Quant Data Engineer

Overview

As a Quantitative Data Engineer at BestEx Research's Bengaluru office, you will help build and maintain the core data ecosystem for algorithmic trading, handling tick-by-tick market data and execution logs.

What you'll do

• Design, build, and optimize high-throughput data pipelines using Python, R, and PostgreSQL to handle market and execution data.
• Build and manage robust, scheduled data workflows using tools like Airflow/Dagster to ensure 24/7 data availability for global markets.
• Monitor pipeline health, debug data discrepancies in logs, and implement automated data-quality checks.
• Build and maintain REST API-based applications to serve analytics and performance metrics to internal trading systems and external client interfaces.
• Partner with Senior Quants and Product Managers to translate complex TCA research into production-grade features and custom client analyses.

What you'll need

• 1 to 4 years of experience.
• A highly motivated self-starter mindset with the ability to take end-to-end ownership of data products.
• BTech/MTech in Computer Science, Data Science, Statistics or a related quantitative field.
• Expert in Python (NumPy, Pandas, Polars, Multiprocessing etc) and advanced PostgreSQL (complex joins, window functions, and query optimization).
• Hands-on experience building and orchestrating pipelines (e.g., Airflow, Dagster, Prefect).
• Strong foundation in applied statistics.
• Ability to form hypotheses, analyze idiosyncratic order flow, and validate results with statistical significance.
• Ability to translate complex technical or statistical findings into clear insights for Senior Quants and clients.
• Strong analytical problem-solving skills.
• Good communication skills.

Nice to have

• Experience building REST APIs (FastAPI, Django) to serve data at scale.
• Exposure to C++ or low-latency environment concepts.
• Familiarity with R for research and visualization.
• Prior experience in fintech, electronic trading, or a data-heavy research environment is highly valued.
• Exposure to ML.
• Exposure to AI is a big plus.

Details

• Location: Bengaluru, Karnataka, India (Prestige Tech Park, Outer Ring Road, Marathahalli Road, Bangalore).
• Competitive compensation in India, including equity and cash bonuses.