Kevin H.

Key Skills

Software

Mercor

Other

Top Subject Matter

LLM evaluation and fine-tuning quality assurance

Algorithmic trading automation for model/logic evaluation

Computational social science data preparation and documentation

Top Data Types

Text

Document

Top Task Types

Data Collection

Freelancer Overview

Senior Domain Expert | Mercor Intelligence. Brings 9+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Mercor and Other. Education includes Doctoral Level Training, Northeastern University (2024) and Master of Arts, Northeastern University (2020). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Evaluation, Rating, and Computer Programming.

Labeling Experience

Senior Domain Expert | Mercor Intelligence

MercorText

Provided high-level data science expertise to fine-tune LLMs for an AI research laboratory. Evaluated and resolved complex model output errors across multiple artifact types, ensuring accurate fulfillment of technical user requests. Performed hundreds of specialized review tasks focused on identifying subtle visual and logical discrepancies within model responses and supporting materials. • Error analysis and quality assurance of LLM outputs • Precision checking across spreadsheets, image artifacts, and slide/visual representations • Training support via iterative evaluation of model behavior • Task execution to detect subtle logical/visual mismatches

2025 - Present

AI Quantitative Trader & Developer | Independent

Other

Developed and deployed an automated 0DTE SPY trading system using intraday algorithm identification and liquidity zone analysis. Built and maintained an automated trading infrastructure integrating multiple APIs and execution components to translate strategy logic into production behavior. While not classic labeling, the work involved systematic creation of evaluable logic and discrepancy handling for live trading automation. • Engineered strategy logic for automated execution • Integrated TradingView MCP with real-time options chain data • Implemented a custom execution engine using the Alpaca Trading API • Managed end-to-end development lifecycle from strategy to deployment

2024 - Present

Graduate Research Assistant | Northeastern University

OtherDocumentData Collection

Conducted mixed-methods research and managed longitudinal datasets for studies on immigrant healthcare access and disparities. Designed survey instruments and semi-structured interview protocols, then analyzed results using statistical and qualitative tools. Developed and maintained codebooks and data documentation protocols to preserve dataset integrity for downstream analysis. • Research data preparation and documentation via codebooks • Design of survey and interview collection instruments • Longitudinal dataset analysis using R/SPSS/NVivo • Data integrity workflows for long-term reuse

2018 - 2024

Education

Work History