Christopher O.

Key Skills

Software

Appen

Clickworker

Argilla

CVAT

Label Studio

Top Subject Matter

LLM response evaluation / software engineering

linguistic auditing & writing/Artificial intelligence

RLHF refinement/UIUX design/product design

Top Data Types

Text

Image

Video

Top Task Types

RLHF

Text Generation

Segmentation

Bounding Box

Computer Programming/Coding

Prompt + Response Writing (SFT)

Transcription

Evaluation/Rating

Classification

Object Detection

Question Answering

Data Collection

Text Summarization

Function Calling

Freelancer Overview

Tier 3 Linguistic Evaluation Specialist, Atlas Capture (Remote). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose, Internal, and Proprietary Tooling. Education includes Bachelor of Science, University of Lagos (2026). AI-training focus includes data types such as Text and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

Tier 3 Linguistic Evaluation Specialist, Atlas Capture (Remote)

Don't discloseTextRLHF

Served as a Tier 3 Linguistic Evaluation Specialist performing high-fidelity labeling and quality review of LLM outputs through linguistic auditing and RLHF-oriented refinements. Focused on reducing hallucinations and improving response logic while checking semantic accuracy and grammatical tone for safety and correctness. Documented subtle linguistic edge cases and distribution shifts to improve model reliability and evaluator consistency across cases. • Audited AI-generated outputs for factual accuracy, safety, and proper grammatical tone • Applied RLHF workflows to refine model responses and reduce hallucination risk • Identified, recorded, and escalated linguistic edge cases and tone distribution shifts • Maintained evaluation consistency for high-quality LLM response labeling

2025 - Present

Linguistic & Voice Data Contributor, AI Data Operations

Text

Contributed to AI data operations by providing high-quality English and Nigerian English voice samples and supporting linguistic model training datasets. Evaluated transcription accuracy and delivered nuanced feedback on linguistic variation, regional accents, and alignment between audio and text-based linguistic standards. Collaborated on multimodal data projects to ensure consistency across audio and text representations. • Added voice samples for phonetic and linguistic model training • Assessed transcription accuracy and provided feedback on accent and variation • Supported alignment of audio data with text-based linguistic standards • Worked with multimodal datasets to maintain dataset quality and consistency

2024 - 2025

Technical Content & English Specialist, Independent Contractor

OtherTextText Generation

Worked as a technical content and English specialist producing and editing technical writing for international audiences using structured editorial and quality-control practices. Applied AP Style and syntax/semantic evaluation to ensure professional-grade clarity and logical consistency in technical documentation. Translated complex software engineering concepts into accessible English while sustaining a high quality threshold through systematic linguistic checks. • Created, edited, and proofread technical content using AP Style and editorial standards • Performed syntax analysis and semantic evaluation for clarity and logical flow • Translated complex software engineering concepts into accessible technical English • Maintained a high quality threshold using systematic linguistic quality controls

2023 - 2025

Education

Work History