Johnson W.

Key Skills

Software

Other

Labelbox

Top Subject Matter

Programming and algorithm challenges (Python, JavaScript, Bash)

Mathematics and logic (calculus, linear algebra, statistics, reasoning)

Autonomous driving and chat systems (CV/NLP)

Top Data Types

Text

Image

Top Task Types

Prompt + Response Writing (SFT)

Question Answering

Freelancer Overview

CodeEval AI Prompt Contributor (Freelance, Remote). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other and Labelbox. Education includes Bachelor of Science, Egerton University (2022) and Certificate, Coursera. AI-training focus includes data types such as Computer Code, Programming, and Text and labeling workflows including Prompt + Response Writing (SFT), Question Answering, and Evaluation.

Labeling Experience

AI Prompt Contributor (Coding) - CodeEval AI

Labelbox

Contributed as an AI prompt specialist by creating and evaluating high-quality code prompts and completions. Ensured model responses were correct, readable, and robust across edge cases and constraints. Applied Python, JavaScript, and Bash scripting skills while writing and validating unit tests for complex algorithms. • Created 1000+ code prompts and completions across Python, JavaScript, and Bash • Reviewed model outputs for correctness, clarity, and edge case handling • Wrote unit tests and alternative solution approaches for algorithmic challenges • Collaborated with annotation stakeholders to maintain task consistency

2023 - Present

CodeEval AI Prompt Contributor (Freelance, Remote)

OtherPrompt + Response Writing (SFT)

Created and evaluated coding prompts and completions for Python, JavaScript, and Bash to support model training and assessment. Reviewed AI model outputs for correctness, readability, and edge-case handling, then applied structured feedback to improve responses. Wrote unit tests and alternative solutions for complex algorithm tasks to validate expected behavior and strengthen training quality. • Generated 1000+ code prompts and completions • Performed prompt-completion evaluation and response QA • Developed unit tests and alternative solutions for edge cases • Ensured cross-team consistency in annotation outputs

2023 - 2025

STEM Reasoning & Math QA Specialist (Freelance, Remote)

OtherTextQuestion Answering

Designed advanced STEM multiple-choice questions covering calculus, linear algebra, and statistics for use in reasoning and QA workflows. Evaluated mathematical explanations produced by LLMs to verify clarity, correctness, and alignment with expected logic. Developed logic puzzles and word problems to support benchmark datasets and reasoning evaluation. • Authored domain questions for model reasoning tasks • Performed LLM explanation QA and correction verification • Created logic puzzles and word problems for benchmarking • Ensured domain accuracy and clarity for training inputs

2022 - 2025

Data Labeling & QA Specialist (Remotasks/Scale AI, Remote)

OtherImage

Annotated images, videos, and documents for training AI models supporting autonomous driving and chat-related systems. Followed project-specific guidelines and participated in reviews and test launches to align labeling quality across runs. Tagged thousands of data points with high precision under strict deadlines to produce reliable training inputs. • Labeled images/videos/documents for model training • Applied project guidelines and participated in QA reviews • Tagged thousands of data points with precision • Supported test launches and dataset readiness checks

2021 - 2024

Education

Work History