Quant Developer (KDB+/Python)

HCL Global Systems, Inc.

$130K — $180K *
Finance & Insurance
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Mathematics, Computer Science, Engineering, or a related field.
  • 10+ years in quantitative finance or trading systems development.
  • Expertise in KDB+/q, including time-series modeling and analytics.
  • Proficient in Python for quantitative analysis and AI/ML model development.
  • Experience with large-scale datasets, especially high-frequency trading data.

Responsibilities

  • Design and optimize KDB+ databases for high-volume trading systems.
  • Develop Python-based AI and quantitative models for market predictions.
  • Apply machine learning techniques to time-series data for performance improvement.
  • Build research frameworks integrating AI models with historical data for backtesting.
  • Translate machine learning research into production-grade systems.
  • Integrate AI models into real-time and batch processing pipelines.
  • Collaborate with quants and engineers on model deployment and monitoring.

Benefits

  • Mentorship opportunities from industry leaders.
  • Dynamic and innovative work environment focusing on cutting-edge technology.
  • Contributions to critical trading infrastructure that impacts the market.
  • Collaboration with experts in quantitative finance and AI.
Full Job Description
The Role
We are seeking a highly experienced Software Engineer to lead the design and development of next-generation trading systems. This is a hands-on technical leadership role focused on building scalable, resilient, and high-performance trading infrastructure. You'll collaborate across teams, mentor engineers, and drive innovation in a mission-critical environment.
  • Design, develop, and optimize KDB+ databases and q analytics for high-volume trading and market data.
  • Develop Python-based AI and quantitative models for research, prediction, classification, and signal generation.
  • Apply machine learning techniques to time-series data (feature engineering, model training, evaluation).
  • Build research and backtesting frameworks integrating AI models with historical data.
  • Translate quantitative and machine learning research into robust, production-ready systems.
  • Integrate AI models into real-time and batch pipelines.
  • Optimize analytics and model evaluation for performance, stability, and scalability.
  • Collaborate with quants, product owners, and engineering teams on model deployment and monitoring.

The Expertise You Have
  • Bachelor's degree in Mathematics, Computer Science, Engineering, Information Technology, or equivalent.
  • 10+ years of professional experience in quantitative finance or trading systems.
  • Advanced proficiency in KDB+/q, including:
    • Time-series data modeling
    • High-performance querying and joins
    • Real-time and historical analytics
  • Strong Python skills for:
    • Quantitative analysis
    • AI/ML model development
    • Integration with KDB+ and downstream systems
  • Experience working with large-scale, high-frequency, or noisy datasets.
  • Strong software engineering practices including Git, testing, and modular design.
  • Experience working with AI developer assistance tools (e.g., GitHub Copilot).
  • Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy.
  • Hands-on experience with AWS or other cloud platforms.
  • Familiarity with object-oriented programming languages such as Java.
  • Experience with Linux, shell scripting, and production support.

The Skills You Bring
  • Strong quantitative mindset with practical AI application skills.
  • Ability to bridge research, machine learning, and production systems.
  • Comfort working on front-office or research-critical infrastructure.
  • Clear communication skills with quants, traders, and engineers.
  • Willingness to support production systems and participate in on-call rotations, including occasional weekend support.

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