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O
Olatubosun S.

Olatubosun S.

AI Language Trainer, Curacel

Nigeria flagLagos, Nigeria

Key Skills

Software

Don't disclose

Top Subject Matter

Nlp Domain Expertise
LLM response evaluation
prompt engineering

Top Data Types

TextText
DocumentDocument

Top Task Types

Question AnsweringQuestion Answering

Freelancer Overview

AI Language Trainer, Curacel. Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Don't disclose, N, and A. Education includes Bachelor of Arts, University of Lagos (2023) and Certificate, Coursera. AI-training focus includes data types such as Text and labeling workflows including Evaluation, Rating, and Question Answering.

Labeling Experience

AI Language Trainer, Curacel

Don't discloseTextText

Evaluate and rank Large Language Model (LLM) responses to ensure alignment with human values for helpfulness, accuracy, and safety while achieving a 98% quality assurance score. Create high-quality, linguistically complex prompts paired with gold-standard responses to train models for advanced English reasoning, summarization, and creative writing. Provide detailed linguistic feedback to reduce hallucinations and improve syntactical coherence, including identifying edge cases with machine learning engineers. • Response ranking and quality evaluation for LLM outputs • Prompt + response writing for SFT-style training data • Linguistic error and coherence feedback for model improvement • Safety-focused red teaming targeting nuanced cultural contexts

2024 - Present

English Language Educator and Curriculum Specialist, Victory gate college

TextTextQuestion AnsweringQuestion Answering

Design and deliver an English curriculum that assesses learner writing and spoken proficiency using standardized rubrics aligned to CEFR expectations. Provide actionable feedback to students to improve end-of-year examination outcomes and tailor lesson plans to diverse learning levels. While not an AI labeling platform, the role includes structured assessment and feedback workflows for language model/AI-adjacent tutoring through instructional evaluation. • Rubric-based evaluation of learner outputs (writing and speaking) • Feedback generation to address linguistic weaknesses • Curriculum-aligned assessment for CEFR-targeted goals • Mentoring and instructional delivery for improved learner performance

2024 - 2025

Education

U

University of Lagos

Bachelor of Arts, English Language and Literature

Bachelor of Arts
2018 - 2023
C

Coursera

Certificate, English Language Teaching

Certificate
Not specified

Work History

S

Self-Employed

Freelance Academic Editor & Content Writer

Lagos
2025 - Present
V

Victory Gate College

English Language Educator and Curriculum Specialist

Lagos
2024 - 2025