Joshua Z.

Key Skills

Software

Other

Appen

Data Annotation Tech

iMerit

Micro1

CVAT

Google Cloud Vertex AI

HiveMind

Labelbox

Supervisely

Top Subject Matter

Business and general-purpose AI model training (prompt/response evaluation, RL feedback).

Language model training data annotation (prompt/response evaluation, ranking).

Human-in-the-loop labeling and evaluation for LLMs (business workflow simulations, SFT-style labeling).

Top Data Types

Text

Image

Video

Top Task Types

RLHF

Prompt + Response Writing (SFT)

Segmentation

Object Detection

Text Generation

Transcription

Evaluation/Rating

Freelancer Overview

AI Training & Data Labeling Specialist — Handshake AI (Remote). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Master of Science in Business Analytics, Texas A&M University Mays Business School (2023) and Bachelor of Business Administration, The University of Texas at Austin McCombs School of Business (2021). AI-training focus includes data types such as Text and labeling workflows including RLHF, Evaluation, and Rating.

Labeling Experience

AI Training & Data Labeling Specialist — Handshake AI (Remote)

OtherTextRLHF

Provided evaluation and training feedback for AI responses in support of reinforcement learning workflows. Created and refined labeled datasets for RL training by assessing accuracy, reasoning quality, and contextual relevance. Flagged hallucinations and logical inconsistencies and produced written feedback to improve model performance and reliability. • Evaluated AI-generated responses for accuracy, reasoning quality, and contextual relevance • Created and refined training datasets for reinforcement learning workflows • Labeled and classified structured and unstructured business data for AI improvement • Identified hallucinations, incomplete outputs, and logical inconsistencies

2025 - Present

Data Annotation Specialist — DataAnnotation (Remote)

OtherTextPrompt + Response Writing (SFT)

Contributed to human-in-the-loop AI training through annotation and response evaluation activities. Transformed complex instructions into structured labeling outputs and evaluated AI performance across multi-step reasoning and business workflow simulations. Performed dataset quality assurance, including edge-case identification, while adhering to strict accuracy standards. • Annotated and evaluated responses for human-in-the-loop AI training • Analyzed complex instructions and produced structured labeling outputs • Evaluated AI performance in multi-step reasoning and business workflow simulations • Conducted quality assurance and identified edge cases

2024 - Present

AI Data Annotator — Outlier (Remote)

OtherText

Completed prompt and response annotation to support language model training and evaluation. Reviewed prompts and outputs across business, analytical, and communication-focused scenarios while enforcing consistency with detailed quality guidelines. Assisted in ranking model outputs to assess clarity, correctness, and reasoning quality. • Annotated and evaluated prompts and responses for language model training • Applied quality guidelines to ensure consistent and accurate annotations • Ranked model outputs based on clarity, correctness, and reasoning quality • Supported independent, remote, deadline-driven project work

2023 - Present

Education

Work History