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Stephen Dicapua

Stephen Dicapua

AI Data Annotation and Prompt Engineering Specialist

USA flagNew York, Usa
$30.00/hrIntermediateClickworkerCloudfactoryData Annotation Tech

Key Skills

Software

ClickworkerClickworker
CloudFactoryCloudFactory
Data Annotation TechData Annotation Tech
DatatureDatature
Google Cloud Vertex AIGoogle Cloud Vertex AI
LabelboxLabelbox
LionbridgeLionbridge
MercorMercor
Micro1
MindriftMindrift
OneFormaOneForma
OpenCV AI Kit (OAK)OpenCV AI Kit (OAK)
RemotasksRemotasks
Scale AIScale AI
Surge AISurge AI
TolokaToloka
TelusTelus
Other

Top Subject Matter

AI Model Training and Evaluation
Economics/Finance/Real Estate
Geography, Economic Geography

Top Data Types

TextText
ImageImage
DocumentDocument

Top Task Types

Bounding BoxBounding Box
SegmentationSegmentation
ClassificationClassification
Entity (NER) ClassificationEntity (NER) Classification
Object DetectionObject Detection
Text GenerationText Generation
Question AnsweringQuestion Answering
Text SummarizationText Summarization
RLHFRLHF
Fine-tuningFine-tuning
Red TeamingRed Teaming
TranscriptionTranscription
Evaluation/RatingEvaluation/Rating
Data CollectionData Collection
Prompt + Response Writing (SFT)Prompt + Response Writing (SFT)
Function CallingFunction Calling

Freelancer Overview

AI Data Annotation and Prompt Engineering Specialist. Brings 10+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Internal and Proprietary Tooling. Education includes Bachelor of Arts, University of Connecticut (2014). AI-training focus includes data types such as Text and labeling workflows including Evaluation and Rating.

IntermediateEnglish

Labeling Experience

AI Data Annotation and Prompt Engineering Specialist

Text
I have gained extensive hands-on experience in prompt engineering, data annotation, and model refinement across multiple AI platforms. My responsibilities included advanced prompt development with chain-of-thought reasoning, structured response evaluation, and ground truth formatting. Consistently maintained over 98% accuracy across all annotation and evaluation tasks. • Performed high-volume response evaluation for AI models • Executed structured data annotation and map search relevance rating • Developed and tested prompts using complex reasoning techniques • Contributed to model red teaming and final answer validation.

I have gained extensive hands-on experience in prompt engineering, data annotation, and model refinement across multiple AI platforms. My responsibilities included advanced prompt development with chain-of-thought reasoning, structured response evaluation, and ground truth formatting. Consistently maintained over 98% accuracy across all annotation and evaluation tasks. • Performed high-volume response evaluation for AI models • Executed structured data annotation and map search relevance rating • Developed and tested prompts using complex reasoning techniques • Contributed to model red teaming and final answer validation.

2024 - Present

AI Evaluator/Analyst

TextRed Teaming
Create and adjust GTFA prompts until the model was stumped.

Create and adjust GTFA prompts until the model was stumped.

2025 - 2026

AI Evaluator/Analyst

Geospatial Tiled ImageryRLHF
Rate user map query results based on various factors.

Rate user map query results based on various factors.

2025 - 2026

AI Evaluator/Analyst

TextPrompt Response Writing SFT
Write GTFA (Ground Truth Final Answer) economics prompts with various requirements (i.e AI must use web look up tool to solve) and evaluate multiple responses.

Write GTFA (Ground Truth Final Answer) economics prompts with various requirements (i.e AI must use web look up tool to solve) and evaluate multiple responses.

2025 - 2026

AI Evaluator/Analyst

ImageBounding Box
Place bounding boxes around all interactive/clickable places on various user interfaces.

Place bounding boxes around all interactive/clickable places on various user interfaces.

2025 - 2026

Education

U

University of Connecticut

Bachelor of Arts, Economics

Bachelor of Arts
2010 - 2014

Work History

I

Independent (Freelance/Contractor for various platforms)

AI Evaluator/Analyst/Prompt Engineer

Branford
2025 - Present
N

Newmark

Team Leader, Commercial Real Estate Appraiser

New York
2020 - 2025