Daniel D.

Key Skills

Software

Scale AI

Appen

AWS SageMaker

Axiom AI

Clickworker

Top Subject Matter

Large language model (LLM) fine-tuning

Rlhf Domain Expertise

model evaluation

Top Data Types

Image

Document

Video

Top Task Types

RLHF

Question Answering

Freelancer Overview

AI Data Trainer & Annotator | Outlier AI (Remote). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Outlier AI, Scale AI, and N. Education includes Bachelor of Science, Makerere University (2020). AI-training focus includes data types such as Text and labeling workflows including RLHF, Entity (NER), and Question Answering.

Labeling Experience

AI Data Trainer & Annotator | Outlier AI (Remote)

TextRLHF

Served as an AI Data Trainer and Annotator, producing labeled datasets and high-quality quality checks for LLM fine-tuning tasks. Provided comparative human-style feedback on AI-generated outputs to support RLHF pipelines and improve response quality. Built and applied annotation guidelines while identifying edge cases and model errors to inform iterative retraining decisions. • Annotated and quality-checked 10,000+ text/code/reasoning samples for LLM fine-tuning • Delivered structured comparative feedback for RLHF to improve response quality by ~18% • Developed annotation guidelines and style guides adopted by 12 annotators • Reported edge cases and systematic errors; collaborated to refine HHH evaluation rubrics

2023 - Present

Data Annotation Specialist | Freelance / Scale AI

Scale AIText

Worked as a Data Annotation Specialist performing NLP data labeling across multiple classification and extraction tasks. Maintained high-quality labeling performance, conducted quality reviews, and mentored junior annotators to ensure consistent outputs. Applied education and tutoring domain knowledge to annotate reasoning and explanatory content suitable for downstream ML development. • Completed sentiment analysis, NER, intent classification, and dialogue summarization annotation • Maintained ~97% quality score across 200+ projects while exceeding platform benchmarks • Trained and mentored 5 junior annotators; supported quality review and feedback loops • Labeled math reasoning and science explanation datasets using subject-matter knowledge

2021 - 2022

Private Tutor – STEM & Digital Literacy | Self-Employed

TextQuestion Answering

Provided private STEM and digital literacy tutoring that supported AI learning workflows through structured teaching and prompt/tool introduction. Created lesson plans and assessments aligned with instructional design practices that translate to AI training and evaluation contexts. Delivered guidance on AI capabilities and limitations to foster critical reasoning in learners. • Designed structured lesson plans and assessments for mathematics, CS fundamentals, and digital literacy • Introduced students to AI tools and prompt techniques to practice question/response reasoning • Supported secondary and university-level learning with tailored explanations • Enhanced communication and curriculum design skills relevant to AI training workflows

2020 - 2021

Education

Work History