Hybrid Quant Dev: AI & C++ for Live Trading

NJF Global Holdings Ltd; New York (NY); On-site; USD 250,000 - 300,000; Full time

Job summary

NJF Global Holdings Ltd in New York is seeking a Quantitative Developer to bridge AI research and production-grade C++ engineering, applying models directly to live markets with real P&L impact.

You will design and train predictive models, implement ideas in high-performance production code, and collaborate with engineers and researchers in a flat, autonomous environment. Exceptional compensation reflects the calibre of the work and results.

Qualifications

• Strong academic background in a quantitative discipline, mathematics, statistics, physics, computer science, or related field.
• Deep proficiency in C++ with a track record of writing high performance, production grade code.
• Hands on experience in machine learning, deep learning, or statistical modelling applied to real world problems.
• A research mindset combined with genuine engineering rigour, someone who can own an idea end to end.
• Prior experience in systematic trading, quantitative finance, or high performance computing is a strong plus.
• Low ego, collaborative, and comfortable operating with significant autonomy.

Responsibilities

• Designing, training, and refining predictive models used directly in live trading strategies, from signal generation through to production deployment
• Implementing research ideas in high performance, production quality C++, taking ideas from concept through to live systems with real P&L impact
• Working on model fitting, optimisation, and calibration problems at scale, pushing on generalisation, robustness, and signal quality
• Building and improving the research and simulation infrastructure that underpins the firm's alpha generation capabilities
• Partnering closely with core engineers and researchers in a highly collaborative, flat structured environment where the best ideas win

Skills

C++ high performance

Machine learning

Statistics

Research mindset

Autonomy

Collaboration

Education

Quantitative discipline

Job description

NJF Global Holdings Ltd in New York is seeking a Quantitative Developer to bridge AI research and production-grade C++ engineering, applying models directly to live markets with real P&L impact.

You will design and train predictive models, implement ideas in high-performance production code, and collaborate with engineers and researchers in a flat, autonomous environment. Exceptional compensation reflects the calibre of the work and results.