Adachukwu O.

Key Skills

Software

Other

OneForma

V7 Labs

Roboflow

SuperAnnotate

Encord

Don't disclose

Top Subject Matter

Healthcare/operations records (structured/unstructured datasets)

Non-Profit / NGO - AI Language Data Annotator

Language Technology (NLP) - AI Transcription & Audio Data Annotator

Top Data Types

Text

Image

Audio

Document

Top Task Types

Data Collection

Classification

Computer Programming/Coding

Prompt + Response Writing (SFT)

Text Generation

Text Summarization

Transcription

Fine-tuning

Entity (NER) Classification

Freelancer Overview

AI Transcription & Audio Data Annotator — Intron Health (Project-Based Contract). Brings 8+ years of professional experience across legal operations, contract review, compliance, and structured analysis. Core strengths include Don't disclose, N, and A. Education includes Higher National Diploma, N/A (2020). AI-training focus includes data types such as Audio, Text, and Medical and labeling workflows including Transcription, Translation, and Localization.

Labeling Experience

AI Transcription & Audio Data Annotator — Intron Health (Project-Based Contract)

Don't discloseAudioTranscription

Contributed to building a clinical speech dataset by recording, transcribing, and validating audio intended to train speech recognition models. Performed transcription correction against accuracy guidelines and ensured outputs met defined linguistic and medical integrity standards before ingestion. Followed confidentiality protocols for sensitive clinical audio while applying established healthcare data standards. • Audio transcription and transcription error correction • Audio clip validation and quality assurance review • Peer-contributed data review, inconsistency flagging, and remediation • Compliance with labeling guidelines and clinical confidentiality requirements

2025 - Present

Data Operations Analyst — TricodePro (Software Development)

TextClassification

Maintains structured datasets across cross-functional teams and performs first-pass QA on incoming records prior to reporting pipelines. Builds workflow tracking systems using Notion and Google Sheets to improve visibility and reduce turnaround gaps for data operations. Coordinates data collection across contributors in multiple time zones with minimal supervision. • First-pass QA and consistency checks on structured records • Building annotation/workflow tracking infrastructure (Notion/Sheets) • Coordinating multi-time-zone data collection using shared documentation • Ensuring dataset readiness for downstream pipelines

2024 - Present

Linguistic Data Annotator & Translator — Lanfrica

TextEntity (NER) Classification

Annotated and classified linguistic data for AI and academic research use, reviewing peer contributions for consistency and applying quality standards. Supported AI training workflows by ranking, editing, and validating text outputs aligned with RLHF-style feedback operations. Translated and localized academic content to improve accessibility for African language communities. • Linguistic data annotation and classification • RLHF-style text ranking/editing/validation quality tasks • Peer review for consistency and submission quality assurance • Translation and cultural localization of domain-specific terminology

2024 - 2024

Data Entry Administrator & QA Reviewer — Nnamdi Azikiwe University Teaching Hospital (NAUTH)

Classification

Performed data entry and QA review for large volumes of patient records within digital hospital systems. Conducted structured daily validation cycles to catch missing fields, formatting errors, and logical inconsistencies that mirror professional labeling review loops. Resolved ambiguous or incomplete records through collaboration with clinical staff and determined when issues required escalation versus straightforward correction. • High-volume patient record data entry (structured QA) • Validation checks for completeness, formatting, and logical consistency • Error resolution for ambiguous/incomplete records with clinical input • Designed Excel automation to reduce manual reporting time

2023 - 2024

AI Language Data Annotator — NaijaVoices Project

Text

Participated in an AI dataset creation initiative focused on Nigerian language varieties by translating, proofreading, and evaluating AI-generated text for grammatical accuracy and cultural alignment. Recorded and annotated voice data to support speech recognition training, working through multiple annotation rounds with quality targets and batch deadlines. Collaborated with project managers and linguists to meet labeling requirements and delivery schedules. • Text evaluation, proofreading, and linguistic/cultural quality checks • Translation/localization support for African language patterns • Voice data recording and annotation for speech model training • Batch delivery and multi-round annotation QA support

2023 - 2024

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Education

Work History