Jobs · Engineering

Quant Research Engineer, Derived Data Products

Polygon.io · United States · 5 mo ago
RemoteRemoteEngineeringFull-time

Responsibilities

  • Identify high-value derived datasets by understanding how quants, researchers, and data scientists use market data in their workflows.
  • Design and specify quantitative methodologies for new datasets—from statistical assumptions to signal construction to edge-case handling.
  • Prototype algorithms using Python or SQL to validate correctness and performance on large datasets.
  • Build and document rigorous methodology definitions that customers trust and internal teams can implement.
  • Develop robust approaches for data cleaning, normalization, smoothing, interpolation, and event alignment.
  • Work directly with raw market microstructure data (trades/quotes/order books) to derive stable, actionable metrics.
  • Conduct backtests, stress tests, and statistical validation to ensure each dataset behaves as intended.

Skills & Qualifications

  • Strong quantitative background (math, statistics, physics, CS, engineering, or related field).
  • Deep understanding of market data structure and microstructure: trades, quotes, NBBO, order book dynamics, price formation, volatility, liquidity.
  • Fluency in designing statistical and algorithmic transformations of time-series data.
  • Ability to break down noisy real-world data and rebuild reliable, stable, well-defined derived metrics.
  • Comfort writing Python, SQL, and simple scripts for prototyping and testing (AI can assist; your domain judgment is what matters).
  • Ability to clearly articulate assumptions, methodology, and edge-case behavior in writing.
  • Experience in quantitative research or dataset creation at a market data provider, asset manager, hedge fund, or trading firm is a plus.
  • Familiarity with smoothing filters, microstructure noise models, interpolation schemes, Bayesian methods, or factor construction is a plus.
  • Experience working with large-scale tick data or historical market datasets is a plus.
  • Exposure to production engineering concepts (PRs, CI, code review), though deep engineering expertise is not required.

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