Chizaram Enoch

Key Skills

Software

Doccano

Label Studio

Top Subject Matter

Speech and Text Data for NLP/AI

Speech Transcription Quality Assurance

NLP Intent Classification

Top Data Types

Audio

Text

Video

Document

Top Task Types

Transcription

Classification

Freelancer Overview

Freelance AI Data Annotation Specialist (Remote). Brings 10+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Doccano and Label Studio. Education includes Bachelor of Engineering, Federal University of Technology, Owerri (2023). AI-training focus includes data types such as Audio and Text and labeling workflows including Transcription and Classification.

Labeling Experience

Freelance AI Data Annotation Specialist (Remote)

DoccanoAudioTranscription

Annotated and transcribed audio and text datasets for natural language processing and AI model training. Performed transcription and labeling using detailed annotation guidelines while ensuring accuracy and consistency. Delivered high-quality, production-ready data by reviewing datasets, identifying errors, and correcting inconsistencies. • Conducted rigorous quality control and validation of labeled speech data • Adhered strictly to deadlines in a fully remote work environment • Utilized annotation tools such as Doccano and Label Studio • Processed large annotation volumes for NLP datasets

Annotated and transcribed audio and text datasets for natural language processing and AI model training. Performed transcription and labeling using detailed annotation guidelines while ensuring accuracy and consistency. Delivered high-quality, production-ready data by reviewing datasets, identifying errors, and correcting inconsistencies. • Conducted rigorous quality control and validation of labeled speech data • Adhered strictly to deadlines in a fully remote work environment • Utilized annotation tools such as Doccano and Label Studio • Processed large annotation volumes for NLP datasets

2023 - Present

Text Annotation for NLP Training

DoccanoTextClassification

Labeled text datasets for intent classification as part of NLP training pipelines. Improved dataset consistency through comprehensive and structured validation processes. Focused on high-quality, production-ready output meeting guideline standards. • Enhanced NLP model training with clean labeled data • Executed structured annotation using specialized tools • Maintained accuracy across validated datasets • Ensured all labeled outputs matched project requirements

Labeled text datasets for intent classification as part of NLP training pipelines. Improved dataset consistency through comprehensive and structured validation processes. Focused on high-quality, production-ready output meeting guideline standards. • Enhanced NLP model training with clean labeled data • Executed structured annotation using specialized tools • Maintained accuracy across validated datasets • Ensured all labeled outputs matched project requirements

2023 - 2023

Speech Transcription & Quality Assurance Project

DoccanoAudioTranscription

Transcribed and validated audio datasets to ensure clarity and labeling accuracy. Focused on proper punctuation, speaker identification, and precise timing for high-quality datasets. Carried out speech transcription quality assurance as part of specialized projects. • Applied structured validation techniques for transcription QA • Guaranteed dataset consistency for AI modeling tasks • Utilized Doccano and Label Studio in project work • Addressed QA feedback to further improve output quality

Transcribed and validated audio datasets to ensure clarity and labeling accuracy. Focused on proper punctuation, speaker identification, and precise timing for high-quality datasets. Carried out speech transcription quality assurance as part of specialized projects. • Applied structured validation techniques for transcription QA • Guaranteed dataset consistency for AI modeling tasks • Utilized Doccano and Label Studio in project work • Addressed QA feedback to further improve output quality

2023 - 2023

Data Annotation & Transcription Assistant (Remote)

DoccanoAudioTranscription

Transcribed audio recordings into structured text to support NLP model development. Labeled text data for tasks including intent classification and entity recognition. Maintained compliance with annotation and formatting guidelines to ensure data quality. • Detected and corrected linguistic and formatting inconsistencies • Managed annotation projects on online freelance platforms • Engaged in both speech transcription and text labeling for AI • Focused on high-accuracy data preparation for AI pipelines

Transcribed audio recordings into structured text to support NLP model development. Labeled text data for tasks including intent classification and entity recognition. Maintained compliance with annotation and formatting guidelines to ensure data quality. • Detected and corrected linguistic and formatting inconsistencies • Managed annotation projects on online freelance platforms • Engaged in both speech transcription and text labeling for AI • Focused on high-accuracy data preparation for AI pipelines

2022 - 2023

Education

Work History