Chenxin Lyu

Experience

Professional work

Experience in quantitative research, data analysis, financial risk, and the evaluation of mathematical reasoning in AI systems.

Sep 2026–Present
Remote · Part-time

Mercor

Mathematics Expert — AI Training & Evaluation

  • Translate research papers in mathematics and computational finance into self-contained LLM benchmarks with reference solutions, grading rubrics, and source-grounded reasoning requirements.
  • Build Python oracle implementations, numerical edge-case tests, and multi-stage integration tests; use repeated calibration runs to refine benchmark difficulty and reliability.

May–Aug 2021
Hong Kong

AQUMON

Quantitative Research Intern

  • Used Python and SQL to research and backtest systematic equity and ETF strategies, comparing candidate datasets, quantitative models, and factor-based portfolio methods.
  • Built a reusable strategy-research package and automated daily market-data pipelines, performance reporting, and operational workflows.

Jun–Aug 2020
Beijing

Deloitte

Risk Management Assistant

  • Extracted and validated Bloomberg market and accounting data, reconciling inputs across financial datasets.
  • Prepared analysis-ready data for financial-risk assessment and scenario stress-testing models.
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