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L

Lukas Hewitson

AI Training Contributor | Outlier AI · CrowdGen (Appen)

Canada flagFredericton, Canada
$39.00/hrIntermediateOtherAppen

Key Skills

Software

Other
AppenAppen

Top Subject Matter

Large Language Model (LLM) Training
Prompt Engineering
Bilingual QA (EN/FR)

Top Data Types

TextText
DocumentDocument
AudioAudio

Top Task Types

RLHFRLHF
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating

Freelancer Overview

AI Training Contributor | Outlier AI · CrowdGen (Appen). Brings 5+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Business Administration, University of New Brunswick (2024) and Diploma of Technology, Management, and Entrepreneurship, University of New Brunswick (2024). AI-training focus includes data types such as Text and labeling workflows including RLHF.

IntermediateEnglishFrench

Labeling Experience

AI Training Contributor

OtherTextRLHF
Contributed as a prompt and scenario author for LLM training projects on Outlier AI and CrowdGen. Generated, reviewed, and refined multi-turn tasks, long-form reasoning, and professional-context writing samples in English and French. Evaluated model outputs for factual accuracy, tone, and consistency, rewriting rubrics to improve reviewer alignment. • Authored scenario-based prompts and curated complex, real-world tasks targeting advanced model capabilities. • Conducted bilingual QA and performed rubric and instruction evaluations as part of the review cycle. • Worked in custom structured annotation platforms and read/edited JSON directly for specialized tasks. • Participated in invitation-only pilot programs due to consistently high performance and accurate evaluations.

Contributed as a prompt and scenario author for LLM training projects on Outlier AI and CrowdGen. Generated, reviewed, and refined multi-turn tasks, long-form reasoning, and professional-context writing samples in English and French. Evaluated model outputs for factual accuracy, tone, and consistency, rewriting rubrics to improve reviewer alignment. • Authored scenario-based prompts and curated complex, real-world tasks targeting advanced model capabilities. • Conducted bilingual QA and performed rubric and instruction evaluations as part of the review cycle. • Worked in custom structured annotation platforms and read/edited JSON directly for specialized tasks. • Participated in invitation-only pilot programs due to consistently high performance and accurate evaluations.

2024 - Present

Education

U

University of New Brunswick

Diploma of Technology, Management, and Entrepreneurship, Technology, Management, and Entrepreneurship

Diploma of Technology, Management, and Entrepreneurship
2020 - 2024
U

University of New Brunswick

Bachelor of Business Administration, Business Administration

Bachelor of Business Administration
2020 - 2024

Work History

N

NB Department of Transportation and Infrastructure

Internal Communications Coordinator / AI Lead

Fredericton
2025 - Present
H

Holland Power Services

Project Coordinator

Fredericton
2022 - 2025