Trained Eye — I've worked as a Quality Analyst on annotation projects, reviewing labeled datasets for consistency, guideline compliance, and edge-case errors before they reach your model ✅ Project Handling Experience — I've managed annotation workflows end-to-end, not just labeled tasks — so I understand timelines, batching, and delivery pipelines from a lead perspective ✅ C2 English Proficiency — Ideal for transcription, audio labeling, sentiment tagging, intent classification, and any task where English accuracy is non-negotiable ✅ 100% Job Success Score — Every client. Every project. Delivered right. ✅ Platform Fluency — Labelbox, Scale AI / Appen, Excel & Google Sheets Annotation types I cover: Audio & Speech — Transcription, speaker diarization, noise/silence tagging, ASR dataset labeling Image & Video — Bounding boxes, polygon segmentation, object classification, frame labeling Sentiment & Intent — Emotion tagging, intent classification, NLP dataset preparation, chatbot training data My promise to you: Clean data. Met deadlines. Clear communication. And a QA mindset that catches problems before they cost you time and money. 📩 Tell me about your dataset — I'll tell you exactly how I can help.
Earnings and projects
Last 6 months ÷ 6
Read daily since Oct 17, under 30 days
Billed in all: $1,064$1.1k
$53 in the last 6 months
Across 14 contracts
Earnings, last 30 days
Tracked from Oct 17, 2026.
Skill rankings: Top 34% in Front-End Development
Ranked by MRR among everyone on Upwork with the skill.
- #8Speech Emotion Recognition15 freelancers · 🇧🇩 #1Top 53%🇧🇩#1 of 1
- #41Sentiment Analysis119 freelancers · 🇧🇩 #2Top 34%🇧🇩#2 of 7
- #51Automatic Speech Recognition147 freelancers · 🇧🇩 #1Top 35%🇧🇩#1 of 2
- #57Verbatim Transcription102 freelancers · 🇧🇩 #1Top 56%🇧🇩#1 of 1
- #124Data Quality Assessment259 freelancers · 🇧🇩 #3Top 48%🇧🇩#3 of 4
- #176Transcription Timestamping424 freelancers · 🇧🇩 #4Top 42%🇧🇩#4 of 7
- #351Image Annotation592 freelancers · 🇧🇩 #19Top 59%🇧🇩#19 of 28
- #577Data Labeling1,093 freelancers · 🇧🇩 #30Top 53%🇧🇩#30 of 43