Connor Lehmann
@connorlehmann
I’m a derivatives & commodities trader and AI training data expert for finance-grade evaluation.
United StatesWhat I'm looking for
I’m an Economics graduate with 4+ years of derivatives trading experience across equity indices and commodities, combining options pricing, hedging strategies, and risk mitigation with strong trade execution instincts.
In parallel, I evaluate and improve AI training quality for financial and consumer domains—authored complex prompts and 15–40 criterion rubrics, designed multimodal scenarios, and drove source-grounded, binary-gradeable evaluation through peer review cycles.
I also bring an audit background in risk assessment and controls review, including compliance and fraud risk investigations, which I apply directly to creating evaluation rubrics, verifying multi-source research, and improving AI model accuracy.
Experience
Work history, roles, and key accomplishments
Remote Domain Expert
Mercor
Dec 2025 - Present (5 months)
Authored complex financial analysis prompts and 15–40 criterion evaluation rubrics for frontier AI training in derivatives and institutional trade execution. Built multimodal prompts combining intraday chart analysis with trade execution scenarios and iterated through peer review to meet quality standards.
AI Training Data Specialist
Mercor
Dec 2025 - Present (5 months)
Audited and revised consumer deep-research AI training tasks, achieving a 100% approval rate (29 of 29 tasks approved, 0 defected). Designed rubric-based evaluation with 8–20 criteria per task and verified multi-source claims (5+ domains) using automated and human review processes.
Derivatives & Commodities Trader
Self-Employed
Aug 2020 - Present (5 years 9 months)
Traded options and multi-leg derivative structures across S&P 500 and NASDAQ indices and gold/commodity markets, applying options pricing and Greeks to support decision-making. Identified market inefficiencies using technical analysis and scenario-based evaluation while hedging portfolio risk and adjusting positions based on macroeconomic developments.
Staff II Auditor
Barbacane, Thornton & Company
Jun 2024 - Dec 2024 (6 months)
Performed compliance and risk-focused audits for charter schools, nonprofits, and municipalities across 20+ fiscal year-end audits. Conducted single audits and fraud risk investigations to verify proper fund usage and identify and escalate potential compliance issues.
eBanking Support Specialist Intern
WSFS Bank
Jun 2023 - May 2024 (11 months)
Supported eBanking onboarding and account setup, maintaining accurate records while building online banking profiles and services for 300+ businesses and individuals. Ensured policy adherence for onboarding, service additions, and technical support, and created standardized templates to streamline internal processes.
Cash Connect Intern
WSFS Bank
Jun 2022 - Aug 2022 (2 months)
Conducted compliance audits of ATM operations at 200+ locations, verifying adherence to internal controls. Created and corrected data entries in Microsoft SharePoint and Power Apps to ensure accurate recordkeeping and coordination with team members.
Education
Degrees, certifications, and relevant coursework
University of Delaware (Alfred Lerner College)
Bachelor of Science, Economics
Grade: 3.74/4.00
Activities and societies: UD Honors Program; World Scholars Program (John Cabot University, Rome).
Earned a Bachelor of Science in Economics from the Alfred Lerner College of Business & Economics, completed May 2024, with honors recognition.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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