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Esther Nyaboke

@esthernyaboke1

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AI data trainer specializing in annotation and model evaluation.

Germany

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What I'm looking for

I seek remote roles in AI data annotation or model evaluation where I can apply rigorous labeling, improve LLM accuracy, work collaboratively, and maintain ethical data practices while growing my technical expertise.

I am an analytical and detail-oriented AI Data Trainer with hands-on experience annotating and evaluating text and conversational datasets to improve large language model performance.

I have worked freelance across AI training, virtual assistance, and customer support, providing linguistic analysis, response ranking, and quality assurance to enhance factuality and coherence.

My background in research and nursing informs a rigorous, ethical approach to data handling and confidentiality, and I am proficient with tools such as ChatGPT, Notion, Airtable, Trello, Slack, Jira, Excel, and Google Sheets.

I am committed to clear documentation, collaborative communication with clients and cross-functional teams, and continuous improvement of annotation processes and model outcomes.

Experience

Work history, roles, and key accomplishments

Current

AI Data Trainer

Current

Freelance

Jan 2024 - Present (1 year 10 months)

Annotate and evaluate text and conversational datasets to train and fine-tune large language models, improving factuality and coherence through response ranking and documented QA processes.

Data Annotation Conversational Labeling Quality Assurance Excel Notion Airtable

Virtual Assistant & Research Specialist

Freelance

Jan 2022 - Jan 2024 (2 years)

Conducted in-depth research, structured data entry, transcription, and reporting to support AI, marketing, and operations while managing workflows in Notion, Airtable, and Excel and liaising with clients for timely deliverables.

Research Data Management Transcription Notion Airtable Excel Client Communication

Customer Support Executive

Health & Wellness Sector

Jan 2020 - Jan 2022 (2 years)

Provided empathetic chat and email support, gathered user data to improve automated responses, and collaborated with cross-functional teams to streamline digital support processes.