Quantitative Researcher

Job Summary:
Plutus21 is looking for a Quantitative Researcher to discover, test, and improve systematic alpha signals and portfolio construction for low-frequency equity strategies (typically daily to monthly horizons). This role is designed for exceptional quantitative thinkers coming from Physics, Mathematics, Statistics, Engineering, or other rigorous fields.
Location: Remote
Key Responsibilities:
Research and hypothesis generation:
Translate investment ideas into testable hypotheses with clear metrics and failure criteria
Build simple baselines first, then iterate toward stronger models only when justified
Data and features (research-grade)
Work with panel/time-series equity data and build features with strict as-of availability
Implement careful data checks (missingness, outliers, corporate actions, calendar alignment)
Evaluation and robustness:
Design validation protocols appropriate for time series (walk-forward, rolling windows, cross-sectional...