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Quantitative Researcher

Job in 400001, Mumbai, Maharashtra, India
Listing for: Confidential
Part Time, Apprenticeship/Internship position
Listed on 2026-01-13
Job specializations:
  • Research/Development
    Data Scientist
  • IT/Tech
    Data Scientist, Data Analyst, Machine Learning/ ML Engineer
Job Description & How to Apply Below
Quantitative Research Intern (Part-Time, Hybrid — Mumbai)  Company:  Grey Oak Capital Intelligence
Role:  Quantitative Research Intern (Part-Time)

Location:

Mumbai – Fort (Hybrid)
Work Mode:  1 day/week in-office (Mumbai) + 7–10 hours/week remote
Duration:  3 months (extendable based on performance & mutual fit)
Start:  Immediate / As mutually agreed

Role Overview You will work closely with the Founder on quantitative research and product development for equity-focused research systems. This is a  hands-on research role  focused on experimentation, validation, and improving research quality—rather than slide decks, reporting, or passive analysis.
You will collaborate with  in-house quantitative and backend engineering team members  on research brainstorming, model design, and system-level thinking. The role involves cross-functional discussion between  quant research and backend implementation , ensuring research ideas are practical, scalable, and production-aware.

Key Responsibilities  Research and test quantitative ideas for Indian equities, including signals, filters, ranking logic, and regime/risk checks.
Build and validate backtests with strong time-series discipline (no look-ahead bias, realistic assumptions).
Perform feature engineering and support applied machine learning experiments (classification and regression).
Conduct robustness checks such as out-of-sample testing, ablation studies, and failure-mode analysis.
Improve research pipelines for clarity, speed, and reliability using clean, modular Python code.
Maintain clear and structured research documentation: hypothesis → method → results → conclusion.
Must-Have Skills  Strong Python skills (pandas, numpy, scipy) with the ability to write clean, testable research code.
Solid grounding in statistics, probability, and time-series analysis.
Understanding of backtesting methodology, evaluation metrics, and overfitting control.
Basic applied ML knowledge, including feature design, validation, and model selection.
Ability to work independently and communicate research findings clearly.
Good-to-Have (Plus)  Familiarity with Indian equity markets and real-world trading constraints.

Experience with XGBoost, Light

GBM, Cat Boost, or factor-based research.
Exposure to portfolio risk metrics, SQL, Git, or basic data engineering workflows.
Ideal Candidate Profile Someone with a strong  quantitative or financial-engineering mindset , comfortable with research ambiguity, experimentation, and iterative model improvement—similar to profiles in quantitative research, financial engineering, or applied machine learning.
Confidentiality This role involves proprietary research.  NDA and strict confidentiality are mandatory.

How to Apply

Please email  [HIDDEN TEXT]
with:
Your resume (and Git Hub or research code links, if available)
2–3 bullets describing your best quantitative work (strategy, model, backtest, or risk project)
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