Demo

Quant Developer

Eliassen Group
Jersey, NJ Contractor
POSTED ON 8/3/2026
AVAILABLE BEFORE 9/25/2026
Description

On-site in Jersey City, NJ

Our client seeks a senior software engineer to lead design and development of next-generation electronic trading systems and data infrastructure. The role requires hands-on leadership building scalable, resilient, and high-performance platforms for capital markets, with emphasis on KDB /q, Python, and AI/ML applied to time-series data. You will collaborate across quant, product, and engineering teams, mentor peers, and deliver robust production systems that support research, backtesting, and real-time trading workflows.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $80.00 to $90.00/hr. w2

JN -052026-107108

Responsibilities

  • Lead design and development of low-latency, high-throughput trading systems and workflows.
  • Design, develop, and optimize KDB /q databases and analytics for high-volume market data.
  • Develop Python-based AI and quantitative models for research, prediction, classification, and signal generation.
  • Apply machine learning techniques to time-series data including feature engineering, model training, and evaluation.
  • Build research and backtesting frameworks integrating AI models with historical data.
  • Translate quantitative and ML research into production-ready, resilient 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 on deployment and monitoring.
  • Support production systems and participate in on-call rotations, including occasional weekend support.

Experience Requirements

  • 10 years of professional experience in quantitative finance or trading systems.
  • Advanced proficiency with KDB /q for time-series modeling, high-performance querying, and real-time and historical analytics.
  • Strong Python for quantitative analysis, AI/ML model development, and integration with KDB and downstream systems.
  • Experience with large-scale, high-frequency, or noisy datasets.
  • Solid software engineering practices including Git, testing, and modular design.
  • Experience with AI developer assist tools such as 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 Java or other object-oriented languages.
  • Experience with Linux, shell scripting, and production support.
  • Clear communication with quants, traders, and engineers.

Education Requirements

  • Bachelor’s degree in Mathematics, Computer Science, Engineering, Information Technology, or equivalent.

Salary : $80 - $90

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