For employers

Hire this AI Trainer

Sign in or create an account to invite AI Trainers to your job.

Invite to Job
Harriet Laker

Harriet Laker

AI Training Specialist | Travel Logistics & Reservations Domain Expert

UGANDA flag
Kampala, Uganda
$20.00/hrEntry LevelInternal Proprietary Tooling

Key Skills

Software

Internal/Proprietary Tooling

Top Subject Matter

No subject matter listed

Top Data Types

TextText

Top Label Types

RLHF
Evaluation Rating
Prompt Response Writing SFT

Freelancer Overview

I am an experienced AI Trainer and RLHF specialist with a strong background in data labeling, annotation, and training data creation for NLP models. Over the past three years, I have worked extensively on evaluating and refining large language models, ensuring outputs are accurate, safe, and aligned with professional business standards. My expertise includes prompt and instruction engineering, technical writing, structured data extraction from complex documents, and administrative modeling for workflow optimization. I am skilled in using tools like Google Workspace, MS Office, Trello, Asana, and various AI writing and editing platforms. My work spans domains such as office administration, client communications, and financial documentation, where I consistently deliver high-quality training datasets and actionable feedback to improve model performance. I am committed to upholding accuracy and integrity in every project, leveraging both my technical and domain knowledge to drive impactful results in AI development.

Entry LevelEnglish

Labeling Experience

AI Alignment for travel logistics and global reservations

Internal Proprietary ToolingTextRLHFEvaluation Rating
In this project, I leverage my domain expertise as a Travel and Reservations specialist to train Large Language Models (LLMs) in managing complex logistics, ticketing, and customer itineraries. I focus on fine-tuning AI to handle real-world travel scenarios with high precision and professional empathy. Key responsibilities include: Itinerary Verification: Evaluating AI-generated travel plans for logical consistency, geographic accuracy, and timing feasibility. Ticketing & Policy Compliance: Training models to interpret complex cancellation policies, fare rules, and transportation regulations to provide accurate user support. Reservation Simulation: Modeling multi-turn dialogues for booking flights, accommodations, and ground transportation, ensuring the AI maintains a helpful and professional tone. RLHF & Error Detection: Identifying and correcting model 'hallucinations' related to travel routes, pricing, and service availability.

In this project, I leverage my domain expertise as a Travel and Reservations specialist to train Large Language Models (LLMs) in managing complex logistics, ticketing, and customer itineraries. I focus on fine-tuning AI to handle real-world travel scenarios with high precision and professional empathy. Key responsibilities include: Itinerary Verification: Evaluating AI-generated travel plans for logical consistency, geographic accuracy, and timing feasibility. Ticketing & Policy Compliance: Training models to interpret complex cancellation policies, fare rules, and transportation regulations to provide accurate user support. Reservation Simulation: Modeling multi-turn dialogues for booking flights, accommodations, and ground transportation, ensuring the AI maintains a helpful and professional tone. RLHF & Error Detection: Identifying and correcting model 'hallucinations' related to travel routes, pricing, and service availability.

2025

Education

M

micro1

Certificate in Remote Content Writing and Virtual Assistance, Content Writing and Virtual Assistance

Certificate in Remote Content Writing and Virtual Assistance
2025 - 2025
A

ALX Africa

Certificate in AI Career Essentials and AI Starter Kit, Artificial Intelligence

Certificate in AI Career Essentials and AI Starter Kit
2024 - 2025

Work History

F

Freelance

Creative Content Writer & Virtual Assistant

Kampala
2022 - Present
G

Gazelle Safaris Africa

Travel Operations & Client Experience Specialist

Kampala
2024 - 2025